How long is the flight from Toronto to Washington, D.C. Dulles Intl Airport?

Airlines like Porter Airlines, Delta, and United Airlines fly from Toronto to Washington, D.C. Dulles Intl Airport in about 1h 29m. The time it takes to get you to your destination can typically vary by up to 3h 37m. The distance from Toronto to Washington, D.C. Dulles Intl Airport is about 546 km. This flight may include one or multiple stops.

What are the cheapest airlines flying from Toronto to Washington, D.C. Dulles Intl Airport round-trip?

Air Canada, at C$ 116, was found to be the cheapest airline from Toronto to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Porter Airlines and Air Transat. Air Canada is 69% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Toronto to Washington, D.C. Dulles Intl Airport one-way?

The cheapest airlines for a one-way flight from Toronto to Washington, D.C. Dulles Intl Airport are Porter Airlines (C$ 159), Air Canada (C$ 199), and United Airlines (C$ 204).

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

What are the cheapest flights from Toronto to Washington, D.C. Dulles Intl Airport?

On average you can expect to pay C$ 1,350 for a flight from Toronto to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is C$ 211 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at C$ 310.

What are the most reliable airlines from Toronto to Washington, D.C. Dulles Intl Airport?

Before booking your flight to Washington, D.C. Dulles Intl Airport from Toronto, check out the most reliable airlines to get you to your destination on time: Copa Airlines (83%), Republic Airways (83%), Avianca( 81%).

What are the most popular airlines that fly from Toronto to Washington, D.C. Dulles Intl Airport?

Air Canada, United Airlines and Porter Airlines are the most popular airlines when flying from Toronto to Washington, D.C. Dulles Intl Airport.

Can I find deals for flights from Toronto to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Toronto to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Toronto to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Dulles Intl.

Can I find deals for business class flights from Toronto to Dulles Intl?

Yes. Cheapflights offers flight deals from Toronto to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

C$ 174+ Cheap Flights from Toronto to Washington, D.C. Dulles Intl Airport

Cheapflights Tip: The best prices from Toronto to Washington, D.C. Dulles Intl are usually found in January or August, booked 35 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Toronto to Dulles Intl

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Toronto to Dulles Intl
Explore the most affordable flight options available from Toronto to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Sat 5/122:15 p.m. -

Nonstop1h 30m

Sat 12/129:55 a.m. -

Nonstop1h 27m

Deal found 8/10C$ 272

Wed 28/109:10 a.m. -

Nonstop1h 28m

Sat 31/1011:20 a.m. -

Nonstop1h 32m

Deal found 12/10C$ 277

Sat 5/129:10 a.m. -

Nonstop1h 30m

Sun 6/1211:20 a.m. -

Nonstop1h 30m

Deal found 9/10C$ 278

Fri 20/114:15 p.m. -

Nonstop1h 29m

Sun 22/116:25 p.m. -

Nonstop1h 30m

Deal found 11/10C$ 280

Thu 22/109:15 a.m. -

Nonstop1h 30m

Sun 25/1011:20 a.m. -

Nonstop1h 32m

Deal found 8/10C$ 281

Sat 5/122:15 p.m. -

Nonstop1h 30m

Sun 6/129:55 a.m. -

Nonstop1h 27m

Deal found 10/10C$ 282

Wed 25/119:10 a.m. -

Nonstop1h 29m

Wed 2/1211:20 a.m. -

Nonstop1h 30m

Deal found 11/10C$ 284

Sat 7/119:10 a.m. -

Nonstop1h 29m

Mon 9/116:25 p.m. -

Nonstop1h 30m

Deal found 9/10C$ 285

Sat 7/113:20 p.m. -

Nonstop1h 27m

Sat 14/115:20 p.m. -

Nonstop1h 37m

Deal found 9/10C$ 287

Tue 8/129:10 a.m. -

Nonstop1h 30m

Wed 9/1211:20 a.m. -

Nonstop1h 30m

Deal found 10/10C$ 288

Thu 29/109:10 a.m. -

Nonstop1h 28m

Sun 1/116:25 p.m. -

Nonstop1h 30m

Deal found 8/10C$ 290

Tue 27/109:10 a.m. -

Nonstop1h 28m

Mon 2/1111:20 a.m. -

Nonstop1h 30m

Deal found 12/10C$ 291

Best flights from Toronto to Dulles Intl
Discover carefully curated flight deals from Toronto to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Fri 20/114:15 p.m. -

Nonstop1h 29m

Sun 22/116:25 p.m. -

Nonstop1h 30m

Deal found 11/10C$ 280

Sat 7/116:10 p.m. -

1 stop5h 06m

Wed 11/116:20 p.m. -

1 stop4h 31m

Deal found 8/10C$ 322

Wed 25/117:44 p.m. -

Nonstop1h 42m

Fri 27/119:55 a.m. -

1 stop6h 51m

Deal found 12/10C$ 322

Fri 18/1210:00 a.m. -

Nonstop1h 50m

Sun 20/128:15 a.m. -

1 stop15h 44m

Deal found 10/10C$ 324

Tue 17/119:10 a.m. -

Nonstop1h 29m

Mon 23/116:25 p.m. -

Nonstop1h 30m

Deal found 8/10C$ 362

Mon 16/114:15 p.m. -

Nonstop1h 29m

Sat 21/1111:20 a.m. -

Nonstop1h 30m

Deal found 12/10C$ 288

Tue 17/116:00 a.m. -

1 stop4h 57m

Thu 19/116:00 a.m. -

1 stop7h 30m

Deal found 8/10C$ 322

Fri 30/107:26 p.m. -

1 stop5h 04m

Fri 27/115:15 p.m. -

Nonstop1h 46m

Deal found 12/10C$ 332

Thu 5/1110:53 a.m. -

1 stop6h 31m

Thu 12/119:55 a.m. -

1 stop4h 50m

Deal found 9/10C$ 344

Sat 14/119:10 a.m. -

Nonstop1h 29m

Sat 21/1111:20 a.m. -

Nonstop1h 30m

Deal found 8/10C$ 362

Wed 23/126:40 p.m. -

1 stop4h 41m

Tue 29/126:05 a.m. -

1 stop5h 43m

Deal found 8/10C$ 345

Wed 18/119:10 a.m. -

Nonstop1h 29m

Thu 19/1111:20 a.m. -

Nonstop1h 30m

Deal found 8/10C$ 362

Wed 4/117:44 p.m. -

Nonstop1h 42m

Sun 8/1110:10 p.m. -

Nonstop1h 42m

Deal found 12/10C$ 348

Fri 13/114:15 p.m. -

Nonstop1h 29m

Thu 19/1111:20 a.m. -

Nonstop1h 30m

Deal found 8/10C$ 362

Fri 25/127:44 p.m. -

Nonstop1h 44m

Tue 29/126:05 a.m. -

1 stop5h 43m

Deal found 11/10C$ 350

Sat 7/114:00 p.m. -

1 stop5h 08m

Mon 9/119:55 a.m. -

1 stop6h 01m

Deal found 11/10C$ 447

Fri 6/113:20 p.m. -

Nonstop1h 27m

Sat 14/1112:45 p.m. -

1 stop5h 00m

Deal found 10/10C$ 415

Mon 23/114:00 p.m. -

1 stop5h 08m

Mon 30/115:20 p.m. -

Nonstop1h 37m

Deal found 9/10C$ 422

Sat 14/114:00 p.m. -

1 stop5h 08m

Wed 18/115:20 p.m. -

Nonstop1h 37m

Deal found 11/10C$ 422

Tue 3/114:00 p.m. -

1 stop5h 08m

Fri 6/115:20 p.m. -

Nonstop1h 37m

Deal found 9/10C$ 422

Tue 17/1110:50 a.m. -

1 stop5h 41m

Thu 19/115:20 p.m. -

Nonstop1h 37m

Deal found 8/10C$ 424

Find flight deals from Toronto to Dulles Intl

Round-trip from	C$ 272
One-way from	C$ 174
Popular in	November
Cheapest in	January
Average price	C$ 388
Good round-trip deal	C$ 330 or less
Good one-way deal	C$ 195 or less

Air Canada
5/12-12/12
Nonstop
2h 57m total
Toronto to Washington, D.C.

Search Deals

Air Canada
11/11-31/12
Nonstop
1h 30m total
Toronto to Washington, D.C.

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Toronto (YTO) to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from Toronto (YTO) to Washington, D.C. Dulles Intl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Toronto to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoWashington, D.C.

YTZ Toronto Island - IAD Washington, D.C. Dulles Intl

YTZIAD

Toronto Island

Thu 26/11

9:10 a.m.-10:39 a.m.

Nonstop1h 29m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 191

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Tue 17/11

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 193

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Wed 28/10

2:45 p.m.-4:24 p.m.

Nonstop1h 39m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 193

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Tue 17/11

12:15 p.m.-4:26 p.m.

1 stop4h 11m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 203

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Fri 11/12

2:25 p.m.-11:23 p.m.

1 stop8h 58m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 203

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 26/11

12:15 p.m.-7:16 p.m.

1 stop7h 01m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 203

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Sun 22/11

12:15 p.m.-5:28 p.m.

1 stop5h 13m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 203

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Thu 5/11

6:00 a.m.-11:50 a.m.

1 stop5h 50m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 207

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Fri 4/12

7:44 p.m.-9:26 p.m.

Nonstop1h 42m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 213

TorontoWashington, D.C.

YYZ Toronto Pearson Intl - IAD Washington, D.C. Dulles Intl

YYZIAD

Toronto Pearson Intl

Sun 22/11

6:45 a.m.-1:28 p.m.

1 stop6h 43m

Washington, D.C. Dulles Intl

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 215

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 41 resultsSorted by cheapest first

...

Best time to book a flight from Toronto to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Toronto with our price prediction graph.

YTO-IAD

YYZ-IAD

YTZ-IAD

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Washington, D.C. Dulles Intl Airport

YTO-IAD

YYZ-IAD

YTZ-IAD

What is the cheapest month to book a flight from Toronto to Washington, D.C. Dulles Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Toronto to Washington, D.C. Dulles Intl Airport (average of C$ 367). Flying from Toronto to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YTO to IAD?

A simple way to save on the total cost of your ticket is to fly from Toronto to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

Weekly flight availability from Toronto to Washington, D.C. Dulles Intl Airport

The most flights from YTO to IAD are scheduled on a Friday (24 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (18 on average).

How much does it cost to fly round-trip from Toronto to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Toronto to Washington, D.C. Dulles Intl Airport flights typically cost between C$ 300 and C$ 618 in December.
The cheapest round-trip price found within the last 5 days was C$ 272 on Air Canada (5 Dec-12 Dec).

What’s the top layover airport for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Montreal (YUL) – chosen by Cheapflights users on 50% of one-stop itineraries from Toronto to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Ottawa (YOW) is the most affordable 1-stop option, with an average round-trip price of C$ 371.

What’s the fastest layover option from Toronto to Washington, D.C. Dulles Intl Airport?

Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 3h 52m.

Which airport typically offers the quickest layover for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Flights via Ottawa (YOW) offer the fastest connection on this route, with an average layover time of 1h 11m.

How often are flights from Toronto to Washington, D.C. delayed?

About 18% of weekly flights between Toronto and Washington, D.C. have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for Toronto to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to Washington, D.C. flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Toronto to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from Toronto to Washington, D.C. Dulles Intl Airport, you should look to book at least 34 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Toronto to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Toronto to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

The flight including check-in, checked baggage, boarding, flight and timing were great. My checked bag was delayed two days which was concerning. They did deliver it to my door though which was great.

Porter Airlines

8.0

Very good

468 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Transat

7.7

Good

583 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

United Airlines

7.4

Good

10,351 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Air Canada

7.1

Good

11,769 reviews

Porter Airlines

8.0

Very good

468 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

D,Sep 2026

YHM - YVR

Related info for your journey

How long is the flight from Toronto to Washington, D.C. Dulles Intl Airport?
Airlines like Porter Airlines, Delta, and United Airlines fly from Toronto to Washington, D.C. Dulles Intl Airport in about 1h 29m. The time it takes to get you to your destination can typically vary by up to 3h 37m. The distance from Toronto to Washington, D.C. Dulles Intl Airport is about 546 km. This flight may include one or multiple stops.
What are the cheapest airlines flying from Toronto to Washington, D.C. Dulles Intl Airport round-trip?
Air Canada, at C$ 116, was found to be the cheapest airline from Toronto to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Porter Airlines and Air Transat. Air Canada is 69% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Toronto to Washington, D.C. Dulles Intl Airport one-way?
The cheapest airlines for a one-way flight from Toronto to Washington, D.C. Dulles Intl Airport are Porter Airlines (C$ 159), Air Canada (C$ 199), and United Airlines (C$ 204).
What are the most reliable airlines from Toronto to Washington, D.C. Dulles Intl Airport?
Before booking your flight to Washington, D.C. Dulles Intl Airport from Toronto, check out the most reliable airlines to get you to your destination on time: Copa Airlines (83%), Republic Airways (83%), Avianca( 81%).
What are the cheapest flights from Toronto to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay C$ 1,350 for a flight from Toronto to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is C$ 211 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at C$ 310.
Can I find deals for flights from Toronto to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Toronto to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Toronto to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Dulles Intl.
Can I find deals for business class flights from Toronto to Dulles Intl?
Yes. Cheapflights offers flight deals from Toronto to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Toronto to Washington, D.C. Dulles Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Toronto to Washington, D.C. Dulles Intl Airport (average of C$ 367). Flying from Toronto to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 455). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Fly from Toronto to Dulles Intl on these airlines

Porter Airlines flights from Toronto to Washington, D.C. Dulles Intl

Air Canada flights from Toronto to Washington, D.C. Dulles Intl

United Airlines flights from Toronto to Washington, D.C. Dulles Intl

Top 4 airlines flying from Toronto to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 116	AverageC$ 425	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 239	AverageC$ 320	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 294	AverageC$ 535	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	CheapestC$ 332	AverageC$ 455	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Toronto to Dulles Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Dulles Intl from Toronto today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Toronto to Dulles Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Dulles Intl from Toronto.

Can Cheapflights find flights from Toronto to Dulles Intl with no change fees?

Yes, we can. To see specific flights from Toronto to Dulles Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Toronto to Dulles Intl become cheaper?

Of course! You can now track prices for flights from Toronto to Dulles Intl and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Toronto to Washington, D.C. Dulles Intl Airport from C$ 174

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Toronto to Dulles Intl

Cheapest flights from Toronto to Dulles IntlExplore the most affordable flight options available from Toronto to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Explore the most affordable flight options available from Toronto to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Toronto to Dulles IntlDiscover carefully curated flight deals from Toronto to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Discover carefully curated flight deals from Toronto to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Direct flights from Toronto to Dulles IntlExplore direct flight options from Toronto to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 October 2026.

Explore direct flight options from Toronto to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 October 2026.

Last-minute flights from Toronto to Dulles IntlDiscover last-minute flight deals from Toronto to Dulles Intl. Data last updated 13 October 2026 and is based on user searches.

Discover last-minute flight deals from Toronto to Dulles Intl. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Toronto to Dulles IntlSearch for one-way flight options from Toronto to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Search for one-way flight options from Toronto to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

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Use the filters below to find and compare flights from Toronto to Washington, D.C. Dulles Intl Airport that are best for you.

Best time to book a flight from Toronto to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Toronto with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Toronto to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from YTO to IAD?

Find hourly flight availability from Toronto to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 October 2026.

A simple way to save on the total cost of your ticket is to fly from Toronto to Washington, D.C. Dulles Intl Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the evening.

Weekly flight availability from Toronto to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Toronto to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 October 2026.

The most flights from YTO to IAD are scheduled on a Friday (24 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (18 on average).

How much does it cost to fly round-trip from Toronto to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Toronto to Washington, D.C. Dulles Intl Airport flights typically cost between C$ 300 and C$ 618 in December.The cheapest round-trip price found within the last 5 days was C$ 272 on Air Canada (5 Dec-12 Dec).

What’s the top layover airport for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Share of one-stop round-trip flights from Toronto to Washington, D.C. Dulles Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Montreal (YUL) – chosen by Cheapflights users on 50% of one-stop itineraries from Toronto to Washington, D.C. Dulles Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Average round-trip fare for 1-stop flights from Toronto to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Ottawa (YOW) is the most affordable 1-stop option, with an average round-trip price of C$ 371.

What’s the fastest layover option from Toronto to Washington, D.C. Dulles Intl Airport?

Shortest average travel time for 1-stop one-way flights from Toronto to Washington, D.C. Dulles Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Ottawa (YOW) have the shortest average one-way travel time for 1-stop routes: 3h 52m.

Which airport typically offers the quickest layover for flights from Toronto to Washington, D.C. Dulles Intl Airport?

Average layover duration for 1-stop one-way flights from Toronto to Washington, D.C. Dulles Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Ottawa (YOW) offer the fastest connection on this route, with an average layover time of 1h 11m.

How often are flights from Toronto to Washington, D.C. delayed?

About 18% of weekly flights between Toronto and Washington, D.C. have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for Toronto to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Toronto to Washington, D.C. flights?

Over the past year, United Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Toronto to Washington, D.C. Dulles Intl Airport?

What is the cheapest day to fly from Toronto to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Dulles Intl. Price data was last updated on 10 October 2026.

Travelers seeking maximum savings on their Toronto to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Toronto to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Toronto to Washington, D.C. Dulles Intl Airport?

What are the cheapest airlines flying from Toronto to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Toronto to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from Toronto to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Toronto to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Toronto to Dulles Intl that include hotel bookings?

How can I find direct flights from Toronto to Dulles Intl?

Can I find deals for business class flights from Toronto to Dulles Intl?

What is the cheapest month to book a flight from Toronto to Washington, D.C. Dulles Intl Airport?

Travelling to a place near Washington, D.C. Dulles Intl Airport?

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Fly from Toronto to Dulles Intl on these airlines

Choose from the following airlines for your flight from Toronto to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 13 October 2026.

Alternative routes for Toronto to Dulles Intl

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Complete your trip

Cheapest flights from Toronto to Dulles Intl
Explore the most affordable flight options available from Toronto to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 October 2026.

Best flights from Toronto to Dulles Intl
Discover carefully curated flight deals from Toronto to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 13 October 2026.

Direct flights from Toronto to Dulles Intl
Explore direct flight options from Toronto to Dulles Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 October 2026.

Last-minute flights from Toronto to Dulles Intl
Discover last-minute flight deals from Toronto to Dulles Intl. Data last updated 13 October 2026 and is based on user searches.

One-way flights from Toronto to Dulles Intl
Search for one-way flight options from Toronto to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated 13 October 2026.

Toronto to Washington, D.C. Dulles Intl Airport flights typically cost between C$ 300 and C$ 618 in December.
The cheapest round-trip price found within the last 5 days was C$ 272 on Air Canada (5 Dec-12 Dec).