Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport from C$ 154

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — IAD
16 Apr — 23 Apr1
1 adult

Cheapflights Tip: The best prices from Toronto Pearson Intl to Washington, D.C. Dulles Intl are usually found in January or February, booked 79 days in advance, depart on a Friday or Saturday and return on a Wednesday

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 11 April 2025.

Round-trip from

C$ 249

One-way from

C$ 154

Popular in

July

Cheapest in

January

Average price

C$ 463

Good round-trip deal

C$ 421 or less

Good one-way deal

C$ 233 or less
Air Canada
  • Air Canada
  • 7/5-13/5
  • Nonstop
  • 3h 16m total
  • Toronto to Washington, D.C.
Search Deals
Air Canada
  • Air Canada
  • 6/5
  • 1 total stop
  • 4h 14m total
  • Toronto to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 11 April 2025.

Wed 7/512:45 p.m.YYZ - IAD
Nonstop1h 34mAir Canada
Tue 13/53:27 p.m.IAD - YYZ
Nonstop1h 42mAir Canada
Deal found 10/4C$ 249
Sat 3/54:45 p.m.YYZ - IAD
1 stop4h 27mUnited Airlines
Sun 4/58:25 a.m.IAD - YYZ
Nonstop1h 39mUnited Airlines
Deal found 10/4C$ 256
Thu 29/53:50 p.m.YYZ - IAD
1 stop7h 04mDelta
Tue 3/69:40 a.m.IAD - YYZ
1 stop7h 35mDelta
Deal found 9/4C$ 298
Sun 25/52:30 p.m.YYZ - IAD
Nonstop1h 40mLufthansa
Sun 1/65:31 p.m.IAD - YYZ
1 stop5h 43mLufthansa
Deal found 10/4C$ 299
Sat 17/56:30 a.m.YYZ - IAD
1 stop5h 36mWestJet
Wed 21/59:40 a.m.IAD - YYZ
1 stop5h 20mWestJet
Deal found 10/4C$ 359
Fri 20/68:10 a.m.YYZ - IAD
Nonstop1h 27mMultiple Airlines
Mon 23/610:15 a.m.IAD - YYZ
Nonstop1h 36mMultiple Airlines
Deal found 10/4C$ 382
Thu 1/56:00 a.m.YYZ - IAD
1 stop7h 02mFrontier
Sun 4/55:26 p.m.IAD - YYZ
2 stops22h 12mFrontier
Deal found 10/4C$ 494

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 11 April 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

Wed 7/5

12:45 p.m.-2:19 p.m.

Nonstop1h 34m

Washington, D.C. Dulles Intl

Tue 13/5

12:40 p.m.-2:19 p.m.

Nonstop1h 39m

C$ 249

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 5/8

4:40 p.m.-11:15 a.m.

1 stop18h 35m

Washington, D.C. Dulles Intl

Wed 6/8

2:25 p.m.-4:01 p.m.

Nonstop1h 36m

C$ 258

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 29/5

3:50 p.m.-10:54 p.m.

1 stop7h 04m

Washington, D.C. Dulles Intl

Tue 3/6

9:40 a.m.-5:15 p.m.

1 stop7h 35m

C$ 298

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 25/5

2:30 p.m.-4:10 p.m.

Nonstop1h 40m

Washington, D.C. Dulles Intl

Sun 1/6

5:31 p.m.-11:14 p.m.

1 stop5h 43m

C$ 299

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 16/5

6:05 p.m.-10:54 p.m.

1 stop4h 49m

Washington, D.C. Dulles Intl

Wed 28/5

9:40 a.m.-5:15 p.m.

1 stop7h 35m

C$ 355

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Fri 20/6

8:10 a.m.-9:37 a.m.

Nonstop1h 27m

Washington, D.C. Dulles Intl

Mon 23/6

10:15 a.m.-11:51 a.m.

Nonstop1h 36m

C$ 382

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Thu 1/5

6:00 a.m.-1:02 p.m.

1 stop7h 02m

Washington, D.C. Dulles Intl

Sun 4/5

5:26 p.m.-3:38 p.m.

2 stops22h 12m

C$ 494

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Tue 6/5

7:00 a.m.-11:14 a.m.

1 stop4h 14m

C$ 154

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Mon 19/5

6:03 a.m.-11:45 a.m.

1 stop5h 42m

C$ 188

TorontoWashington, D.C.

YYZ - IAD

YYZIAD

Toronto Pearson Intl

Sun 4/5

12:45 p.m.-2:19 p.m.

Nonstop1h 34m

C$ 205

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 16 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 4 April 2025.

The best time to book flights from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport is 79 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 11 April 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 39% 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 30 March 2025.

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

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

Explore weekly flight availability from Pearson Intl to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 April 2025.

The most flights from YYZ to IAD are scheduled on a Monday (21 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

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 11 April 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and SWISS from Toronto to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Porter Airlines
8.0
Very good
280 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
Delta
8.0
Very good
7,910 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
SWISS
7.5
Good
1,575 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
United Airlines
7.4
Good
8,636 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
280 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Entertainment

6.9

Boarding

8.2

Comfort

8.0

Reviews

1 / 17
10.0
Excellent

Anonymous,Dec 2024

YYZ - LAS

Everything about the rescheduled (cost me $180) flight great. ***Being denied boarding because I was few minutes under 1.5 hours was not. Stuck at the Kiosk for about 15 minutes before it directed me to the Porter counter was strange. Do not know why checking in online at home was not successful? I think something was up...what can you do?

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?

    Air Canada, at C$ 249, 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 United Airlines and Delta. Air Canada is currently priced 41% 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?

    The cheapest airlines for a one-way flight from Toronto Pearson Intl Airport to Washington, D.C. Dulles Intl Airport are Air Canada (C$ 154), Delta (C$ 188), and United Airlines (C$ 205).

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

    Consider ANA (85%), Avianca (83%) or Copa Airlines (82%) 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$ 910, our data indicates the cheapest price to be C$ 177. The most popular route (Toronto Pearson Intl - Washington, D.C. Dulles Intl), is priced around C$ 256.

  • 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 Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Herndon
Warrenton
Arlington
Hanover
Fairfax
Bel Air
Chantilly
Winchester
Falls Church
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 11 April 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 231AverageC$ 322FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 277AverageC$ 454FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 278AverageC$ 439FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 329AverageC$ 409FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapestC$ 474AverageC$ 580FlexibilityNo 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.