Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport from C$ 173

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Toronto Pearson Intl to Washington, D.C. Dulles Intl are usually found in January or May, booked 78 days in advance, depart on a Friday or Saturday and return on a Sunday

Cheap 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 17 September 2025.

Round-trip from

C$ 279

One-way from

C$ 173

Popular in

October

Cheapest in

January

Average price

C$ 443

Good round-trip deal

C$ 548 or less

Good one-way deal

C$ 451 or less
Air Canada
  • Air Canada
  • 7/10-8/10
  • Nonstop
  • 3h 00m total
  • Toronto to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 28/11
  • Nonstop
  • 1h 31m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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

Find 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 17 September 2025.

Tue 7/1012:10 p.m.YYZ - IAD
Nonstop1h 28mAir Canada
Wed 8/1010:20 a.m.IAD - YYZ
Nonstop1h 32mAir Canada
Deal found 15/9C$ 279
Sat 6/124:00 p.m.YYZ - IAD
1 stop4h 59mAir Canada
Sun 7/124:30 p.m.IAD - YYZ
Nonstop1h 33mAir Canada
Deal found 15/9C$ 286
Tue 7/108:10 a.m.YYZ - IAD
Nonstop1h 28mAir Canada
Sun 23/119:00 a.m.IAD - YYZ
Nonstop1h 29mAir Canada
Deal found 16/9C$ 289
Thu 16/108:10 a.m.YYZ - IAD
Nonstop1h 28mAir Canada
Sun 19/109:35 a.m.IAD - YYZ
1 stop5h 59mAir Canada
Deal found 16/9C$ 290
Sat 1/116:55 p.m.YYZ - IAD
Nonstop1h 31mAir Canada
Tue 4/119:00 a.m.IAD - YYZ
Nonstop1h 29mAir Canada
Deal found 15/9C$ 292
Tue 9/124:00 p.m.YYZ - IAD
1 stop4h 59mAir Canada
Wed 10/129:45 a.m.IAD - YYZ
1 stop4h 55mAir Canada
Deal found 15/9C$ 293
Thu 9/1012:45 p.m.YYZ - IAD
Nonstop1h 40mUnited Airlines
Sun 12/105:22 p.m.IAD - YYZ
Nonstop1h 43mUnited Airlines
Deal found 15/9C$ 297
Thu 16/1010:05 a.m.YYZ - IAD
Nonstop1h 40mUnited Airlines
Sun 19/108:28 a.m.IAD - YYZ
Nonstop1h 36mUnited Airlines
Deal found 15/9C$ 299
Thu 2/1012:10 p.m.YYZ - IAD
Nonstop1h 28mAir Canada
Wed 8/1010:20 a.m.IAD - YYZ
Nonstop1h 32mAir Canada
Deal found 16/9C$ 304

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 629,999 searches. Data last updated 17 September 2025.
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

Pearson Intl

Fly to

Dulles Intl

Route

Depart

Return

Price

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 25/10

7:47 p.m.-9:25 p.m.

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sat 1/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 299

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 16/10

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 19/10

8:28 a.m.-10:04 a.m.

Nonstop1h 36m

C$ 299

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 17/10

12:45 p.m.-2:25 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 19/10

8:28 a.m.-10:04 a.m.

Nonstop1h 36m

C$ 299

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 16/10

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 20/10

3:36 p.m.-5:14 p.m.

Nonstop1h 38m

C$ 299

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 23/10

12:45 p.m.-2:25 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Thu 30/10

9:45 a.m.-3:34 p.m.

1 stop5h 49m

C$ 307

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 27/11

10:00 a.m.-11:45 a.m.

Nonstop1h 45m

Washington, D.C. Dulles Intl

Wed 3/12

9:45 a.m.-4:40 p.m.

1 stop6h 55m

C$ 307

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 1/11

7:40 p.m.-9:20 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Tue 4/11

9:45 a.m.-4:40 p.m.

1 stop6h 55m

C$ 307

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 15/10

7:47 p.m.-9:25 p.m.

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 22/10

8:30 a.m.-1:47 p.m.

1 stop5h 17m

C$ 314

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Mon 27/10

6:40 p.m.-10:58 p.m.

1 stop4h 18m

Washington, D.C. Dulles Intl

Sun 9/11

10:11 p.m.-11:46 p.m.

Nonstop1h 35m

C$ 321

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 8/10

10:05 a.m.-11:45 a.m.

Nonstop1h 40m

C$ 186

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/9

Showing 1-10 of 18 results
1
2

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 12 September 2025.

The best time to book flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport 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 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 C$ 256). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 17 September 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 22% on flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the afternoon.

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 14 September 2025.

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

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 17 September 2025.
Read through reviews of airlines operating flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport, such as Porter Airlines,Air Transat, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
365 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
439 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,926 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,095 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
365 reviews
Check prices

Entertainment

7.0

Comfort

7.9

Overall

7.9

Crew

8.6

Boarding

8.2

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 1h 38m. United Airlines provides one of the quickest options available for as low as C$ 299. Airlines will cover a distance of 557 km. Most flights are nonstop.

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

    Porter Airlines, at C$ 212, was found to be the cheapest airline from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Air Canada and United Airlines. Porter 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?

    Consider Republic Airways (90%), Copa Airlines (86%) or Air Canada (85%) when booking your flight. These represent the most reliable airlines when flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport.

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

    Looking for the cheapest flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport? While on average our users pay C$ 1,089, our data indicates the cheapest price to be C$ 235. The most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl), is priced around C$ 296.

  • 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 C$ 256). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Pearson Intl to Dulles Intl on these airlines

Choose from the following airlines for your flight from Pearson Intl to Dulles Intl. Flights are based on user searches made on Cheapflights and were last updated on 17 September 2025.
Air Canada flights from Toronto Pearson Intl to Washington, D.C. Dulles Intl
United Airlines flights from Toronto Pearson Intl to Washington, D.C. Dulles Intl
Porter Airlines flights from Toronto Pearson Intl to Washington, D.C. Dulles Intl

Top 5 airlines flying from Pearson Intl to Dulles Intl

Discover the top 5 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 629,999 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 212AverageC$ 306FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 262AverageC$ 396FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 268AverageC$ 426FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air TransatCheapestC$ 285AverageC$ 384FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 429AverageC$ 606FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pearson Intl to Dulles Intl?

Deals for Pearson Intl to Dulles Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights simply makes it quick and affordable to book flights from Pearson Intl to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Pearson Intl to Dulles Intl flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Pearson Intl to Dulles Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.