Cheap flights from Washington to Toronto from C$ 120

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 22/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
6 Apr — 13 Apr1
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 7 March 2026.

Wed 29/410:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Tue 12/51:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 5/3C$ 297
Mon 27/410:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Thu 30/41:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 5/3C$ 304
Mon 27/410:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Tue 5/51:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 4/3C$ 305
Sat 28/37:55 a.m.
SEA
-
YYZ
Nonstop4h 40m
Multiple Airlines
Sun 5/47:30 p.m.
YYZ
-
SEA
Nonstop5h 23m
Multiple Airlines
Deal found 2/3C$ 308
Sat 28/310:10 a.m.
SEA
-
YYZ
1 stop8h 02m
Air Canada
Sun 5/47:30 p.m.
YYZ
-
SEA
Nonstop5h 23m
Air Canada
Deal found 3/3C$ 311
Sat 30/57:35 p.m.
SEA
-
YYZ
1 stop7h 10m
WestJet
Fri 5/612:00 p.m.
YYZ
-
SEA
2 stops9h 45m
WestJet
Deal found 4/3C$ 312
Sat 25/45:40 a.m.
SEA
-
YYZ
1 stop7h 16m
Multiple Airlines
Sat 2/51:30 p.m.
YYZ
-
SEA
1 stop8h 15m
Multiple Airlines
Deal found 5/3C$ 320
Sat 18/410:20 a.m.
SEA
-
YYZ
2 stops9h 09m
Air Canada
Sat 25/48:15 a.m.
YYZ
-
SEA
2 stops9h 50m
Air Canada
Deal found 4/3C$ 324
Sat 23/52:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Wed 27/57:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Deal found 4/3C$ 357
Tue 12/57:35 p.m.
SEA
-
YKF
1 stop21h 15m
WestJet
Sun 17/58:40 p.m.
YKF
-
SEA
1 stop16h 00m
WestJet
Deal found 4/3C$ 361
Tue 26/52:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Tue 2/69:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 5/3C$ 364
Sat 23/52:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Tue 26/59:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 4/3C$ 368

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 7 March 2026.

Round-trip from

C$ 297

One-way from

C$ 120

Popular in

June

Cheapest in

January

Average price

C$ 545

Good round-trip deal

C$ 884 or less

Good one-way deal

C$ 135 or less
WestJet
  • WestJet
  • 29/4-12/5
  • 2 total stops
  • 17h 30m total
  • Washington to Toronto
Alaska Airlines
  • Alaska Airlines
  • 21/4
  • Nonstop
  • 4h 40m total
  • Washington to Toronto
Highest demand for flights based on searches. 13% potential increase in price (C$ 114 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Washington to Toronto (YTO).
Price to beat on a one-way flight from Washington to Toronto (YTO).

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 7 March 2026.
Use the filters below to find and compare flights from Washington to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 13/4

10:35 p.m.-9:54 a.m.

1 stop8h 19m

Toronto Pearson Intl

Fri 17/4

1:00 p.m.-12:34 a.m.

1 stop14h 34m

C$ 408

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 1/4

3:10 p.m.-5:16 p.m.

1 stop23h 06m

Hamilton

Wed 8/4

6:10 p.m.-2:19 p.m.

1 stop23h 09m

C$ 418

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Thu 21/5

10:30 a.m.-5:15 p.m.

1 stop27h 45m

Hamilton

Mon 25/5

6:10 p.m.-6:45 p.m.

1 stop27h 35m

C$ 418

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 21/5

6:00 a.m.-9:55 p.m.

1 stop12h 55m

Toronto Pearson Intl

Thu 28/5

2:20 p.m.-10:48 p.m.

1 stop11h 28m

C$ 440

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 7/5

11:55 p.m.-12:19 p.m.

1 stop9h 24m

Toronto Pearson Intl

Sun 10/5

2:20 p.m.-10:48 p.m.

1 stop11h 28m

C$ 440

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 20/5

6:00 a.m.-9:55 p.m.

1 stop12h 55m

Toronto Pearson Intl

Sun 24/5

2:20 p.m.-10:48 p.m.

1 stop11h 28m

C$ 440

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 15/5

11:05 p.m.-11:19 a.m.

1 stop9h 14m

Toronto Pearson Intl

Mon 18/5

5:45 p.m.-12:12 a.m.

1 stop9h 27m

C$ 440

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 4/6

9:10 a.m.-11:14 p.m.

1 stop11h 04m

Toronto Pearson Intl

Sun 7/6

1:30 p.m.-12:06 a.m.

1 stop13h 36m

C$ 440

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 2/6

7:35 p.m.-7:50 p.m.

1 stop21h 15m

Toronto Region of Waterloo Intl

Tue 9/6

8:40 p.m.-6:45 p.m.

1 stop25h 05m

C$ 446

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Tue 2/6

5:00 a.m.-3:45 p.m.

1 stop7h 45m

Toronto Pearson Intl

Wed 10/6

4:55 p.m.-10:25 p.m.

1 stop8h 30m

C$ 447

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 180). Flying from State of Washington to Toronto in May is currently the most expensive (average of C$ 383). 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 7 March 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.

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?

    United Airlines, Delta, and WestJet can get you from State of Washington to Toronto in just under 8h 19m. Your travel time can differ by up to 12h 56m. 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$ 128 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from C$ 135 and C$ 136, respectively.

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

  • 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 (87%), Hawaiian Airlines (87%), Qatar Airways (87%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 128. On average you can expect to pay C$ 582. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 326.

  • 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, January is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 180). Flying from State of Washington to Toronto in May is currently the most expensive (average of C$ 383). 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.

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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 281AverageC$ 432FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 301AverageC$ 695FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 360AverageC$ 455FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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