In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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: ANA (94%), Republic Airways (82%), Avianca (81%).

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

Flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets 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.

$123+ Flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport

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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 Saturday or Thursday and return on a Friday

Cheap flight deals from Pearson Intl to Dulles Intl

Round-trip from	$181 (Air Canada)
One-way from	$123 (Air Canada)
Popular in	July
Cheapest in	January
Average price	$339
Good round-trip deal	$214 or less
Good one-way deal	$159 or less

From Toronto Pearson Intl to Washington, D.C. Dulles Intl

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One-way flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 9% potential increase in price ($30 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Toronto Pearson Intl to Washington, D.C. Dulles Intl.

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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 July 3, 2025.

Wed 8/612:15 pmYYZ - IAD

Nonstop1h 27mAir Canada

Wed 8/1310:20 amIAD - YYZ

Nonstop1h 35mAir Canada

Deal found 7/3

$181

Tue 10/79:00 amYYZ - IAD

1 stop11h 55mUnited Airlines

Wed 10/88:28 amIAD - YYZ

Nonstop1h 36mUnited Airlines

Deal found 7/1

$185

Wed 10/223:59 pmYYZ - IAD

1 stop7h 01mDelta

Tue 10/281:00 pmIAD - YYZ

1 stop4h 23mDelta

Deal found 7/1

$218

Best flights from Pearson Intl to Dulles Intl
Discover carefully curated flight deals from Pearson Intl to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 3, 2025.

Wed 8/68:10 amYYZ - IAD

Nonstop1h 27mAir Canada

Tue 8/1210:20 amIAD - YYZ

Nonstop1h 35mAir Canada

Deal found 7/2

$181

Thu 8/710:05 amYYZ - IAD

Nonstop1h 34mUnited Airlines

Mon 8/113:40 pmIAD - YYZ

Nonstop1h 39mUnited Airlines

Deal found 7/2

$220

Wed 7/96:04 amYYZ - IAD

1 stop5h 58mDelta

Tue 7/296:00 amIAD - YYZ

1 stop5h 16mDelta

Deal found 7/2

$237

Wed 7/2312:05 pmYYZ - IAD

1 stop4h 15mMultiple Airlines

Mon 7/288:18 amIAD - YYZ

1 stop4h 46mMultiple Airlines

Deal found 7/2

$272

Last-minute flights from Pearson Intl to Dulles Intl
Discover last-minute flight deals from Pearson Intl to Dulles Intl. Data last updated July 3, 2025 and is based on user searches.

Tue 7/812:45 pmYYZ - IAD

Nonstop1h 34mUnited Airlines

Tue 7/85:25 pmIAD - YYZ

1 stop4h 58mUnited Airlines

Deal found 7/1

$322

Wed 7/96:04 amYYZ - IAD

1 stop5h 58mDelta

Tue 7/296:00 amIAD - YYZ

1 stop5h 16mDelta

Deal found 7/2

$237

Sat 7/1212:15 pmYYZ - IAD

Nonstop1h 27mAir Canada

Sun 9/1410:20 amIAD - YYZ

Nonstop1h 32mAir Canada

Deal found 7/2

$216

Sat 7/124:00 pmYYZ - IAD

1 stop19h 08mMultiple Airlines

Sun 7/206:06 pmIAD - YYZ

1 stop20h 23mMultiple Airlines

Deal found 7/1

$343

Wed 7/2312:05 pmYYZ - IAD

1 stop4h 15mMultiple Airlines

Mon 7/288:18 amIAD - YYZ

1 stop4h 46mMultiple Airlines

Deal found 7/2

$272

Wed 8/612:15 pmYYZ - IAD

Nonstop1h 27mAir Canada

Wed 8/1310:20 amIAD - YYZ

Nonstop1h 35mAir Canada

Deal found 7/3

$181

Thu 8/710:05 amYYZ - IAD

Nonstop1h 34mUnited Airlines

Mon 8/113:40 pmIAD - YYZ

Nonstop1h 39mUnited Airlines

Deal found 7/2

$220

One-way flights from Pearson Intl to Dulles Intl
Search for one-way flight options from Pearson Intl to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Wed 9/38:10 amYYZ - IAD

Nonstop1h 28mAir Canada

Deal found 7/2

$123

Wed 7/232:30 pmYYZ - IAD

Nonstop1h 40mUnited Airlines

Deal found 7/1

$135

Tue 9/96:04 amYYZ - IAD

1 stop5h 58mDelta

Deal found 7/2

$138

Mon 8/47:45 amYYZ - IAD

1 stop9h 32mMultiple Airlines

Deal found 7/2

$154

Sun 9/218:00 pmYYZ - IAD

1 stop11h 19mLufthansa

Deal found 7/1

$160

Cheapflights Fare Finder

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

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 8/6

8:10 am-9:37 am

Nonstop1h 27m

Washington, D.C. Dulles Intl

Tue 8/12

10:20 am-11:55 am

Nonstop1h 35m

$181

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 10/7

9:00 am-8:55 pm

1 stop11h 55m

Washington, D.C. Dulles Intl

Wed 10/8

8:28 am-10:04 am

Nonstop1h 36m

$185

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 10/22

3:59 pm-11:00 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 10/28

1:00 pm-5:23 pm

1 stop4h 23m

$218

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Mon 10/20

8:10 am-9:38 am

Nonstop1h 28m

$123

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Wed 7/23

2:30 pm-4:10 pm

Nonstop1h 40m

$135

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 9/9

6:04 am-12:02 pm

1 stop5h 58m

$138

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 7/22

12:45 pm-2:19 pm

Nonstop1h 34m

$153

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Mon 8/4

7:45 am-5:17 pm

1 stop9h 32m

$154

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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

Airlines

Air Canada

Economy Latitude offers priority check-in and baggage handling, plus two checked bags.

Families with children under 6 get early boarding and special in-flight entertainment.

Read more about Air Canadaby Jessica Macdonald

United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.

United Club access includes priority perks on the ground for Business Class passengers.

Read more about United Airlinesby Harriet Baskas

Airports

YYZ

Security lines at YYZ are efficient and quick, even for US-bound flights. Arrive early to clear US customs before boarding.

IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap way to get to the city.

Our travel experts

Jessica Macdonald

Expert on Air Canada

Harriet Baskas

Expert on United Airlines

Kaitlyn McInnis

Expert on YYZ

Ramsey Qubein

Expert on IAD

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?

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 78 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, August 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 $309). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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?

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 54% on your trip compared to booking a flight in the evening.

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

Travelers seeking maximum savings on their Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport

The most flights from YYZ to IAD are scheduled on a Monday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (12 on average).

Reviews of airlines servicing Dulles Intl

Read reviews from past customers who have flown Delta, 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.

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,970 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,678 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,207 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 Air Canada. Our recent data shows that you can find tickets from as low as $181 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $220 and $237 round-trip. Air Canada is currently priced 36% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $123. United Airlines flights start at $135 while deals on Delta start at $138 one-way.
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: ANA (94%), Republic Airways (82%), Avianca (81%).
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 $123. While the most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl) can be booked for $164 on average our data indicates $373 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, August 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 $309). Flying from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

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Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

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Laurel

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National Harbor

Manassas

Dundalk

Bowie

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Top 2 airlines flying from Pearson Intl to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$172	Average$281	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$184	Average$264	FlexibilityNo cancel fee	On-time69%

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$123+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pearson Intl to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Saturday or Thursday and return on a Friday

Cheap flight deals from Pearson Intl to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Pearson Intl to Dulles Intl

Cheapest flights from Pearson Intl to Dulles IntlExplore 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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.

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

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

Airlines

Air Canada

United Airlines

Airports

YYZ

IAD

Our travel experts

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.

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 June 27, 2025.

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

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 July 3, 2025.

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 June 29, 2025.

Weekly flight availability from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport

Reviews of airlines servicing Dulles Intl

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.

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

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

What are the most reliable airlines 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?

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

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

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

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

Traveling to a place near Toronto Pearson Intl Airport?

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Alternative routes for Pearson Intl to Dulles Intl

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Top 2 airlines flying from Pearson Intl to Dulles Intl

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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 July 3, 2025.