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YYZ - SEA

£147 Find cheap flights from Toronto to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Toronto to Seattle departing on 28/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 13/6
Thu 20/6

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Seattle, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Toronto to Seattle, as well as popular online travel agencies
In the last 7 days, travellers have searched 42,566,405 times on KAYAK, and here's why:

Save 28% or moreCompare multiple travel sites with one search.

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Cheap flight deals from Toronto to Seattle (YYZ-SEA)

 
These are the cheapest deals for flights from Toronto to Seattle currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Toronto to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Toronto to Seattle.

Recent one-way flight deals from Toronto to Seattle

Only flying one-way? Below are some of the best one-way flight deals from Toronto to Seattle found on KAYAK recently.

Recent last-minute flight deals from Toronto to Seattle

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Toronto to Seattle.

Recent direct flight deals from Toronto to Seattle

The latest deals for direct flights from Toronto to Seattle so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Toronto to Seattle

Find recent round-trip train or bus tickets from Toronto to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
15:40 - 18:05YYZ-SEA
5h 25mdirect
07:00 - 14:30SEA-YYZ
4h 30mdirect
£254Alaska Airlines
Find Deal
Tue, 1 Oct - Wed, 9 Oct
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£255Alaska Airlines
Find Deal
Thu, 30 May - Sun, 2 Jun
08:25 - 10:43YYZ-SEA
5h 18mdirect
13:10 - 00:25SEA-YYZ
8h 15m1 stop
Thu, 30 May - Thu, 6 Jun
15:45 - 20:21YYZ-SEA
7h 36m1 stop
18:15 - 06:06SEA-YYZ
8h 51m1 stop
£262WestJet
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Mon, 15 Jul - Mon, 12 Aug
06:30 - 12:56YYZ-SEA
9h 26m1 stop
18:15 - 06:06SEA-YYZ
8h 51m1 stop
£263WestJet
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Sun, 11 Aug - Tue, 20 Aug
12:00 - 20:21YYZ-SEA
11h 21m2 stops
18:15 - 06:06SEA-YYZ
8h 51m1 stop
£266WestJet
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Wed, 31 Jul - Mon, 5 Aug
08:25 - 10:43YYZ-SEA
5h 18mdirect
23:10 - 06:48SEA-YYZ
4h 38mdirect
Sun, 26 May - Sun, 2 Jun
07:45 - 14:34YYZ-SEA
9h 49m1 stop
19:05 - 05:28SEA-YYZ
7h 23m1 stop
£272Air Canada
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Fri, 12 Jul - Wed, 17 Jul
13:25 - 23:59YYZ-SEA
13h 34m1 stop
21:45 - 12:10SEA-YYZ
11h 25m1 stop
£274Delta
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Thu, 18 Jul - Mon, 22 Jul
12:00 - 18:35YYZ-SEA
9h 35m1 stop
18:15 - 06:06SEA-YYZ
8h 51m1 stop
£302Delta
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Thu, 18 Jul - Sun, 11 Aug
15:40 - 17:55YYZ-SEA
5h 15mdirect
£147Alaska Airlines
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Tue, 28 May
07:40 - 14:49YYZ-SEA
10h 09m1 stop
£151WestJet
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Fri, 31 May
12:00 - 20:20YYZ-SEA
11h 20m2 stops
£155WestJet
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Fri, 31 May
13:20 - 23:41YYZ-SEA
13h 21m1 stop
£157Delta
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Sat, 24 Aug
19:12 - 23:31YYZ-SEA
7h 19m1 stop
£159Delta
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Fri, 25 Oct
17:52 - 22:18YYZ-SEA
7h 26m1 stop
£159Delta
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Fri, 21 Jun
15:40 - 17:55YYZ-SEA
5h 15mdirect
£162Alaska Airlines
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Sun, 19 May
13:30 - 20:21YYZ-SEA
9h 51m1 stop
£170Delta
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Thu, 1 Aug
15:40 - 18:02YYZ-SEA
5h 22mdirect
£178Alaska Airlines
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Wed, 21 Aug
08:05 - 22:22YYZ-SEA
17h 17m3 stops
£401United Airlines
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Fri, 25 Oct
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£283Alaska Airlines
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Sun, 19 May - Thu, 23 May
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£284Alaska Airlines
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Sun, 19 May - Sun, 26 May
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£297Alaska Airlines
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Thu, 16 May - Sat, 25 May
17:55 - 23:59YYZ-SEA
9h 04m1 stop
00:30 - 11:36SEA-YYZ
8h 06m1 stop
£328Delta
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Fri, 17 May - Mon, 12 Aug
18:45 - 09:47YYZ-SEA
18h 02m1 stop
07:40 - 23:36SEA-YYZ
12h 56m1 stop
Fri, 17 May - Tue, 21 May
18:25 - 00:58YYZ-SEA
9h 33m1 stop
23:45 - 18:45SEA-YYZ
16h 00m1 stop
£349United Airlines
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Fri, 17 May - Mon, 20 May
07:59 - 13:19YYZ-SEA
8h 20m1 stop
13:10 - 00:25SEA-YYZ
8h 15m1 stop
Thu, 16 May - Thu, 23 May
17:55 - 22:21YYZ-SEA
7h 26m1 stop
00:40 - 11:39SEA-YYZ
7h 59m1 stop
£390Delta
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Fri, 17 May - Mon, 20 May
08:00 - 12:56YYZ-SEA
7h 56m1 stop
09:29 - 22:52SEA-YYZ
10h 23m2 stops
£631WestJet
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Wed, 15 May - Wed, 22 May
20:00 - 07:56YYZ-SEA
14h 56m2 stops
09:29 - 22:52SEA-YYZ
10h 23m2 stops
£841WestJet
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Fri, 17 May - Mon, 20 May
15:40 - 18:05YYZ-SEA
5h 25mdirect
07:00 - 14:30SEA-YYZ
4h 30mdirect
£254Alaska Airlines
Find Deal
Tue, 1 Oct - Wed, 9 Oct
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£255Alaska Airlines
Find Deal
Thu, 30 May - Sun, 2 Jun
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£269Alaska Airlines
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Sun, 26 May - Sun, 2 Jun
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£269Alaska Airlines
Find Deal
Sun, 26 May - Sun, 2 Jun
15:40 - 18:02YYZ-SEA
5h 22mdirect
07:00 - 14:30SEA-YYZ
4h 30mdirect
£270Alaska Airlines
Find Deal
Sat, 28 Sep - Wed, 9 Oct
15:40 - 17:55YYZ-SEA
5h 15mdirect
06:50 - 14:30SEA-YYZ
4h 40mdirect
£284Alaska Airlines
Find Deal
Fri, 24 May - Mon, 27 May
19:40 - 21:58YYZ-SEA
5h 18mdirect
23:10 - 06:43SEA-YYZ
4h 33mdirect
Mon, 26 Aug - Tue, 3 Sep
19:40 - 21:58YYZ-SEA
5h 18mdirect
23:10 - 06:50SEA-YYZ
4h 40mdirect
£419United Airlines
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Sat, 17 Aug - Sun, 25 Aug
19:40 - 21:58YYZ-SEA
5h 18mdirect
11:40 - 19:18SEA-YYZ
4h 38mdirect
£438United Airlines
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Mon, 27 May - Tue, 28 May
08:25 - 10:51YYZ-SEA
5h 26mdirect
23:10 - 06:50SEA-YYZ
4h 40mdirect
£486United Airlines
Find Deal
Fri, 28 Jun - Fri, 5 Jul
05:50 - 09:00Richmond Bus Stop-
Seattle King Street Station
3h 10mdirect
10:45 - 13:45Seattle King Street Station-
Richmond Bus Stop
3h 00mdirect
£80Amtrak
Find Deal
Fri, 24 May - Mon, 27 May

Flights from Toronto to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Toronto to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Toronto Pearson Intl Airport to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Toronto Pearson Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Toronto Pearson Intl Airport to Seattle is October, where tickets cost £391 on average. On the other hand, the most expensive months are December and March, where the average cost of tickets is £487 and £460 respectively.

How far in advance should I book a flight from Toronto Pearson Intl Airport to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Toronto Pearson Intl Airport to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Toronto Pearson Intl Airport to Seattle, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 50 days before departure.

Which airlines provide the cheapest flights from Toronto to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the past 3 days, the cheapest one-way tickets to Seattle from Toronto were found on Alaska Airlines (£147) and WestJet (£151), and the lowest return tickets were found on Alaska Airlines (£254) and WestJet (£262).

How many flights are there between Toronto Pearson Intl Airport and Seattle per day?

Each day, there are 3 direct flights that take off from Toronto Pearson Intl Airport and land in Seattle, with an average flight time of 5h 17m. The most common departure time is 19:00 and most flights take off in the morning. Each week, there are 21 flights and there are the same amount of flights each day 3.

Which cabin class options are there for flights between Toronto Pearson Intl Airport and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Toronto to Seattle take?

Direct flights take on average 5h 15m to travel the 2,054 miles between Toronto and Seattle.

What’s the earliest departure time from Toronto to Seattle?

Early birds can take the earliest flight from Toronto Pearson Intl Airport at 08:25 and will be landing in Seattle at 10:51.

What’s the latest departure time from Toronto to Seattle?

If you prefer to fly at night, the latest flight from Toronto Pearson Intl Airport to Seattle jets off at 19:40 and lands at 21:58.

Good to know - Cheap tickets from Toronto to Seattle

Low season

January

High season

August

Cheapest flight

£147
Best time to beat the crowds (9% less expensive on average)
Most popular time to fly and prices are also 4% lower on average.
Flight from Toronto to Seattle

When to book flights from Toronto to Seattle

Are your dates flexible? Find out the best times to travel from Toronto to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Toronto to Seattle flights

  • What is the cheapest flight from Toronto Pearson Intl Airport to Seattle?

    In the last 3 days, the lowest price for a flight from Toronto Pearson Intl Airport to Seattle was £185 for a one-way ticket and £319 for a return.

  • Which airports will I be using when flying from Toronto to Seattle?

    Toronto airport is called Toronto Pearson Intl and the only airport in Seattle is Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Toronto to Seattle?

    Air Canada, Alaska Airlines, United Airlines, and Jazz offer inflight Wi-Fi service on the Toronto to Seattle flight route.

  • Which aircraft models fly most regularly from Toronto to Seattle?

    The Airbus A220-300 is the aircraft model that flies most regularly on the Toronto to Seattle flight route.

  • Which airline alliances offer flights from Toronto to Seattle?

    Star Alliance, and oneworld are the airline alliances operating flights between Toronto and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Toronto to Seattle?

    There are direct flights from Toronto to Seattle on a daily basis.

  • How does KAYAK find such low prices on flights from Toronto to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Toronto to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Toronto to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Toronto is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Toronto to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Seattle with an airline and back to Toronto with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Toronto to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Toronto up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly direct from Toronto to Seattle?

Find which airlines fly direct from Pearson Intl to Seattle/Tacoma Intl, which days they fly and book direct flights.

Direct departures

Toronto Pearson Intl to Seattle/Tacoma Intl

Monday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Tuesday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Wednesday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Thursday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Friday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Saturday

Air Canada, Alaska Airlines, Brussels Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

Sunday

Air Canada, Alaska Airlines, United Airlines, +1 more

Air Canada, Alaska Airlines, +2 more

See more direct flights

Direct returns

Seattle/Tacoma Intl to Toronto Pearson Intl

Monday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Tuesday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Wednesday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Thursday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Friday

Air Canada, Alaska Airlines, Turkish Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Saturday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

Sunday

Air Canada, Alaska Airlines, Brussels Airlines, +2 more

Air Canada, Alaska Airlines, +3 more

See more direct flights
See more direct flights

Book cheap flights from Toronto to Seattle

Cheapest flights to Seattle from Toronto found in 2024

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Toronto to Seattle found on KAYAK in the last 72 hours.
28/5Tue
directAlaska Airlines
5h 15mYYZ-SEA
£147
31/5Fri
1 stopWestJet
10h 09mYYZ-SEA
£151
31/5Fri
2 stopsWestJet
11h 20mYYZ-SEA
£155
24/8Sat
1 stopDelta
13h 21mYYZ-SEA
£157
25/10Fri
1 stopDelta
7h 19mYYZ-SEA
£159
21/6Fri
1 stopDelta
7h 26mYYZ-SEA
£159
19/5Sun
directAlaska Airlines
5h 15mYYZ-SEA
£162
1/8Thu
1 stopDelta
9h 51mYYZ-SEA
£170
21/8Wed
directAlaska Airlines
5h 22mYYZ-SEA
£178
25/10Fri
3 stopsUnited Airlines
17h 17mYYZ-SEA
£401

Search by stops

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Last minute flights from Toronto to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Toronto to Seattle that are departing in the next 10 days.
19/5Sun
directAlaska Airlines
5h 15mYYZ-SEA
23/5Thu
directAlaska Airlines
4h 40mSEA-YYZ
£283
19/5Sun
directAlaska Airlines
5h 15mYYZ-SEA
26/5Sun
directAlaska Airlines
4h 40mSEA-YYZ
£284
16/5Thu
directAlaska Airlines
5h 15mYYZ-SEA
25/5Sat
directAlaska Airlines
4h 40mSEA-YYZ
£297
17/5Fri
multi-stopDelta
9h 04mYYZ-SEA
12/8Mon
multi-stopDelta
8h 06mSEA-YYZ
£328
17/5Fri
multi-stop
18h 02mYYZ-SEA
21/5Tue
multi-stop
12h 56mSEA-YYZ
£338
17/5Fri
multi-stopUnited Airlines
9h 33mYYZ-SEA
20/5Mon
multi-stopUnited Airlines
16h 00mSEA-YYZ
£349
16/5Thu
multi-stop
8h 20mYYZ-SEA
23/5Thu
multi-stop
8h 15mSEA-YYZ
£376
17/5Fri
multi-stopDelta
7h 26mYYZ-SEA
20/5Mon
multi-stopDelta
7h 59mSEA-YYZ
£390
15/5Wed
multi-stopWestJet
7h 56mYYZ-SEA
22/5Wed
multi-stopWestJet
10h 23mSEA-YYZ
£631
17/5Fri
multi-stopWestJet
14h 56mYYZ-SEA
20/5Mon
multi-stopWestJet
10h 23mSEA-YYZ
£841

Search by stops

Search by airline

Search by price

Toronto - Seattle Flights

Departure:

Toronto (undefined)Canada

Destination:

Seattle (SEA)United States

Cabin classes:

£464

Browse origins:

  • Flights » 
  • Toronto Pearson Airport

Browse destinations:

  • Flights » 
  • Worldwide » 
  • Seattle

Compare transportation modes for Toronto to Seattle

Average priceAverage duration
Flights5h 15m
Buses£803h 10m