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Cheap flights from Washington to Toronto from C$ 127

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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 17 September 2025.

Round-trip from

C$ 315

One-way from

C$ 127

Popular in

June

Cheapest in

January

Average price

C$ 565

Good round-trip deal

C$ 605 or less

Good one-way deal

C$ 290 or less
WestJet
  • WestJet
  • 14/10-21/10
  • 2 total stops
  • 17h 34m total
  • Washington to Toronto
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WestJet
  • WestJet
  • 24/10
  • 1 total stop
  • 7h 50m 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).
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Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington to Toronto (YTO).
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Price to beat on a one-way flight from Washington to Toronto (YTO).
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Find flight deals from Washington to Toronto

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 17 September 2025.

Tue 14/102:05 p.m.SEA - YHM
1 stop7h 35mWestJet
Tue 21/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 16/9C$ 315
Sun 12/108:40 a.m.SEA - YHM
1 stop13h 00mWestJet
Wed 15/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 15/9C$ 323
Wed 8/108:40 a.m.SEA - YYZ
1 stop12h 42mWestJet
Sun 12/106:45 a.m.YYZ - SEA
1 stop8h 50mWestJet
Deal found 17/9C$ 347
Tue 7/102:05 p.m.SEA - YYZ
2 stops12h 46mWestJet
Wed 15/108:00 a.m.YYZ - SEA
1 stop7h 59mWestJet
Deal found 17/9C$ 348
Tue 14/102:05 p.m.SEA - YHM
2 stops30h 43mMultiple Airlines
Tue 21/106:00 a.m.YHM - SEA
1 stop9h 59mMultiple Airlines
Deal found 16/9C$ 348
Tue 7/107:05 a.m.SEA - YYZ
1 stop7h 17mWestJet
Sat 18/1012:00 p.m.YYZ - SEA
2 stops10h 21mWestJet
Deal found 17/9C$ 349
Tue 14/102:05 p.m.SEA - YYZ
2 stops12h 46mWestJet
Wed 15/108:00 a.m.YYZ - SEA
1 stop7h 59mWestJet
Deal found 17/9C$ 351
Wed 15/101:50 p.m.SEA - YHM
1 stop7h 50mWestJet
Tue 21/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 17/9C$ 351
Wed 1/108:40 a.m.SEA - YYZ
1 stop12h 42mWestJet
Sun 5/106:45 a.m.YYZ - SEA
1 stop8h 50mWestJet
Deal found 16/9C$ 352
Mon 29/98:40 a.m.SEA - YYZ
2 stops12h 51mWestJet
Thu 2/108:00 p.m.YYZ - SEA
2 stops19h 35mWestJet
Deal found 15/9C$ 354
Tue 21/107:05 a.m.SEA - YHM
1 stop14h 35mWestJet
Sat 25/106:00 a.m.YHM - SEA
1 stop9h 59mWestJet
Deal found 15/9C$ 354
Fri 28/113:10 p.m.SEA - YKF
1 stop11h 18mWestJet
Mon 1/126:20 a.m.YKF - SEA
1 stop11h 00mWestJet
Deal found 16/9C$ 354

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 17 September 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

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Tue 14/10

2:05 p.m.-12:40 a.m.

1 stop7h 35m

Hamilton

Tue 21/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 315

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Sun 12/10

8:40 a.m.-12:40 a.m.

1 stop13h 00m

Hamilton

Wed 15/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 323

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 14/10

2:05 p.m.-5:51 a.m.

2 stops12h 46m

Toronto Pearson Intl

Wed 15/10

8:00 a.m.-12:59 p.m.

1 stop7h 59m

C$ 351

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

Wed 8/10

8:40 a.m.-12:40 a.m.

1 stop13h 00m

Hamilton

Wed 15/10

6:00 a.m.-12:59 p.m.

1 stop9h 59m

C$ 362

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 19/10

7:18 a.m.-3:00 p.m.

Nonstop4h 42m

Toronto Pearson Intl

Sat 1/11

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

C$ 367

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 26/11

7:57 a.m.-3:35 p.m.

Nonstop4h 38m

Toronto Pearson Intl

Tue 2/12

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

Nonstop5h 33m

C$ 367

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 20/11

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

Nonstop4h 40m

Toronto Pearson Intl

Sun 23/11

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

Nonstop5h 32m

C$ 376

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Sun 9/11

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

Nonstop4h 40m

Toronto Pearson Intl

Thu 13/11

4:45 p.m.-7:05 p.m.

Nonstop5h 20m

C$ 376

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 29/10

7:00 a.m.-11:59 p.m.

1 stop13h 59m

Toronto Pearson Intl

Wed 5/11

4:10 p.m.-9:13 p.m.

1 stop8h 03m

C$ 380

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Sun 9/11

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

1 stop11h 18m

Toronto Region of Waterloo Intl

Thu 13/11

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

1 stop11h 00m

C$ 380

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

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, January is the cheapest month in which you can book a flight from State of Washington to Toronto (average of C$ 169). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 258). 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 17 September 2025.

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 17 September 2025.

The most flights from USWA to YTO are scheduled on a Tuesday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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?

    WestJet, Alaska Airlines, and Air Canada can get you from State of Washington to Toronto in just under 4h 42m. Your travel time can differ by up to 4h 52m. 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$ 127 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from C$ 166 and C$ 183, 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 Portland - Toronto Pearson Intl or Seattle/Tacoma Intl - Toronto Island.

  • 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: Qatar Airways (96%), 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$ 149. On average you can expect to pay C$ 812. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 307.

  • 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$ 169). Flying from State of Washington to Toronto in July is currently the most expensive (average of C$ 258). 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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Newark to Toronto Island flights
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Hobby to Pearson Intl flights
Seattle to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Dulles Intl to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Baltimore to Pearson Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Midway to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Nashville to Pearson Intl flights
Raleigh to Pearson Intl flights
Miami to Pearson Intl flights
San Diego to Pearson Intl flights
Tampa to Pearson Intl flights
Austin to Pearson Intl flights
Charlotte to Pearson Intl flights
Dallas/Fort Worth to Toronto Island flights
Orlando to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Raleigh to Pierre Elliott Trudeau 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 190AverageC$ 525FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 322AverageC$ 388FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 390AverageC$ 781FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 478AverageC$ 634FlexibilityNo 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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