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Toronto

$88+ Cheap flights from Dulles Intl (IAD) to Toronto (YTO)

IAD — YTO
Nov 29 — Dec 61
Sun 11/29
Sun 12/6
1 adult, Economy
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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 Thursday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Toronto

Cheapest flights from Dulles Intl to Toronto

Fri 12/2511:20 am -
Nonstop1h 30m
Fri 1/19:05 am -
Nonstop1h 32m
Deal found 10/25$195
Fri 11/136:25 pm -
Nonstop1h 30m
Sun 11/159:10 am -
Nonstop1h 29m
Deal found 10/26$196
Thu 11/1211:20 am -
Nonstop1h 30m
Sun 11/159:10 am -
Nonstop1h 29m
Deal found 10/25$197
Sat 11/1411:20 am -
Nonstop1h 30m
Mon 11/164:15 pm -
Nonstop1h 29m
Deal found 10/25$198
Wed 12/911:20 am -
Nonstop1h 30m
Wed 12/169:10 am -
Nonstop1h 30m
Deal found 10/26$199
Tue 11/1711:20 am -
Nonstop1h 30m
Thu 11/199:10 am -
Nonstop1h 29m
Deal found 10/25$200
Wed 11/1111:20 am -
Nonstop1h 30m
Mon 11/164:15 pm -
Nonstop1h 29m
Deal found 10/26$201
Tue 11/1011:20 am -
Nonstop1h 30m
Wed 11/119:10 am -
Nonstop1h 29m
Deal found 10/25$202
Tue 12/811:20 am -
Nonstop1h 30m
Mon 12/144:15 pm -
Nonstop1h 30m
Deal found 10/25$203
Tue 11/1011:20 am -
Nonstop1h 30m
Fri 11/134:15 pm -
Nonstop1h 29m
Deal found 10/27$205
Mon 11/96:25 pm -
Nonstop1h 30m
Sat 11/149:10 am -
Nonstop1h 29m
Deal found 10/25$207
Tue 12/154:30 pm -
Nonstop1h 27m
Thu 12/176:40 pm -
Nonstop1h 30m
Deal found 10/28$216

Find flight deals from Dulles Intl to Toronto

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$196
(FlightHub)

One-way from

$88
(Trip.com)

Popular in

February

Cheapest in

January

Average price

$321

Good round-trip deal

$229 or less

Good one-way deal

$107 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Toronto (YTO) flights.
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From Washington, D.C. Dulles Intl to Toronto (YTO)
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One-way flight from Washington, D.C. Dulles Intl to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
Search Deals
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

Tue 12/1

6:20 pm-10:54 pm

1 stop4h 34m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$89

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 12/24

10:09 pm-11:52 pm

Nonstop1h 43m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$107

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 12/31

5:18 pm-7:01 pm

Nonstop1h 43m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$107

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Mon 11/9

10:10 pm-11:52 pm

Nonstop1h 42m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$107
Quickest round-trip

Washington, D.C.Toronto

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

IADYTZ

Washington, D.C. Dulles Intl

Thu 11/26

11:20 am-12:50 pm

Nonstop1h 30m

Toronto Island

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$113

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Fri 12/4

6:05 am-11:48 am

1 stop5h 43m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Sat 11/21

10:47 pm-9:47 am

1 stop11h 00m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Mon 11/23

8:37 am-5:49 pm

1 stop9h 12m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Tue 11/24

3:37 pm-9:15 pm

1 stop5h 38m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Washington, D.C.Toronto

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

IADYYZ

Washington, D.C. Dulles Intl

Thu 12/3

6:05 am-1:43 pm

1 stop7h 38m

Toronto Pearson Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 45 resultsSorted by cheapest first
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Compare providers for flights from Dulles Intl to Toronto

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Toronto in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Toronto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $308). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of $383). 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?

It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Toronto in the evening. Doing so could potentially save you 50% on the flight price compared to flying at noon, which is usually more expensive.

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 $238 and $397 in November.
The cheapest round-trip price found within the last 5 days was $196 on Multiple Airlines (Nov 13-Nov 15).

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 last year, United Airlines have 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?

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Washington, D.C. Dulles Intl Airport to Toronto flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Toronto trip
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Porter Airlines

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ and YTZ

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Toronto

See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Toronto 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
467 reviews

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

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

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

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 Transat
7.7
Good
584 reviews
Porter Airlines
8.0
Very good
467 reviews

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

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
United Airlines
7.3
Good
10,453 reviews
Porter Airlines
8.0
Very good
467 reviews

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

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
11,834 reviews
Porter Airlines
8.0
Very good
467 reviews

Entertainment

6.9

Boarding

8.2

Crew

8.6

Comfort

8.0

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?

    A quick flight from Washington, D.C. Dulles Intl Airport to Toronto can take about 1h 30m. Porter Airlines provides one of the quickest options available for as low as $212. Airlines will cover a distance of 339 mi. Generally, flights for this route are nonstop.

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

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Toronto is Air Canada. Our recent data shows that you can find tickets from as low as $96 on this airline. Additional options worth looking into are Delta and Porter Airlines, starting at $106 and $128 round-trip. Users have found that Air Canada is 68% cheaper than the other options available to this destination.

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

    $83 is the cheapest one-way deal found within the past few days, from Porter Airlines. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from $88 and $96, respectively.

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

    The most popular route from Washington, D.C. Dulles Intl Airport to Toronto is Washington, D.C. Dulles Intl - Toronto Pearson Intl. You may also consider Washington, D.C. Dulles Intl - Toronto Island or Washington, D.C. Dulles Intl - Hamilton.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Toronto on time: Avianca (85%), ANA (82%), Copa Airlines (81%).

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

    The cheapest flight price from Washington, D.C. Dulles Intl Airport to Toronto is $91. On average you can expect to pay $1,082. The most popular route, (Washington, D.C. Dulles Intl - Toronto Pearson Intl), can usually be booked for $249.

  • 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 $308). Flying from Washington, D.C. Dulles Intl Airport to Toronto in February is currently the most expensive (average of $383). 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 5 airlines flying from Dulles Intl to Toronto

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$96Average$328FlexibilityNo cancel feeOn-time67%
DeltaCheapest$106Average$254FlexibilityNo cancel feeOn-timeN/A
Porter AirlinesCheapest$128Average$242FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$249Average$418FlexibilityNo cancel feeOn-time69%
Air TransatCheapest$263Average$527FlexibilityNo cancel feeOn-time50%

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