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Cheap flights from Washington to Toronto from C$ 132

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
13 Dec — 20 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Washington to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Washington to Toronto
Explore the most affordable flight options available from Washington to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 November 2025.

Tue 2/123:10 p.m.SEA - YYZ
2 stops12h 48mMultiple Airlines
Wed 3/124:45 p.m.YYZ - SEA
Nonstop5h 33mMultiple Airlines
Deal found 10/11C$ 352
Tue 2/123:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Wed 3/1210:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Deal found 10/11C$ 353
Wed 10/123:10 p.m.SEA - YYZ
2 stops11h 48mWestJet
Thu 11/128:45 p.m.YYZ - SEA
1 stop16h 37mWestJet
Deal found 12/11C$ 357
Fri 5/123:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Mon 8/126:30 p.m.YYZ - SEA
2 stops22h 50mWestJet
Deal found 10/11C$ 360
Sat 29/1111:55 a.m.SEA - YYZ
2 stops8h 44mWestJet
Wed 3/1210:15 p.m.YYZ - SEA
1 stop19h 05mWestJet
Deal found 13/11C$ 361
Thu 27/113:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Tue 2/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 10/11C$ 364
Wed 3/123:15 p.m.SEA - YYZ
1 stop28h 56mWestJet
Sun 7/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 11/11C$ 368
Thu 27/113:15 p.m.PDX - YYZ
2 stops11h 23mAir Canada
Thu 4/128:00 a.m.YYZ - PDX
2 stops9h 40mAir Canada
Deal found 11/11C$ 370
Sat 22/1111:55 a.m.SEA - YYZ
2 stops8h 44mWestJet
Fri 5/128:45 p.m.YYZ - SEA
1 stop16h 37mWestJet
Deal found 11/11C$ 370
Thu 4/123:10 p.m.SEA - YYZ
1 stop18h 18mWestJet
Mon 8/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 10/11C$ 371
Thu 4/123:10 p.m.SEA - YYZ
2 stops12h 48mWestJet
Sun 7/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 11/11C$ 373
Fri 5/1211:55 a.m.SEA - YYZ
2 stops15h 03mWestJet
Sun 7/127:45 a.m.YYZ - SEA
1 stop9h 35mWestJet
Deal found 10/11C$ 375

Cheap flight deals from Washington to Toronto

Keep the following information in mind while searching for Washington to Toronto flight deals. Data was last updated 13 November 2025.

Round-trip from

C$ 352

One-way from

C$ 132

Popular in

June

Cheapest in

February

Average price

C$ 409

Good round-trip deal

C$ 411 or less

Good one-way deal

C$ 186 or less
Alaska Airlines
  • Alaska Airlines
  • 3/3-4/3
  • Nonstop
  • 10h 13m total
  • Washington to Toronto
Search Deals
WestJet
  • WestJet
  • 11/12
  • 2 total stops
  • 12h 48m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 142 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Washington to Toronto (YTO).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Toronto 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 13 November 2025.
Use the filters below to find and compare flights from Washington to Toronto that are best for you.

Fly from

Washington

Fly to

Toronto

Route

Depart

Return

Price

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 24/2

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Thu 26/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 366

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 28/1

3:10 p.m.-5:28 a.m.

1 stop11h 18m

Toronto Region of Waterloo Intl

Sat 31/1

7:00 p.m.-2:19 p.m.

1 stop22h 19m

C$ 367

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 24/2

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Sat 28/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 381

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 14/1

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Sun 18/1

4:45 p.m.-7:17 p.m.

Nonstop5h 32m

C$ 381

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 22/2

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Thu 26/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 381

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 22/2

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Mon 23/2

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 381

SpokaneToronto

GEG - YYZ

GEGYYZ

Spokane

Thu 29/1

5:45 a.m.-3:35 p.m.

1 stop6h 50m

Toronto Pearson Intl

Mon 2/2

4:45 p.m.-11:04 p.m.

1 stop9h 19m

C$ 402

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 12/3

7:55 a.m.-3:35 p.m.

Nonstop4h 40m

Toronto Pearson Intl

Fri 13/3

4:45 p.m.-7:18 p.m.

Nonstop5h 33m

C$ 412

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 3/3

11:45 p.m.-11:48 a.m.

1 stop9h 03m

Toronto Pearson Intl

Wed 4/3

3:30 p.m.-10:43 p.m.

1 stop10h 13m

C$ 413

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 9/1

3:10 p.m.-5:28 a.m.

1 stop11h 18m

Toronto Region of Waterloo Intl

Mon 12/1

6:20 a.m.-2:20 p.m.

1 stop11h 00m

C$ 413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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Best time to book a flight from Washington to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto 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

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

Currently, March is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 170). Flying from State of Washington to Toronto in May is currently the most expensive (average of C$ 380). 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 YTO?

Find hourly flight availability from Washington to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 November 2025.

It’s typically best to fly out from State of Washington to Toronto in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

Weekly flight availability from State of Washington to Toronto

Explore weekly flight availability from Washington to Toronto. 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 13 November 2025.

The most flights from USWA to YTO are scheduled on a Monday (6 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Related info for your journey

Find useful and relevant information for your journey from Washington to Toronto. 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?

    Alaska Airlines, WestJet, and United Airlines can get you from State of Washington to Toronto in just under 4h 40m. Your travel time can differ by up to 6h 38m. There are 3306 km between State of Washington and Toronto. Both multi-stop and direct flights can be found to your destination and back.

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

    C$ 132 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Alaska Airlines and Air Canada, with prices starting from C$ 142 and C$ 200, respectively.

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

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

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

    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 State of Washington to Toronto on time: Alaska Airlines (98%), Qatar Airways (97%), Hawaiian Airlines (96%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 155. On average you can expect to pay C$ 675. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 300.

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

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

  • How can I find direct flights from Washington to Toronto?

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

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

    Yes. Cheapflights offers flight deals from Washington to Toronto 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?

    Currently, March is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 170). Flying from State of Washington to Toronto in May is currently the most expensive (average of C$ 380). 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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Alternative routes for Washington to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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Dallas/Fort Worth to Pearson Intl flights
Boston to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Hobby to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Seattle to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Nashville to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Baltimore to Pearson Intl flights
Orlando to Pearson Intl flights
Philadelphia to Pearson Intl flights
Midway to Toronto Island flights
Miami to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
Orlando to Pierre Elliott Trudeau Intl flights
Newark to Ottawa flights
Raleigh to Pearson Intl flights
Tampa to Pearson Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Fort Myers to Pearson Intl flights

Top 4 airlines flying from Washington to Toronto

Discover the top 4 airlines that operate flights from Washington to Toronto. 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 13 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 289AverageC$ 396FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 327AverageC$ 570FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 374AverageC$ 743FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 486AverageC$ 546FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Toronto?

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Why should you use Cheapflights to find cheap flight tickets from Washington to Toronto?

Millions of users choose and trust Cheapflights to book the best flight deals from Washington to Toronto for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Washington to Toronto with no change fees?

Yes, we can. To see specific flights from Washington to Toronto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington to Toronto become cheaper?

Yes! Start tracking prices for Washington to Toronto flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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