Toronto

$101+ Cheap flights from Washington to Toronto (YTO)

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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YTO
nov. 29 — dic. 61
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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 octubre 30, 2025.

This SmartFares deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:57 amSEA - YYZ
Nonstop4h 38mAlaska Airlines
mar. 12/24:45 pmYYZ - SEA
Nonstop5h 33mAlaska Airlines
Deal found 10/27$229
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/2911:55 amSEA - YYZ
2 stops8h 44mWestJet
mar. 12/27:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/27$232
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/123:10 pmSEA - YYZ
2 stops11h 48mWestJet
mar. 12/167:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/27$239
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/43:10 pmSEA - YYZ
2 stops11h 48mWestJet
dom. 12/77:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/28$243
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:57 amSEA - YYZ
Nonstop4h 38mMultiple Airlines
mar. 12/27:45 amYYZ - SEA
1 stop9h 35mMultiple Airlines
Deal found 10/27$245
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/63:20 pmSEA - YYZ
2 stops11h 38mMultiple Airlines
sáb. 12/137:50 pmYYZ - SEA
Nonstop5h 26mMultiple Airlines
Deal found 10/28$246
This Trip.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2111:55 amSEA - YYZ
2 stops8h 44mMultiple Airlines
lun. 11/244:45 pmYYZ - SEA
Nonstop5h 32mMultiple Airlines
Deal found 10/30$247
This Booking.com deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/298:10 amSEA - YYZ
Nonstop4h 43mAir Canada
sáb. 12/67:50 pmYYZ - SEA
Nonstop5h 26mAir Canada
Deal found 10/30$248
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2811:55 amSEA - YYZ
1 stop16h 03mWestJet
mar. 12/27:45 amYYZ - SEA
1 stop9h 35mWestJet
Deal found 10/29$249
This Alaska Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/297:57 amSEA - YYZ
Nonstop4h 38mAlaska Airlines
mié. 12/34:45 pmYYZ - SEA
Nonstop5h 33mAlaska Airlines
Deal found 10/29$251
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1111:12 pmPDX - YYZ
1 stop9h 36mUnited Airlines
mié. 11/123:45 pmYYZ - PDX
1 stop10h 00mUnited Airlines
Deal found 10/27$317
This Air Canada deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/129:50 amPDX - YYZ
1 stop8h 04mAir Canada
mié. 11/199:00 amYYZ - PDX
1 stop8h 40mAir Canada
Deal found 10/28$326

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 octubre 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$101
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$442

Good round-trip deal

$342 or less

Good one-way deal

$262 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Toronto (YTO) flights.
From Washington to Toronto (YTO)
One-way flight from Washington to Toronto (YTO)
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in October 2025
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 2,558,603 searches. Data last updated octubre 30, 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

SeattleToronto

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

vie. 1/9

3:10 pm-5:28 am

1 stop11h 18m

Toronto Region of Waterloo Intl

sáb. 1/10

7:00 pm-2:20 pm

1 stop22h 20m

$251

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

mar. 11/25

7:57 am-3:35 pm

Nonstop4h 38m

Toronto Pearson Intl

lun. 12/8

4:45 pm-7:18 pm

Nonstop5h 33m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

mié. 11/19

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

vie. 11/21

4:45 pm-7:17 pm

Nonstop5h 32m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

mié. 11/19

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

jue. 11/20

4:45 pm-7:05 pm

Nonstop5h 20m

$262

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

mar. 3/10

8:00 am-3:35 pm

Nonstop4h 35m

Toronto Pearson Intl

mié. 3/11

4:45 pm-7:05 pm

Nonstop5h 20m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

lun. 11/17

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

mié. 11/19

4:45 pm-7:05 pm

Nonstop5h 20m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

lun. 1/12

7:55 am-3:35 pm

Nonstop4h 40m

Toronto Pearson Intl

vie. 1/16

4:45 pm-7:21 pm

Nonstop5h 36m

$273

SeattleToronto

SEA - YYZ

SEAYYZ

Seattle/Tacoma Intl

vie. 11/28

7:57 am-3:35 pm

Nonstop4h 38m

Toronto Pearson Intl

jue. 12/4

4:45 pm-7:18 pm

Nonstop5h 33m

$273

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

mar. 4/14

3:10 pm-5:16 pm

1 stop23h 06m

Hamilton

dom. 4/19

6:10 pm-2:19 pm

1 stop23h 09m

$295

SeattleHamilton

SEA - YHM

SEAYHM

Seattle/Tacoma Intl

jue. 1/15

3:10 pm-1:22 pm

1 stop19h 12m

Hamilton

lun. 1/19

6:10 pm-2:20 pm

1 stop23h 10m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, March is the cheapest month in which you can book a flight from State of Washington to Toronto (average of $121). Flying from State of Washington to Toronto in May is currently the most expensive (average of $271). 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 octubre 30, 2025.

One of the essential ways to save on airfare from State of Washington to Toronto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 30% on airfare.

What is the cheapest day to fly from State of Washington to Toronto?

Use this chart to determine the cheapest time to fly round-trip from Washington to Toronto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their State of Washington to Toronto flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

    There are many flights that can get you from State of Washington to Toronto in 4h 38m. Fly via WestJet, Alaska Airlines, or United Airlines to get the fastest option. State of Washington and Toronto are separated by a distance of 2054 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Toronto one-way?

    One-way options have recently been found by users for as low as $101 on Alaska Airlines. Other airlines that offer cheap prices include Air Canada from $138 and Delta from $143 one-way.

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

  • What are the most reliable airlines from State of Washington to Toronto?

    No one likes to see their flight delayed. When booking a flight from State of Washington to Toronto consider choosing Qatar Airways (97%), Alaska Airlines (97%) or Air Tahiti Nui (96%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from State of Washington to Toronto? While on average our users pay $1,025, our data indicates the cheapest price to be $111. The most popular route (Seattle/Tacoma Intl - Toronto Pearson Intl), is priced around $223.

  • 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, March is the cheapest month in which you can book a flight from State of Washington to Toronto (average of $121). Flying from State of Washington to Toronto in May is currently the most expensive (average of $271). 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 5 airlines flying from Washington to Toronto

Discover the top 5 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 2,558,603 searches. Data last updated octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$165Average$444FlexibilityNo cancel feeOn-time67%
DeltaCheapest$170Average$402FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$222Average$300FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$273Average$488FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$301Average$479FlexibilityNo cancel feeOn-time69%

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