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Cheap flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport from C$ 187

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags
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 Saturday and return on a Monday

Cheap flight deals from Pearson Intl to Dulles Intl

Enter your travel dates to find the best prices.

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 April 2026.

Thu 21/52:30 p.m.
YYZ
-
IAD
Nonstop1h 43m
United Airlines
Sun 24/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 15/4C$ 283
Fri 22/512:45 p.m.
YYZ
-
IAD
Nonstop1h 36m
United Airlines
Tue 26/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 16/4C$ 284
Wed 27/56:55 p.m.
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Tue 2/63:45 p.m.
IAD
-
YYZ
1 stop6h 13m
Air Canada
Deal found 14/4C$ 294
Thu 21/57:43 p.m.
YYZ
-
IAD
Nonstop1h 43m
Lufthansa
Mon 25/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
Lufthansa
Deal found 15/4C$ 295
Thu 21/51:55 p.m.
YYZ
-
IAD
Nonstop1h 34m
Air Canada
Mon 25/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
Air Canada
Deal found 15/4C$ 302
Fri 29/59:00 a.m.
YYZ
-
IAD
1 stop6h 03m
Air Canada
Wed 3/63:45 p.m.
IAD
-
YYZ
2 stops7h 30m
Air Canada
Deal found 12/4C$ 313
Wed 13/59:35 a.m.
YYZ
-
IAD
Nonstop1h 39m
United Airlines
Mon 25/510:14 p.m.
IAD
-
YYZ
Nonstop1h 40m
United Airlines
Deal found 14/4C$ 314
Wed 27/59:49 a.m.
YYZ
-
IAD
1 stop6h 42m
Delta
Fri 5/66:00 a.m.
IAD
-
YYZ
1 stop7h 30m
Delta
Deal found 14/4C$ 317

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 17 April 2026.

Round-trip from

C$ 283

One-way from

C$ 187

Popular in

December

Cheapest in

February

Average price

C$ 394

Good round-trip deal

C$ 508 or less

Good one-way deal

C$ 285 or less
United Airlines
  • United Airlines
  • 21/5-26/5
  • Nonstop
  • 3h 16m total
  • Toronto to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 20/5
  • Nonstop
  • 1h 34m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 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 629,999 searches. Data last updated 17 April 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 27/5

10:45 a.m.-4:32 p.m.

1 stop5h 47m

Washington, D.C. Dulles Intl

Tue 2/6

6:33 a.m.-11:43 a.m.

1 stop5h 10m

C$ 318

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 5/6

2:30 p.m.-4:13 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Tue 9/6

6:33 a.m.-11:43 a.m.

1 stop5h 10m

C$ 324

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 21/5

7:43 p.m.-9:26 p.m.

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 25/5

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 324

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 27/5

6:10 a.m.-10:22 a.m.

1 stop4h 12m

Washington, D.C. Dulles Intl

Tue 2/6

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

1 stop7h 30m

C$ 329

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 4/6

6:00 a.m.-12:18 p.m.

1 stop6h 18m

Washington, D.C. Dulles Intl

Sat 6/6

5:21 p.m.-10:59 p.m.

1 stop5h 38m

C$ 329

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sat 20/6

7:00 a.m.-11:52 a.m.

1 stop4h 52m

Washington, D.C. Dulles Intl

Tue 23/6

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 331
Quickest round-trip

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 2/6

12:45 p.m.-2:21 p.m.

Nonstop1h 36m

Washington, D.C. Dulles Intl

Wed 10/6

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 332

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 29/5

4:04 p.m.-10:56 p.m.

1 stop6h 52m

Washington, D.C. Dulles Intl

Fri 5/6

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

1 stop7h 30m

C$ 359

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 22/5

4:05 p.m.-9:13 p.m.

1 stop5h 08m

Washington, D.C. Dulles Intl

Tue 16/6

8:18 a.m.-1:05 p.m.

1 stop4h 47m

C$ 376

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 14/6

5:15 p.m.-12:45 a.m.

1 stop7h 30m

Washington, D.C. Dulles Intl

Mon 15/6

10:14 p.m.-11:54 p.m.

Nonstop1h 40m

C$ 425

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/4

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

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 10 April 2026.

The best time to book flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport is 44 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$ 354). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 497). 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 April 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 24% on flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport by exploring options for tickets in the morning.

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 11 April 2026.

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 at noon 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?

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 April 2026.
Read through reviews of airlines operating flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport, such as Porter Airlines,United Airlines, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
435 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Porter Airlines
8.0
Very good
435 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
United Airlines
7.4
Good
9,603 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.
Air Canada
7.1
Good
10,932 reviews
Porter Airlines
8.0
Very good
435 reviews
Check prices

Crew

8.6

Comfort

8.0

Food

7.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 C$ 329. Airlines will cover a distance of 557 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    Porter Airlines, at C$ 247, 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 38% 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 Copa Airlines (81%), Republic Airways (81%) or Air Canada (75%) 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$ 1,320, our data indicates the cheapest price to be C$ 214. The most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl), is priced around C$ 283.

  • 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$ 354). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of C$ 497). 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
Silver Spring
Warrenton
Winchester
Hanover
Fairfax
Reston
Ellicott City
Oxon Hill
Gaithersburg
Arlington
Herndon
Manassas
Fredericksburg
Alexandria
Rockville

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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 April 2026.
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 3 airlines flying from Pearson Intl to Dulles Intl

Discover the top 3 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 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 247AverageC$ 287FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 289AverageC$ 431FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 326AverageC$ 390FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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.

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