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Pearson Intl

$101+ Cheap flights from Washington to Pearson Intl (YYZ)

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYZ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Washington to Pearson Intl

Keep the following information in mind while searching for Washington to Pearson Intl flight deals. Data was last updated October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$101
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$442

Good round-trip deal

$342 or less

Good one-way deal

$262 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.
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From Washington to Toronto Pearson Intl
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One-way flight from Washington to Toronto Pearson Intl
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Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Washington to Toronto Pearson Intl.
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Price to beat on a one-way flight from Washington to Toronto Pearson Intl.
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Find flight deals from Washington to Pearson Intl

Cheapest flights from Washington to Pearson Intl
Explore the most affordable flight options available from Washington to Pearson Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:57 amSEA - YYZ
Nonstop4h 38mAlaska Airlines
Tue 12/24:45 pmYYZ - SEA
Nonstop5h 33mAlaska Airlines
Deal found 10/27$229
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2911:55 amSEA - YYZ
2 stops8h 44mWestJet
Tue 12/27:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/27$232
This Trip.com deal was found by Cheapflights users on 10/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:10 pmSEA - YYZ
2 stops11h 48mWestJet
Tue 12/167:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/27$239
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/43:10 pmSEA - YYZ
2 stops11h 48mWestJet
Sun 12/77:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/28$243
This Kiwi.com deal was found by Cheapflights users on 10/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:57 amSEA - YYZ
Nonstop4h 38mMultiple Airlines
Tue 12/27:45 amYYZ - SEA
1 stop9h 35mMultiple Airlines
Deal found 10/27$245
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/63:20 pmSEA - YYZ
2 stops11h 38mMultiple Airlines
Sat 12/137:50 pmYYZ - SEA
Nonstop5h 26mMultiple Airlines
Deal found 10/28$246
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:55 amSEA - YYZ
2 stops8h 44mMultiple Airlines
Mon 11/244:45 pmYYZ - SEA
Nonstop5h 32mMultiple Airlines
Deal found 10/30$247
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/298:10 amSEA - YYZ
Nonstop4h 43mAir Canada
Sat 12/67:50 pmYYZ - SEA
Nonstop5h 26mAir Canada
Deal found 10/30$248
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:55 amSEA - YYZ
1 stop16h 03mWestJet
Tue 12/27:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/29$249
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:57 amSEA - YYZ
Nonstop4h 38mAlaska Airlines
Wed 12/34:45 pmYYZ - SEA
Nonstop5h 33mAlaska Airlines
Deal found 10/29$251
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/1111:12 pmPDX - YYZ
1 stop9h 36mUnited Airlines
Wed 11/123:45 pmYYZ - PDX
1 stop10h 00mUnited Airlines
Deal found 10/27$317
This Air Canada deal was found by Cheapflights users on 10/28. 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 11/129:50 amPDX - YYZ
1 stop8h 04mAir Canada
Wed 11/199:00 amYYZ - PDX
1 stop8h 40mAir Canada
Deal found 10/28$326

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Pearson 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 October 30, 2025.
Use the filters below to find and compare flights from Washington to Toronto Pearson Intl Airport that are best for you.

Fly from

Washington

Fly to

Pearson Intl

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 11/25

7:57 am-3:35 pm

Nonstop4h 38m

Toronto Pearson Intl

Mon 12/8

4:45 pm-7:18 pm

Nonstop5h 33m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 11/19

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Fri 11/21

4:45 pm-7:17 pm

Nonstop5h 32m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 11/19

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Thu 11/20

4:45 pm-7:05 pm

Nonstop5h 20m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 3/10

8:00 am-3:35 pm

Nonstop4h 35m

Toronto Pearson Intl

Wed 3/11

4:45 pm-7:05 pm

Nonstop5h 20m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 11/17

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Wed 11/19

4:45 pm-7:05 pm

Nonstop5h 20m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 1/12

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Fri 1/16

4:45 pm-7:21 pm

Nonstop5h 36m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 11/28

7:57 am-3:35 pm

Nonstop4h 38m

Toronto Pearson Intl

Thu 12/4

4:45 pm-7:18 pm

Nonstop5h 33m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 12/11

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

Sun 12/14

4:45 pm-7:18 pm

Nonstop5h 33m

$283

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 3/10

6:05 am-4:00 pm

1 stop6h 55m

Toronto Pearson Intl

Wed 3/11

5:10 pm-11:35 pm

1 stop9h 25m

$319

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 11/19

6:00 am-5:15 pm

1 stop8h 15m

Toronto Pearson Intl

Fri 11/21

5:10 pm-12:01 am

1 stop9h 51m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 59 results
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Best time to book a flight from Washington to Pearson Intl

Have a flexible travel schedule? Discover the best time to fly to Pearson Intl from Washington 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 Washington to Toronto Pearson Intl Airport

What is the cheapest month to book a flight from State of Washington to Toronto Pearson Intl Airport?

Currently, March is the cheapest month in which you can book a flight from State of Washington to Toronto Pearson Intl Airport (average of $121). Flying from State of Washington to Toronto Pearson Intl Airport in May is currently the most expensive (average of $271). 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 WA to YYZ?

Find hourly flight availability from Washington to Pearson Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

One of the essential ways to save on airfare from State of Washington to Toronto Pearson Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

What is the cheapest day to fly from State of Washington to Toronto Pearson Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington to Pearson Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Toronto Pearson Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Washington to Pearson 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 State of Washington to Toronto Pearson Intl Airport?

    Alaska Airlines, United Airlines, and Delta can get you from State of Washington to Toronto Pearson Intl Airport in just under 4h 38m. Your travel time can differ by up to 6h 24m. Airlines will cover a distance of 2054 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Toronto Pearson Intl Airport one-way?

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $101. Air Canada flights start at $138 while deals on Delta start at $143 one-way.

  • What are the most popular routes from State of Washington to Toronto Pearson Intl Airport?

    The most popular route from State of Washington to Toronto Pearson Intl Airport is Seattle/Tacoma Intl - Toronto Pearson Intl. You may also consider Portland - Toronto Pearson Intl or Spokane - Toronto Pearson Intl.

  • What are the most reliable airlines from State of Washington to Toronto Pearson Intl Airport?

    The top 3 most reliable airlines when flying from State of Washington to Toronto Pearson Intl Airport are Qatar Airways (97%), Alaska Airlines (97%) and Air Tahiti Nui (96%).

  • What are the cheapest flights from State of Washington to Toronto Pearson Intl Airport?

    While on average a flight from State of Washington to Toronto Pearson Intl Airport is generally $1,025, our data shows the cheapest flight currently is $111. When looking at the most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), you can expect to pay $223 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Pearson 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 State of Washington to Toronto Pearson Intl Airport?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Toronto Pearson Intl Airport (average of $121). Flying from State of Washington to Toronto Pearson Intl Airport in May is currently the most expensive (average of $271). 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 Toronto Pearson Intl Airport?

Book flights to Toronto Pearson Intl Airport if you plan to visit one of these locations
Brampton
Kitchener
Markham
Collingwood
Oakville
Brantford
Pickering
Lindsay
Peterborough
Barrie
Cambridge
Milton
Oshawa
Burlington
Owen Sound
Ajax
Orillia
Vaughan
Richmond Hill
Gravenhurst

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Alternative routes for Washington to Pearson Intl

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Pearson Intl flights
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O'Hare Intl to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
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Atlanta to Pearson Intl flights
Seattle to Pearson Intl flights
Minneapolis to Pearson Intl flights
Dulles Intl to Toronto Island flights
John F Kennedy Intl to Toronto Island flights
Sky Harbor Intl to Pearson Intl flights
Los Angeles to Toronto Island flights
Fort Lauderdale to Pearson Intl flights
Baltimore to Pearson Intl flights
Hobby to Pearson Intl flights
Ontario to Pearson Intl flights
Orlando to Pearson Intl flights
Midway to Toronto Island flights
Denver to Pearson Intl flights
Philadelphia to Pearson Intl flights
Tampa to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
San Francisco to Toronto Island flights
Raleigh to Pearson Intl flights
Charlotte to Pearson Intl flights
San Diego to Pearson Intl flights
LaGuardia to Toronto Island flights
Midway to Pearson Intl flights
Nashville to Pearson Intl flights
Miami to Pearson Intl flights
Austin to Pearson Intl flights
O'Hare Intl to Toronto Island flights
Fort Lauderdale to Toronto Island flights
Cincinnati to Pearson Intl flights
Orlando to Toronto Island flights
Atlanta to Toronto Island flights
Love Field to Pearson Intl flights
Las Vegas to Pearson Intl flights
Dallas/Fort Worth to Toronto Island flights
Fort Myers to Pearson Intl flights
Miami to Toronto Island flights
Reagan-National to Toronto Island flights
Santa Ana to Pearson Intl flights

Top 5 airlines flying from Washington to Pearson Intl

Discover the top 5 airlines that operate flights from Washington to Pearson 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$165Average$444FlexibilityNo cancel feeOn-time67%
DeltaCheapest$170Average$402FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$222Average$300FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$273Average$488FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$301Average$479FlexibilityNo cancel feeOn-time69%

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