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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto from C$ 126

IAD — YTO
15 Oct — 22 Oct1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Toronto are usually found in January or May, booked 48 days in advance, depart on a Sunday or Friday and return on a Friday

Cheap flight deals from Dulles Intl to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Toronto

Mon 23/1111:20 a.m. -
Nonstop1h 32m
Mon 30/114:15 p.m. -
Nonstop1h 28m
Deal found 10/9C$ 270
Tue 24/1111:20 a.m. -
Nonstop1h 32m
Thu 3/129:10 a.m. -
Nonstop1h 28m
Deal found 10/9C$ 271
Sun 15/119:55 a.m. -
Nonstop1h 27m
Mon 16/114:00 p.m. -
1 stop4h 23m
Deal found 12/9C$ 271
Fri 6/116:25 p.m. -
Nonstop1h 34m
Wed 11/119:10 a.m. -
Nonstop1h 28m
Deal found 13/9C$ 272
Mon 9/114:30 p.m. -
Nonstop1h 27m
Wed 9/122:15 p.m. -
Nonstop1h 30m
Deal found 9/9C$ 272
Thu 29/1011:20 a.m. -
Nonstop1h 32m
Sun 1/114:15 p.m. -
Nonstop1h 28m
Deal found 11/9C$ 274
Mon 19/109:55 a.m. -
Nonstop1h 25m
Fri 23/101:55 p.m. -
Nonstop1h 30m
Deal found 11/9C$ 274
Fri 27/116:25 p.m. -
Nonstop1h 34m
Tue 1/129:10 a.m. -
Nonstop1h 28m
Deal found 10/9C$ 275
Wed 28/109:55 a.m. -
1 stop4h 50m
Wed 4/112:15 p.m. -
Nonstop1h 30m
Deal found 13/9C$ 275
Tue 10/1111:20 a.m. -
Nonstop1h 32m
Tue 17/119:10 a.m. -
Nonstop1h 28m
Deal found 12/9C$ 276
Fri 13/116:25 p.m. -
Nonstop1h 34m
Mon 16/114:15 p.m. -
Nonstop1h 28m
Deal found 12/9C$ 278
Thu 24/911:25 a.m. -
Nonstop1h 30m
Sat 26/99:15 a.m. -
Nonstop1h 30m
Deal found 10/9C$ 279

Find flight deals from Dulles Intl to Toronto

Round-trip from

C$ 270

One-way from

C$ 126

Popular in

February

Cheapest in

January

Average price

C$ 371

Good round-trip deal

C$ 283 or less

Good one-way deal

C$ 151 or less
Porter Airlines
  • Porter Airlines
  • 23/11-30/11
  • Nonstop
  • 3h 00m total
  • Washington, D.C. to Toronto
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Air Canada
  • Air Canada
  • 13/10-31/12
  • Nonstop
  • 1h 37m total
  • Washington, D.C. to Toronto
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 72 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 27 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Toronto (YTO).
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Toronto (YTO).
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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Wed 30/9

5:20 p.m.-6:51 p.m.

Nonstop1h 31m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 126

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Sat 10/10

5:20 p.m.-6:57 p.m.

Nonstop1h 37m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 126

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Sun 18/10

9:45 a.m.-3:50 p.m.

1 stop6h 05m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 139

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Sat 3/10

5:15 p.m.-10:59 p.m.

1 stop5h 44m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Sat 24/10

12:20 p.m.-5:19 p.m.

1 stop4h 59m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 24/9

6:10 a.m.-1:34 p.m.

1 stop7h 24m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 140

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 15/10

6:05 a.m.-1:36 p.m.

1 stop7h 31m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 156

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Fri 13/11

6:00 a.m.-1:30 p.m.

1 stop7h 30m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 156
Quickest round-trip

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Mon 28/9

11:25 a.m.-12:55 p.m.

Nonstop1h 30m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 164

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Sun 4/10

6:10 a.m.-11:18 a.m.

1 stop5h 08m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 193

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/9

Showing 1-10 of 55 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Toronto

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

Cheapflights Insights

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

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 436). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of C$ 547). 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 IAD to YTO?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Toronto in the morning. If you’re flexible enough to do this you can expect to save up to 86% on your trip compared to booking a flight at noon.

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

The most flights from IAD to YTO are scheduled on a Monday (25 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Toronto flights typically cost between C$ 289 and C$ 539 in November.
The cheapest round-trip price found within the last 5 days was C$ 270 on Porter Airlines (23 Nov-30 Nov).

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

About 15% of weekly flights between Washington, D.C. and Toronto have experienced delays in the past year, with the average delay time being 120 minutes.

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

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

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

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

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

Over the past year, United Airlines has had the lowest number of delays on this route, with just 13% of flights being delayed.

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

The best time to book flights from Washington, D.C. Dulles Intl Airport to Toronto is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

Reviews of airlines servicing Toronto

Read reviews from past customers who have flown Porter Airlines and Air Canada from Washington, D.C. Dulles Intl Airport to Toronto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
461 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Porter Airlines
8.0
Very good
461 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats
Air Canada
7.1
Good
11,630 reviews
Porter Airlines
8.0
Very good
461 reviews
Check prices

Boarding

8.2

Overall

8.0

Crew

8.6

Food

7.6

Entertainment

6.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

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

    For as low as C$ 271, Air Canada can have you in Toronto from Washington, D.C. Dulles Intl Airport in 1h 27m. The distance between Washington, D.C. Dulles Intl Airport and Toronto is about 557 km. Most flights are nonstop.

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

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Toronto round-trip from C$ 177. Other airlines that can offer you cheap pricing are Porter Airlines, from C$ 284, and United Airlines, from C$ 299. These flights start at 58% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at C$ 123. Porter Airlines flights start at C$ 134 while deals on Air Canada start at C$ 151 one-way.

  • What are the most popular routes from Washington, D.C. Dulles Intl Airport to Toronto?

    Most travellers choose Washington, D.C. Dulles Intl - Toronto Pearson Intl, Washington, D.C. Dulles Intl - Toronto Island or Washington, D.C. Dulles Intl - Hamilton when deciding on the best route from Washington, D.C. Dulles Intl Airport to Toronto.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. Dulles Intl Airport to Toronto consider choosing ANA (80%), Air Canada (71%) or Copa Airlines (70%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Toronto is generally C$ 521, our data shows the cheapest flight currently is C$ 133. When looking at the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), you can expect to pay C$ 308 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Toronto 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 Washington, D.C. Dulles Intl Airport to Toronto?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 436). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of C$ 547). 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Toronto

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 177AverageC$ 714FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 284AverageC$ 408FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 299AverageC$ 511FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Dulles Intl to Toronto. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

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

Certainly. Search results for flights to Toronto from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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