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Cheap flights from Washington, D.C. Dulles Intl Airport to Toronto from C$ 123

IAD — YTO
29 Nov — 6 Dec1
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 Monday or Sunday 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

Fri 25/1211:20 a.m. -
Nonstop1h 30m
Fri 1/19:05 a.m. -
Nonstop1h 32m
Deal found 25/10C$ 273
Fri 13/116:25 p.m. -
Nonstop1h 30m
Sun 15/119:10 a.m. -
Nonstop1h 29m
Deal found 26/10C$ 274
Thu 12/1111:20 a.m. -
Nonstop1h 30m
Sun 15/119:10 a.m. -
Nonstop1h 29m
Deal found 25/10C$ 276
Sat 14/1111:20 a.m. -
Nonstop1h 30m
Mon 16/114:15 p.m. -
Nonstop1h 29m
Deal found 25/10C$ 277
Wed 9/1211:20 a.m. -
Nonstop1h 30m
Wed 16/129:10 a.m. -
Nonstop1h 30m
Deal found 26/10C$ 278
Tue 17/1111:20 a.m. -
Nonstop1h 30m
Thu 19/119:10 a.m. -
Nonstop1h 29m
Deal found 25/10C$ 280
Wed 11/1111:20 a.m. -
Nonstop1h 30m
Mon 16/114:15 p.m. -
Nonstop1h 29m
Deal found 26/10C$ 281
Tue 10/1111:20 a.m. -
Nonstop1h 30m
Wed 11/119:10 a.m. -
Nonstop1h 29m
Deal found 25/10C$ 283
Tue 8/1211:20 a.m. -
Nonstop1h 30m
Mon 14/124:15 p.m. -
Nonstop1h 30m
Deal found 25/10C$ 284
Tue 10/1111:20 a.m. -
Nonstop1h 30m
Fri 13/114:15 p.m. -
Nonstop1h 29m
Deal found 27/10C$ 287
Mon 9/116:25 p.m. -
Nonstop1h 30m
Sat 14/119:10 a.m. -
Nonstop1h 29m
Deal found 25/10C$ 290
Tue 15/124:30 p.m. -
Nonstop1h 27m
Thu 17/126:40 p.m. -
Nonstop1h 30m
Deal found 28/10C$ 302

Find flight deals from Dulles Intl to Toronto

Round-trip from

C$ 273

One-way from

C$ 123

Popular in

February

Cheapest in

January

Average price

C$ 449

Good round-trip deal

C$ 384 or less

Good one-way deal

C$ 166 or less
Porter Airlines
  • Porter Airlines
  • 25/12-1/1
  • Nonstop
  • 3h 02m total
  • Washington, D.C. to Toronto
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Air Transat
  • Air Transat
  • 10/11-31/12
  • Nonstop
  • 1h 30m total
  • Washington, D.C. to Toronto
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 68 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in October 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 - YYZ Toronto Pearson Intl

IADYYZ

Washington, D.C. Dulles Intl

Thu 24/12

10:09 p.m.-11:52 p.m.

Nonstop1h 43m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 150

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 31/12

5:18 p.m.-7:01 p.m.

Nonstop1h 43m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 150

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Mon 9/11

10:10 p.m.-11:52 p.m.

Nonstop1h 42m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 150
Quickest round-trip

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Thu 3/12

11:20 a.m.-12:50 p.m.

Nonstop1h 30m

Toronto Island

Wed 31/12

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

Nonstop0h 00m

C$ 158

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Wed 11/11

12:35 p.m.-5:14 p.m.

1 stop4h 39m

Toronto Pearson Intl

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

Fri 4/12

6:05 a.m.-11:48 a.m.

1 stop5h 43m

Toronto Pearson Intl

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

Sat 21/11

10:47 p.m.-9:47 a.m.

1 stop11h 00m

Toronto Pearson Intl

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

Tue 24/11

3:37 p.m.-9:15 p.m.

1 stop5h 38m

Toronto Pearson Intl

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

Thu 3/12

6:05 a.m.-1:43 p.m.

1 stop7h 38m

Toronto Pearson Intl

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 22/11

5:29 p.m.-11:59 p.m.

1 stop6h 30m

Toronto Pearson Intl

Wed 31/12

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

Nonstop0h 00m

C$ 164

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 44 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 431). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of C$ 536). 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 afternoon. If you’re flexible enough to do this you can expect to save up to 87% on your trip compared to booking a flight at noon.

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$ 333 and C$ 555 in December.
The cheapest round-trip price found within the last 5 days was C$ 273 on Porter Airlines (25 Dec-1 Jan).

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 122 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?

Sunday 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 14% 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 77 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
467 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

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
467 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

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
11,833 reviews
Porter Airlines
8.0
Very good
467 reviews
Check prices

Crew

8.6

Comfort

8.0

Boarding

8.2

Entertainment

6.9

Food

7.6

Overall

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$ 296, Porter Airlines can have you in Toronto from Washington, D.C. Dulles Intl Airport in 1h 30m. The distance between Washington, D.C. Dulles Intl Airport and Toronto is about 546 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$ 286. Other airlines that can offer you cheap pricing are United Airlines, from C$ 301, and Air Canada, from C$ 390. These flights start at 32% 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$ 124. Porter Airlines flights start at C$ 135 while deals on Air Canada start at C$ 142 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 Avianca (85%), ANA (82%) or Copa Airlines (81%) 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$ 445, our data shows the cheapest flight currently is C$ 142. When looking at the most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), you can expect to pay C$ 317 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Toronto (average of C$ 431). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of C$ 536). 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
Porter AirlinesCheapestC$ 286AverageC$ 424FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 301AverageC$ 515FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 390AverageC$ 658FlexibilityNo cancel feeOn-time67%
Search Air Canada 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.

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Of course! You can now track prices for flights from Dulles Intl to Toronto 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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