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Dulles Intl

$136+ Cheap flights from Pearson Intl (YYZ) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
May 17 — May 241
Sun 5/17
Sun 5/24
1 adult, Economy
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Cheapflights Tip: The best prices from Toronto Pearson Intl to Washington, D.C. Dulles Intl are usually found in February or June, booked 44 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Pearson Intl to Dulles Intl

Cheapest flights from Pearson Intl to Dulles Intl
Explore the most affordable flight options available from Pearson Intl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.

This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:45 pm
YYZ
-
IAD
Nonstop1h 36m
United Airlines
Tue 5/2610:14 pm
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 4/14$206
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:45 pm
YYZ
-
IAD
Nonstop1h 36m
United Airlines
Tue 5/2610:14 pm
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 4/16$207
This Air Canada deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Tue 6/23:45 pm
IAD
-
YYZ
1 stop6h 13m
Air Canada
Deal found 4/14$214
This Kissandfly.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:43 pm
YYZ
-
IAD
Nonstop1h 43m
Lufthansa
Mon 5/2510:14 pm
IAD
-
YYZ
Nonstop1h 40m
Lufthansa
Deal found 4/15$215
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/167:43 pm
YYZ
-
IAD
Nonstop1h 42m
United Airlines
Mon 5/256:33 am
IAD
-
YYZ
1 stop5h 10m
United Airlines
Deal found 4/14$216
This flygcity.se deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/211:55 pm
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Mon 5/2510:14 pm
IAD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 4/15$220
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/217:30 am
YYZ
-
IAD
1 stop3h 58m
United Airlines
Wed 5/278:25 am
IAD
-
YYZ
Nonstop1h 39m
United Airlines
Deal found 4/15$221
This Air Canada deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:00 am
YYZ
-
IAD
1 stop6h 03m
Air Canada
Wed 6/33:45 pm
IAD
-
YYZ
2 stops7h 30m
Air Canada
Deal found 4/12$228
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:43 pm
YYZ
-
IAD
Nonstop1h 42m
United Airlines
Sun 5/2410:14 pm
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 4/14$229
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:00 pm
YYZ
-
IAD
1 stop6h 00m
United Airlines
Tue 6/26:10 am
IAD
-
YYZ
1 stop5h 39m
United Airlines
Deal found 4/15$231

Find flight deals from Pearson Intl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pearson Intl (YYZ) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(United Airlines)

One-way from

$136
(TravelUp)

Popular in

December

Cheapest in

February

Average price

$287

Good round-trip deal

$265 or less

Good one-way deal

$192 or less
Provider with most accurate pricing for Toronto Pearson Intl-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto Pearson Intl-Washington, D.C. Dulles Intl flights.
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From Toronto Pearson Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pearson Intl to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Toronto Pearson Intl Airport 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.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 5/27

3:00 pm-9:00 pm

1 stop6h 00m

Washington, D.C. Dulles Intl

Tue 6/2

6:10 am-11:49 am

1 stop5h 39m

$231

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 5/27

6:10 am-10:22 am

1 stop4h 12m

Washington, D.C. Dulles Intl

Tue 6/2

6:00 am-1:30 pm

1 stop7h 30m

$240

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 6/4

6:00 am-12:18 pm

1 stop6h 18m

Washington, D.C. Dulles Intl

Sat 6/6

5:21 pm-10:59 pm

1 stop5h 38m

$240

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 6/20

7:00 am-11:52 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Tue 6/23

10:14 pm-11:54 pm

Nonstop1h 40m

$241

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 6/14

2:29 pm-11:14 pm

1 stop8h 45m

Washington, D.C. Dulles Intl

Wed 6/17

6:00 am-1:39 pm

1 stop7h 39m

$241

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 6/20

7:00 am-11:52 am

1 stop4h 52m

Washington, D.C. Dulles Intl

Mon 6/22

10:14 pm-11:54 pm

Nonstop1h 40m

$241

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 6/13

6:00 am-11:48 am

1 stop5h 48m

Washington, D.C. Dulles Intl

Wed 6/17

6:00 am-1:39 pm

1 stop7h 39m

$241
Quickest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/2

12:45 pm-2:21 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 6/10

10:14 pm-11:54 pm

Nonstop1h 40m

$242

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 5/29

4:04 pm-10:56 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Fri 6/5

6:00 am-1:30 pm

1 stop7h 30m

$262

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 5/28

4:04 pm-10:56 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Thu 6/4

6:00 am-1:30 pm

1 stop7h 30m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Pearson Intl to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pearson Intl to Dulles Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars

*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 Toronto Pearson Intl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Toronto Pearson Intl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Toronto Pearson Intl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Toronto Pearson Intl Airport-Washington, D.C. Dulles Intl Airport 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 Toronto Pearson Intl Airport-Washington, D.C. Dulles Intl Airport 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 Pearson Intl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Pearson Intl with our price prediction graph.
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 Pearson Intl Airport to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Pearson Intl to Dulles Intl. Price data was last updated on April 10, 2026.

The price you pay for your flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport (average of $258). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $362). 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 YYZ to IAD?

Find hourly flight availability from Pearson Intl 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 April 17, 2026.

A simple way to save on the total cost of your ticket is to fly from Toronto Pearson Intl Airport 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 35% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Pearson Intl to Dulles Intl. Price data was last updated on April 11, 2026.

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday afternoons 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.

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

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

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
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

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 Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated April 17, 2026.
Read reviews from past customers who have flown United Airlines and Air Canada from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport. 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.
United Airlines
7.4
Good
9,602 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,602 reviews
United Airlines
7.4
Good
9,602 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,932 reviews
United Airlines
7.4
Good
9,602 reviews

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Pearson Intl to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport can take about 4h 12m. United Airlines provides one of the quickest options available for as low as $240. The distance from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport is about 346 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as $160 on this airline. An additional option worth looking into is Air Canada, starting at $171. United Airlines is currently priced 45% below the average price you’ll pay for this route.

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

    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 Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport on time: Copa Airlines (81%), Republic Airways (81%), Air Canada (75%).

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

    Looking at all options, your cheapest flight can be booked for $141. While the most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl) can be booked for $206 on average, our data indicates $327 when flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport (average of $258). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $362). 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

Traveling 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
Alexandria
Woodbridge
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Largo
Upper Marlboro
Waldorf
Bowie
Clinton
Towson
Hunt Valley
Cordova

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Alternative routes for Pearson Intl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Reagan-National flights
Pearson Intl to Baltimore flights

Top 2 airlines flying from Pearson Intl to Dulles Intl

Discover the top 2 airlines that operate flights from Pearson Intl to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$160Average$263FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$171Average$300FlexibilityNo cancel feeOn-time67%

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