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Cheap flights from Washington to Toronto from C$ 136

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap 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 29 January 2026.

Sat 28/28:00 a.m.
SEA
-
YYZ
Nonstop4h 43m
Air Canada
Sat 7/38:00 a.m.
YYZ
-
SEA
2 stops10h 01m
Air Canada
Deal found 27/1C$ 305
Sat 21/28:00 a.m.
SEA
-
YYZ
Nonstop4h 43m
Air Canada
Sat 28/28:00 a.m.
YYZ
-
SEA
1 stop9h 31m
Air Canada
Deal found 28/1C$ 308
Sat 21/28:00 a.m.
SEA
-
YYZ
Nonstop4h 43m
Multiple Airlines
Sat 28/24:45 p.m.
YYZ
-
SEA
Nonstop5h 33m
Multiple Airlines
Deal found 28/1C$ 316
Tue 17/37:55 a.m.
SEA
-
YYZ
Nonstop4h 40m
Multiple Airlines
Tue 7/47:45 a.m.
YYZ
-
SEA
1 stop9h 34m
Multiple Airlines
Deal found 28/1C$ 319
Wed 25/28:00 a.m.
SEA
-
YYZ
Nonstop4h 43m
Air Canada
Wed 4/38:00 a.m.
YYZ
-
SEA
2 stops14h 16m
Air Canada
Deal found 28/1C$ 320
Sat 23/57:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Thu 4/61:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 27/1C$ 326
Sat 2/57:35 p.m.
SEA
-
YYZ
1 stop7h 10m
WestJet
Sat 9/51:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 27/1C$ 329
Fri 10/48:41 a.m.
SEA
-
YKF
2 stops17h 48m
Multiple Airlines
Thu 16/46:20 a.m.
YKF
-
SEA
1 stop10h 59m
Multiple Airlines
Deal found 27/1C$ 357
Fri 13/35:40 a.m.
SEA
-
YTZ
2 stops9h 30m
Air Canada
Fri 20/312:30 p.m.
YTZ
-
SEA
2 stops13h 26m
Air Canada
Deal found 27/1C$ 377
Wed 22/43:10 p.m.
SEA
-
YKF
1 stop11h 19m
WestJet
Mon 27/48:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Deal found 29/1C$ 377
Tue 12/57:15 a.m.
SEA
-
YTZ
1 stop9h 37m
Air Canada
Sun 17/512:30 p.m.
YTZ
-
SEA
1 stop10h 07m
Air Canada
Deal found 27/1C$ 383
Wed 29/42:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Sun 3/56:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 28/1C$ 388

Find flight deals from Washington to Toronto

Keep the following information in mind while searching for Washington to Toronto flight deals. Data was last updated 29 January 2026.

Round-trip from

C$ 305

One-way from

C$ 136

Popular in

June

Cheapest in

January

Average price

C$ 365

Good round-trip deal

C$ 318 or less

Good one-way deal

C$ 111 or less
Air Canada
  • Air Canada
  • 28/2-7/3
  • 2 total stops
  • 14h 44m total
  • Washington to Toronto
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 18/2
  • Nonstop
  • 4h 40m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
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).
Search Deals

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 29 January 2026.
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 17/3

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

Nonstop4h 40m

Toronto Pearson Intl

Tue 7/4

7:45 a.m.-2:19 p.m.

1 stop9h 34m

C$ 319

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 2/5

10:30 a.m.-11:59 p.m.

2 stops10h 29m

Toronto Pearson Intl

Sat 9/5

1:30 p.m.-6:45 p.m.

1 stop8h 15m

C$ 331

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 1/5

11:14 p.m.-10:04 a.m.

1 stop7h 50m

Toronto Pearson Intl

Sat 2/5

12:57 p.m.-7:00 p.m.

1 stop9h 03m

C$ 372

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 29/3

8:09 a.m.-3:45 p.m.

Nonstop4h 36m

Toronto Pearson Intl

Mon 6/4

7:45 a.m.-2:19 p.m.

1 stop9h 34m

C$ 376

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Fri 13/3

5:40 a.m.-6:10 p.m.

2 stops9h 30m

Toronto Island

Fri 20/3

12:30 p.m.-10:56 p.m.

2 stops13h 26m

C$ 377

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 22/4

3:10 p.m.-5:29 a.m.

1 stop11h 19m

Toronto Region of Waterloo Intl

Mon 27/4

8:40 p.m.-9:40 a.m.

1 stop16h 00m

C$ 377

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Fri 1/5

7:15 a.m.-7:52 p.m.

1 stop9h 37m

Toronto Island

Sat 2/5

12:30 p.m.-7:37 p.m.

1 stop10h 07m

C$ 383

SeattleToronto

SEA - YTZ

SEAYTZ

Seattle/Tacoma Intl

Tue 12/5

7:15 a.m.-7:52 p.m.

1 stop9h 37m

Toronto Island

Sun 17/5

12:30 p.m.-7:37 p.m.

1 stop10h 07m

C$ 383

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 29/4

8:00 a.m.-3:54 p.m.

Nonstop4h 54m

Toronto Pearson Intl

Sun 3/5

12:00 p.m.-7:37 p.m.

1 stop10h 37m

C$ 384

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 27/2

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

Nonstop4h 40m

Toronto Pearson Intl

Sun 1/3

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

Nonstop5h 33m

C$ 387

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/1

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, April 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 December is currently the most expensive (average of C$ 381). 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 29 January 2026.

When flying from State of Washington to Toronto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 29 January 2026.

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

How much does it cost to fly round-trip from State of Washington to Toronto?

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?

    WestJet, United Airlines, and Air Canada can get you from State of Washington to Toronto in just under 7h 50m. Your travel time can differ by up to 2h 39m. 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$ 135 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from C$ 135 and C$ 151, 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: Air Canada (85%), United Airlines (85%), Alaska Airlines (83%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 111. On average you can expect to pay C$ 539. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 316.

  • 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, April 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 December is currently the most expensive (average of C$ 381). 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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Denver to Pearson Intl flights
Midway to Toronto Island flights
Charlotte to Pearson Intl flights
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Newark to Ottawa flights

Top 3 airlines flying from Washington to Toronto

Discover the top 3 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 280AverageC$ 383FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 300AverageC$ 770FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 358AverageC$ 518FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Washington to Toronto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from Washington today with Cheapflights!

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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