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Cheap flights from Washington to Toronto from C$ 128

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
5 Jun — 12 Jun1
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 6 May 2026.

Fri 15/510:30 a.m.
SEA
-
YYZ
2 stops10h 29m
WestJet
Tue 19/510:25 p.m.
YYZ
-
SEA
1 stop23h 20m
WestJet
Deal found 1/5C$ 380
Thu 16/710:30 a.m.
SEA
-
YYZ
2 stops10h 29m
WestJet
Sun 16/810:20 p.m.
YYZ
-
SEA
2 stops14h 20m
WestJet
Deal found 5/5C$ 381
Fri 24/77:00 a.m.
SEA
-
YYZ
2 stops11h 10m
WestJet
Sat 1/82:50 p.m.
YYZ
-
SEA
1 stop9h 10m
WestJet
Deal found 5/5C$ 383
Fri 17/710:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Sun 26/76:10 a.m.
YYZ
-
SEA
2 stops15h 35m
WestJet
Deal found 4/5C$ 384
Wed 27/510:30 a.m.
SEA
-
YYZ
1 stop7h 45m
WestJet
Mon 8/65:20 p.m.
YYZ
-
SEA
2 stops19h 20m
WestJet
Deal found 2/5C$ 385
Thu 21/510:30 a.m.
SEA
-
YYZ
1 stop11h 35m
WestJet
Mon 1/61:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 4/5C$ 387
Mon 13/77:35 p.m.
SEA
-
YYZ
1 stop7h 10m
WestJet
Wed 15/72:50 p.m.
YYZ
-
SEA
1 stop9h 10m
WestJet
Deal found 5/5C$ 388
Tue 2/610:30 a.m.
SEA
-
YYZ
1 stop9h 15m
WestJet
Thu 4/61:30 p.m.
YYZ
-
SEA
1 stop8h 15m
WestJet
Deal found 5/5C$ 389
Thu 9/710:30 a.m.
SEA
-
YYZ
1 stop10h 40m
WestJet
Tue 11/82:50 p.m.
YYZ
-
SEA
1 stop9h 10m
WestJet
Deal found 4/5C$ 391
Wed 15/710:30 a.m.
SEA
-
YYZ
1 stop7h 45m
WestJet
Wed 29/710:20 p.m.
YYZ
-
SEA
2 stops14h 20m
WestJet
Deal found 6/5C$ 392
Tue 26/57:35 p.m.
SEA
-
YYZ
1 stop7h 10m
WestJet
Sun 31/59:00 a.m.
YYZ
-
SEA
1 stop12h 45m
WestJet
Deal found 2/5C$ 394
Sat 22/82:30 p.m.
PDX
-
YYZ
2 stops11h 40m
WestJet
Sun 30/86:10 a.m.
YYZ
-
PDX
2 stops10h 40m
WestJet
Deal found 5/5C$ 395

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 6 May 2026.

Round-trip from

C$ 380

One-way from

C$ 128

Popular in

June

Cheapest in

January

Average price

C$ 575

Good round-trip deal

C$ 255 or less

Good one-way deal

C$ 290 or less
WestJet
  • WestJet
  • 22/6-28/6
  • 3 total stops
  • 21h 30m total
  • Washington to Toronto
Search Deals
WestJet
  • WestJet
  • 15/7
  • 1 total stop
  • 7h 35m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 6 May 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

Wed 3/6

11:02 a.m.-9:32 p.m.

1 stop7h 30m

Toronto Pearson Intl

Mon 8/6

9:00 p.m.-9:40 a.m.

1 stop15h 40m

C$ 473

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sun 19/7

10:40 p.m.-5:56 p.m.

1 stop16h 16m

Toronto Pearson Intl

Sun 26/7

9:00 p.m.-9:34 a.m.

1 stop15h 34m

C$ 493

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Sat 8/8

11:40 p.m.-9:54 a.m.

1 stop7h 14m

Toronto Pearson Intl

Sat 15/8

6:30 a.m.-11:00 p.m.

1 stop19h 30m

C$ 493

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 1/7

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

1 stop21h 15m

Toronto Region of Waterloo Intl

Sun 5/7

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

1 stop16h 00m

C$ 509

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Mon 22/6

10:40 p.m.-9:54 a.m.

1 stop8h 14m

Toronto Pearson Intl

Tue 14/7

9:00 p.m.-9:34 a.m.

1 stop15h 34m

C$ 522

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

Wed 17/6

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

1 stop16h 00m

C$ 523

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Fri 18/9

10:55 p.m.-1:25 p.m.

1 stop11h 30m

Toronto Pearson Intl

Sun 20/9

1:30 p.m.-10:11 p.m.

1 stop11h 41m

C$ 531

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 17/9

10:55 p.m.-1:25 p.m.

1 stop11h 30m

Toronto Pearson Intl

Sun 20/9

12:30 p.m.-8:15 p.m.

1 stop10h 45m

C$ 531

PortlandToronto

PDX - YYZ

PDXYYZ

Portland

Thu 17/9

10:50 p.m.-7:00 p.m.

1 stop17h 10m

Toronto Pearson Intl

Sun 20/9

7:00 a.m.-11:35 a.m.

1 stop7h 35m

C$ 531

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 24/6

7:00 a.m.-7:50 p.m.

1 stop9h 50m

Toronto Region of Waterloo Intl

Sun 28/6

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

1 stop16h 00m

C$ 537

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

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

How far ahead should I book a flight from State of Washington to Toronto?

To ensure you get the cheapest price possible for a flight from State of Washington to Toronto, you should look to book at least 66 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 6 May 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 6 May 2026.

The most flights from USWA to YTO are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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?

    United Airlines, Delta, and WestJet can get you from State of Washington to Toronto in just under 7h 30m. Your travel time can differ by up to 3h 55m. 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$ 126 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 Air Canada and WestJet, with prices starting from C$ 130 and C$ 139, 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 Seattle/Tacoma Intl - Hamilton.

  • 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 (97%), United Airlines (97%), Brussels Airlines (95%).

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

    The cheapest flight price from State of Washington to Toronto is C$ 135. On average you can expect to pay C$ 487. The most popular route, (Seattle/Tacoma Intl - Toronto Pearson Intl), can usually be booked for C$ 325.

  • 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.
Newark to Toronto Island flights
Newark to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
LaGuardia to Pearson Intl flights
Dulles Intl to Pearson Intl flights
Los Angeles to Pearson Intl flights
Reagan-National to Pearson Intl flights
San Francisco to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Pearson Intl flights
Boston to Toronto Island flights
Seattle to Pearson Intl flights
Dulles Intl to Toronto Island flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
LaGuardia to Toronto Island flights
Baltimore to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Atlanta to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Hobby to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Newark to Hamilton flights
San Francisco to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Philadelphia to Pearson Intl flights
Los Angeles to Toronto Island flights
Raleigh to Pearson Intl flights
Midway to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
Ontario to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Reagan-National to Toronto Island 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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 255AverageC$ 450FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 281AverageC$ 432FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 301AverageC$ 694FlexibilityNo 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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