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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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
23 Feb — 2 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 24 January 2026.

Sat 28/28:00 a.m.
SEA
-
YYZ
Nonstop4h 43m
Air Canada
Sat 7/37:50 p.m.
YYZ
-
SEA
Nonstop5h 26m
Air Canada
Deal found 23/1C$ 304
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 23/1C$ 305
Wed 29/47:05 a.m.
SEA
-
YYZ
1 stop7h 17m
WestJet
Sun 10/58:00 a.m.
YYZ
-
SEA
1 stop8h 08m
WestJet
Deal found 22/1C$ 327
Wed 13/57:05 a.m.
SEA
-
YYZ
1 stop8h 47m
WestJet
Sun 17/51:30 p.m.
YYZ
-
SEA
1 stop9h 58m
WestJet
Deal found 22/1C$ 330
Mon 2/33:10 p.m.
SEA
-
YYZ
2 stops11h 48m
WestJet
Tue 10/37:45 a.m.
YYZ
-
SEA
1 stop9h 34m
WestJet
Deal found 21/1C$ 333
Wed 29/42:05 p.m.
SEA
-
YKF
1 stop7h 40m
WestJet
Sun 10/56:00 a.m.
YKF
-
SEA
1 stop10h 08m
WestJet
Deal found 22/1C$ 351
Fri 15/52:05 p.m.
SEA
-
YKF
1 stop7h 40m
WestJet
Mon 18/56:00 a.m.
YKF
-
SEA
1 stop10h 08m
WestJet
Deal found 21/1C$ 352
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 22/1C$ 373
Fri 15/57:05 a.m.
SEA
-
YHM
1 stop7h 05m
WestJet
Mon 18/56:10 p.m.
YHM
-
SEA
1 stop29h 18m
WestJet
Deal found 21/1C$ 378
Sat 2/57:05 a.m.
SEA
-
YHM
1 stop7h 05m
WestJet
Sun 10/56:10 p.m.
YHM
-
SEA
1 stop21h 58m
WestJet
Deal found 23/1C$ 381
Tue 10/39:50 a.m.
PDX
-
YYZ
2 stops10h 06m
Air Canada
Tue 17/38:00 a.m.
YYZ
-
PDX
2 stops9h 40m
Air Canada
Deal found 23/1C$ 385
Fri 15/57:15 a.m.
SEA
-
YTZ
1 stop9h 37m
Air Canada
Mon 18/512:30 p.m.
YTZ
-
SEA
1 stop10h 07m
Air Canada
Deal found 21/1C$ 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 24 January 2026.

Round-trip from

C$ 304

One-way from

C$ 127

Popular in

June

Cheapest in

January

Average price

C$ 366

Good round-trip deal

C$ 323 or less

Good one-way deal

C$ 127 or less
Air Canada
  • Air Canada
  • 28/2-7/3
  • Nonstop
  • 10h 09m total
  • Washington to Toronto
Search Deals
3/3
  • 3/3
  • 3 total stops
  • 25h 05m total
  • Washington to Toronto
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 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 24 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 3/3

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

Nonstop4h 40m

Toronto Pearson Intl

Tue 10/3

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

Nonstop5h 33m

C$ 347

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 4/3

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

Nonstop4h 40m

Toronto Pearson Intl

Tue 10/3

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

Nonstop5h 33m

C$ 347

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 4/3

5:00 a.m.-3:02 p.m.

1 stop7h 02m

Toronto Pearson Intl

Wed 4/3

5:30 p.m.-10:43 p.m.

1 stop8h 13m

C$ 348

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 29/4

2:05 p.m.-12:45 a.m.

1 stop7h 40m

Toronto Region of Waterloo Intl

Sun 10/5

6:00 a.m.-1:08 p.m.

1 stop10h 08m

C$ 351

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 24/4

7:55 a.m.-3:45 p.m.

Nonstop4h 50m

Toronto Pearson Intl

Sat 25/4

4:55 p.m.-7:23 p.m.

Nonstop5h 28m

C$ 362

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Wed 11/3

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

Nonstop4h 40m

Toronto Pearson Intl

Mon 16/3

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

Nonstop5h 33m

C$ 362

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Fri 24/4

7:55 a.m.-3:45 p.m.

Nonstop4h 50m

Toronto Pearson Intl

Wed 29/4

4:55 p.m.-7:23 p.m.

Nonstop5h 28m

C$ 362

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$ 373

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Tue 21/4

3:40 p.m.-5:34 a.m.

2 stops10h 54m

Toronto Pearson Intl

Mon 27/4

7:30 p.m.-9:51 p.m.

Nonstop5h 21m

C$ 376

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

Thu 23/4

7:55 a.m.-3:45 p.m.

Nonstop4h 50m

Toronto Pearson Intl

Wed 29/4

4:55 p.m.-7:23 p.m.

Nonstop5h 28m

C$ 376

Flights are sorted by cheapest round-trip flights first.

Deals found on 22/1

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$ 168). Flying from State of Washington to Toronto in December is currently the most expensive (average of C$ 387). 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 24 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 24 January 2026.

The most flights from USWA to YTO are scheduled on a Wednesday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 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?

    Alaska Airlines, United Airlines, and WestJet can get you from State of Washington to Toronto in just under 4h 40m. Your travel time can differ by up to 3h. 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$ 137 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on WestJet and Alaska Airlines, with prices starting from C$ 147 and C$ 153, 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$ 113. On average you can expect to pay C$ 281. 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$ 168). Flying from State of Washington to Toronto in December is currently the most expensive (average of C$ 387). 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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O'Hare Intl to Pierre Elliott Trudeau Intl flights
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Reagan-National to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Atlanta to Pearson Intl flights
Hobby to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Philadelphia to Pearson Intl flights
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Orlando to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Denver to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Miami to Pearson Intl flights
Midway to Toronto Island flights
San Diego to Pearson Intl flights
Midway to Pierre Elliott Trudeau Intl flights
Denver to Pierre Elliott Trudeau Intl flights
Tampa to Pearson Intl flights
Raleigh to Pearson Intl flights
Austin to Pearson Intl flights
Midway to Pearson Intl flights
Detroit to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson 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 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 190AverageC$ 537FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 284AverageC$ 388FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 304AverageC$ 781FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air CanadaCheapestC$ 363AverageC$ 460FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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