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Cheap flights from Washington to Toronto from C$ 135

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
22 May — 29 May1
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 22 April 2026.

Fri 31/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Wed 12/88:00 a.m.
YYZ
-
PDX
1 stop8h 50m
WestJet
Deal found 21/4C$ 303
Fri 31/72:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Fri 7/89:00 a.m.
YYZ
-
PDX
1 stop7h 50m
WestJet
Deal found 21/4C$ 313
Sat 30/57:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Fri 5/612:00 p.m.
YYZ
-
SEA
1 stop9h 45m
WestJet
Deal found 20/4C$ 352
Tue 5/510:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Fri 8/51:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 21/4C$ 354
Fri 5/62:30 p.m.
PDX
-
YYZ
1 stop7h 35m
WestJet
Fri 12/67:00 a.m.
YYZ
-
PDX
1 stop9h 50m
WestJet
Deal found 21/4C$ 358
Thu 14/57:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Tue 19/512:00 p.m.
YYZ
-
SEA
1 stop9h 45m
WestJet
Deal found 19/4C$ 358
Fri 5/610:30 a.m.
SEA
-
YYZ
2 stops10h 29m
Multiple Airlines
Thu 11/612:30 a.m.
YYZ
-
SEA
2 stops12h 38m
Multiple Airlines
Deal found 21/4C$ 359
Sat 1/87:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Sat 8/812:00 p.m.
YYZ
-
SEA
1 stop9h 45m
WestJet
Deal found 21/4C$ 360
Fri 31/77:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Fri 7/83:50 p.m.
YYZ
-
SEA
1 stop8h 10m
WestJet
Deal found 22/4C$ 362
Sun 2/87:00 a.m.
SEA
-
YYZ
2 stops11h 10m
WestJet
Mon 10/812:00 p.m.
YYZ
-
SEA
2 stops12h 00m
WestJet
Deal found 21/4C$ 363
Mon 29/67:35 p.m.
SEA
-
YYZ
1 stop13h 20m
WestJet
Thu 23/73:50 p.m.
YYZ
-
SEA
1 stop8h 10m
WestJet
Deal found 21/4C$ 365
Sat 11/77:35 p.m.
SEA
-
YYZ
1 stop8h 20m
WestJet
Tue 14/71:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 21/4C$ 366

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 22 April 2026.

Round-trip from

C$ 303

One-way from

C$ 135

Popular in

June

Cheapest in

January

Average price

C$ 505

Good round-trip deal

C$ 135 or less

Good one-way deal

C$ 309 or less
WestJet
  • WestJet
  • 31/7-12/8
  • 2 total stops
  • 16h 25m total
  • Washington to Toronto
Search Deals
WestJet
  • WestJet
  • 31/7
  • 2 total stops
  • 11h 40m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 22 April 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

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 23/6

7:00 a.m.-5:15 p.m.

1 stop7h 15m

Hamilton

Wed 24/6

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

1 stop27h 35m

C$ 386

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 12/6

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

1 stop21h 15m

Toronto Region of Waterloo Intl

Fri 19/6

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

1 stop16h 00m

C$ 440
Quickest round-trip

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 2/6

7:59 a.m.-3:45 p.m.

Nonstop4h 46m

Toronto Pearson Intl

Sat 6/6

4:55 p.m.-7:19 p.m.

Nonstop5h 24m

C$ 456

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 5/6

9:35 a.m.-10:59 p.m.

1 stop10h 24m

Toronto Pearson Intl

Sun 7/6

2:29 p.m.-10:34 p.m.

1 stop11h 05m

C$ 459

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sat 16/5

11:00 p.m.-11:43 a.m.

1 stop9h 43m

Toronto Pearson Intl

Sat 23/5

5:16 p.m.-11:32 p.m.

1 stop9h 16m

C$ 459

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Mon 25/5

5:07 a.m.-9:32 p.m.

1 stop13h 25m

Toronto Pearson Intl

Thu 28/5

3:00 p.m.-11:44 p.m.

1 stop11h 44m

C$ 459

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 5/5

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Fri 8/5

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

1 stop27h 35m

C$ 466

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Fri 8/5

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Tue 12/5

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 468

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 26/6

5:00 p.m.-9:54 a.m.

1 stop13h 54m

Toronto Pearson Intl

Fri 18/9

1:00 p.m.-11:09 p.m.

1 stop13h 09m

C$ 483

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sat 9/5

7:35 p.m.-5:15 p.m.

1 stop18h 40m

Hamilton

Sat 16/5

6:10 p.m.-9:40 a.m.

1 stop18h 30m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/4

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, November is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 120). Flying from State of Washington to Toronto in June is currently the most expensive (average of C$ 225). 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 22 April 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 22 April 2026.

The most flights from USWA to YTO are scheduled on a Wednesday (5 on average). You will have fewer flight options on Tuesday, 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, Alaska Airlines, and Delta can get you from State of Washington to Toronto in just under 4h 46m. Your travel time can differ by up to 5h 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 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 Tahiti Nui (100%), Alaska Airlines (92%), Hawaiian Airlines (92%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 127. On average you can expect to pay C$ 374. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 375.

  • 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, November is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 120). Flying from State of Washington to Toronto in June is currently the most expensive (average of C$ 225). 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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Boston to Pearson Intl flights
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Los Angeles to Pierre Elliott Trudeau Intl flights
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Atlanta to Pearson Intl flights
Hobby to Pearson Intl flights
Orlando to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Boston to Toronto Island flights
San Francisco to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Baltimore to Pearson Intl flights
LaGuardia to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Philadelphia to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Baltimore to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Midway to Pearson Intl flights
Denver to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Charlotte to Pearson Intl flights
Raleigh to Pearson Intl flights
Los Angeles to Toronto Island flights
Detroit to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl 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 22 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 256AverageC$ 456FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 282AverageC$ 433FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 302AverageC$ 775FlexibilityNo cancel feeOn-time75%
Search Alaska 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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