Cheap flights from Toronto to Washington, D.C. Dulles Intl Airport from C$ 188

YTO — IAD
15 Dec — 22 Dec1
1 adult
1 adult, Economy, 0 bags
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 flights from Toronto to Dulles Intl

Fri 27/114:15 p.m. -
Nonstop1h 29m
Sun 6/1211:20 a.m. -
Nonstop1h 30m
Deal found 14/11C$ 297
Sat 5/129:10 a.m. -
Nonstop1h 30m
Sun 6/1211:20 a.m. -
Nonstop1h 30m
Deal found 12/11C$ 298
Sat 12/129:10 a.m. -
Nonstop1h 30m
Mon 14/1211:20 a.m. -
Nonstop1h 30m
Deal found 10/11C$ 301
Thu 3/129:10 a.m. -
Nonstop1h 30m
Sun 6/1211:20 a.m. -
Nonstop1h 30m
Deal found 10/11C$ 302
Thu 31/129:10 a.m. -
Nonstop1h 30m
Fri 1/111:20 a.m. -
Nonstop1h 32m
Deal found 13/11C$ 308
Fri 4/124:15 p.m. -
Nonstop1h 30m
Sun 6/1211:20 a.m. -
Nonstop1h 30m
Deal found 13/11C$ 310
Fri 11/124:15 p.m. -
Nonstop1h 30m
Sun 13/1211:20 a.m. -
Nonstop1h 30m
Deal found 10/11C$ 311
Mon 14/129:10 a.m. -
Nonstop1h 30m
Sun 10/111:20 a.m. -
Nonstop1h 32m
Deal found 13/11C$ 312
Thu 10/129:10 a.m. -
Nonstop1h 30m
Sun 13/1211:20 a.m. -
Nonstop1h 30m
Deal found 13/11C$ 314
Tue 8/129:35 a.m. -
1 stop12h 15m
Tue 15/123:34 p.m. -
1 stop23h 46m
Deal found 10/11C$ 317
Wed 2/126:40 p.m. -
Nonstop1h 30m
Fri 4/1210:10 p.m. -
Nonstop1h 42m
Deal found 13/11C$ 331
Fri 4/1210:00 a.m. -
Nonstop1h 45m
Sun 13/1210:10 p.m. -
Nonstop1h 42m
Deal found 12/11C$ 334

Find flight deals from Toronto to Dulles Intl

Round-trip from

C$ 295

One-way from

C$ 188

Popular in

May

Cheapest in

January

Average price

C$ 385

Good round-trip deal

C$ 305 or less

Good one-way deal

C$ 210 or less
Porter Airlines
  • Porter Airlines
  • 7/1-11/1
  • Nonstop
  • 3h 04m total
  • Toronto to Washington, D.C.
Porter Airlines
  • Porter Airlines
  • 1/12-31/12
  • Nonstop
  • 1h 30m total
  • Toronto to Washington, D.C.
Highest demand for flights based on searches. 3% potential increase in price (C$ 16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
Average for round-trip flights in November 2026
Price to beat on a round-trip flight from Toronto (YTO) to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Toronto (YTO) to Washington, D.C. Dulles Intl.

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

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Mon 7/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 188

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Tue 1/12

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$ 204

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Wed 23/12

9:10 a.m.-10:40 a.m.

Nonstop1h 30m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 205

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 25/12

7:44 p.m.-9:28 p.m.

Nonstop1h 44m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 223

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 22/1

2:45 p.m.-4:35 p.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 223

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Fri 18/12

2:45 p.m.-4:35 p.m.

Nonstop1h 50m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 223

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Sat 5/12

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$ 223

TorontoWashington, D.C.

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

YTZIAD

Toronto Island

Fri 12/2

9:10 a.m.-10:42 a.m.

Nonstop1h 32m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 224

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Mon 14/12

6:40 p.m.-10:54 p.m.

1 stop4h 14m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 227

TorontoWashington, D.C.

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

YYZIAD

Toronto Pearson Intl

Mon 21/12

6:40 p.m.-11:21 p.m.

1 stop4h 41m

Washington, D.C. Dulles Intl

Wed 31/12

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

Nonstop0h 00m

C$ 227

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 42 resultsSorted by cheapest first
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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.
Estimated round-trip price

Cheapflights Insights

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

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$ 371). Flying from Toronto to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 454). 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 25% 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 Monday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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$ 328 and C$ 491 in January.
The cheapest round-trip price found within the last 5 days was C$ 295 on Porter Airlines (7 Jan-11 Jan).

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.

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

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.

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

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.

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

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.

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

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.

Food

7.6

Overall

8.0

Crew

8.6

Boarding

8.2

Comfort

8.0

Entertainment

6.9

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.

Related info for your journey

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

    Airlines like United Airlines and Porter Airlines fly from Toronto to Washington, D.C. Dulles Intl Airport in about 1h 30m. The time it takes to get you to your destination is usually consistent. The distance from Toronto to Washington, D.C. Dulles Intl Airport is about 546 km. All flights are typically direct.

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

    Air Canada, at C$ 129, was found to be the cheapest airline from Toronto to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and Porter Airlines. Air Canada is 65% 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$ 153), United Airlines (C$ 182), and Air Canada (C$ 199).

  • 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: ANA (100%), Republic Airways (92%), Copa Airlines( 88%).

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

    On average you can expect to pay C$ 948 for a flight from Toronto to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is C$ 229 while the most popular route, (Toronto Pearson Intl - Washington, D.C. Dulles Intl) is currently priced at C$ 334.

  • 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$ 371). Flying from Toronto to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 454). 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.

See more FAQs

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Silver Spring
Winchester
Hanover
College Park
Alexandria
Oxon Hill
Chantilly
Gaithersburg
Reston
Herndon
Ellicott City
Arlington
Fredericksburg
Ashburn
Rockville

Browse thousands of different options on Cheapflights for your next trip

Fly from Toronto to Dulles Intl on these airlines

Top 5 airlines flying from Toronto to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 129AverageC$ 425FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 202AverageC$ 359FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 239AverageC$ 334FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 294AverageC$ 535FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 317AverageC$ 479FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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