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Cheap flights from Toronto to Seattle from C$ 200

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to Seattle departing on 16/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Toronto to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Toronto to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Toronto to Seattle.

Cheap last-minute flights

Planning a quick getaway from Toronto to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without layovers.

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.
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 333Air Canada
Find Deal
Wed, 19 Feb - Tue, 25 Feb
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 344Alaska Airlines
Find Deal
Thu, 9 Jan - Tue, 14 Jan
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 346Air Canada
Find Deal
Sat, 8 Mar - Tue, 18 Mar
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 361Alaska Airlines
Find Deal
Thu, 9 Jan - Sun, 12 Jan
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 370WestJet
Find Deal
Mon, 20 Jan - Mon, 27 Jan
6:00 a.m. - 10:45 a.m.YYZ-SEA
7h 45m1 stop
6:00 a.m. - 7:09 p.m.SEA-YYZ
10h 09m1 stop
C$ 374Delta
Find Deal
Thu, 9 Jan - Tue, 14 Jan
5:15 p.m. - 10:55 p.m.YYZ-SEA
8h 40m1 stop
11:05 p.m. - 9:20 a.m.SEA-YYZ
7h 15m1 stop
C$ 375Delta
Find Deal
Sat, 11 Jan - Sun, 19 Jan
3:30 p.m. - 11:09 p.m.YYZ-SEA
10h 39m2 stops
5:25 p.m. - 6:36 a.m.SEA-YYZ
10h 11m1 stop
C$ 386United Airlines
Find Deal
Thu, 9 Jan - Tue, 14 Jan
8:00 a.m. - 4:16 p.m.YYZ-SEA
11h 16m1 stop
7:00 a.m. - 12:17 a.m.SEA-YYZ
14h 17m1 stop
C$ 388United Airlines
Find Deal
Thu, 9 Jan - Thu, 16 Jan
7:00 p.m. - 2:21 p.m.YYZ-SEA
22h 21m2 stops
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 427WestJet
Find Deal
Mon, 20 Jan - Mon, 27 Jan
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
C$ 200Air Canada
Find Deal
Mon, 16 Dec
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 207Alaska Airlines
Find Deal
Thu, 30 Jan
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 213WestJet
Find Deal
Mon, 27 Jan
8:00 a.m. - 2:30 p.m.YYZ-SEA
9h 30m1 stop
C$ 214Air Canada
Find Deal
Tue, 4 Mar
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 220WestJet
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Tue, 10 Dec
6:00 a.m. - 2:24 p.m.YYZ-SEA
11h 24m1 stop
C$ 224Delta
Find Deal
Tue, 7 Jan
11:00 a.m. - 9:20 p.m.YYZ-SEA
13h 20m3 stops
C$ 231United Airlines
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Thu, 30 Jan
9:00 a.m. - 9:11 p.m.YYZ-SEA
15h 11m2 stops
C$ 232United Airlines
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Wed, 8 Jan
6:30 a.m. - 3:00 p.m.YYZ-SEA
11h 30m2 stops
C$ 302Delta
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Tue, 7 Jan
4:20 p.m. - 6:39 p.m.YYZ-SEA
5h 19mdirect
C$ 389Alaska Airlines
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Sat, 7 Dec
10:40 p.m. - 4:23 p.m.YYZ-SEA
20h 43m2 stops
4:00 p.m. - 5:55 a.m.SEA-YYZ
10h 55m1 stop
C$ 623
Find Deal
Mon, 25 Nov - Tue, 10 Dec
7:30 a.m. - 9:05 p.m.YYZ-SEA
16h 35m2 stops
4:00 p.m. - 5:55 a.m.SEA-YYZ
10h 55m1 stop
C$ 662
Find Deal
Sat, 23 Nov - Tue, 10 Dec
9:05 p.m. - 2:21 p.m.YYZ-SEA
20h 16m1 stop
4:00 p.m. - 5:55 a.m.SEA-YYZ
10h 55m1 stop
C$ 678
Find Deal
Mon, 25 Nov - Tue, 10 Dec
12:00 p.m. - 2:21 p.m.YYZ-SEA
29h 21m2 stops
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 745WestJet
Find Deal
Mon, 25 Nov - Tue, 10 Dec
4:20 p.m. - 6:54 p.m.YYZ-SEA
5h 34mdirect
7:22 a.m. - 2:55 p.m.SEA-YYZ
4h 33mdirect
C$ 806Alaska Airlines
Find Deal
Mon, 25 Nov - Tue, 10 Dec
4:20 p.m. - 6:54 p.m.YYZ-SEA
5h 34mdirect
7:22 a.m. - 2:55 p.m.SEA-YYZ
4h 33mdirect
C$ 808Alaska Airlines
Find Deal
Sat, 23 Nov - Tue, 10 Dec
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
5:00 a.m. - 3:02 p.m.SEA-YYZ
7h 02m1 stop
C$ 834United Airlines
Find Deal
Sat, 23 Nov - Tue, 10 Dec
9:00 p.m. - 2:21 p.m.YYZ-SEA
44h 21m2 stops
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 938WestJet
Find Deal
Sat, 23 Nov - Tue, 10 Dec
3:05 p.m. - 10:07 p.m.YYZ-SEA
10h 02m1 stop
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 1,166Air Canada
Find Deal
Fri, 22 Nov - Mon, 25 Nov
1:00 p.m. - 6:32 p.m.YYZ-SEA
8h 32m1 stop
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 1,172Air Canada
Find Deal
Fri, 22 Nov - Sun, 24 Nov
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 333Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 344Alaska Airlines
Find Deal
Thu, 9 Jan - Tue, 14 Jan
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 346Air Canada
Find Deal
Sat, 8 Mar - Tue, 18 Mar
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 361Alaska Airlines
Find Deal
Thu, 9 Jan - Tue, 14 Jan
4:20 p.m. - 6:39 p.m.YYZ-SEA
5h 19mdirect
7:26 a.m. - 3:07 p.m.SEA-YYZ
4h 41mdirect
C$ 363Alaska Airlines
Find Deal
Mon, 9 Dec - Mon, 30 Dec
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 374Air Canada
Find Deal
Thu, 9 Jan - Thu, 16 Jan
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 378Air Canada
Find Deal
Sat, 11 Jan - Sun, 19 Jan
4:20 p.m. - 6:39 p.m.YYZ-SEA
5h 19mdirect
7:26 a.m. - 3:07 p.m.SEA-YYZ
4h 41mdirect
C$ 486Alaska Airlines
Find Deal
Tue, 17 Dec - Thu, 26 Dec
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 575United Airlines
Find Deal
Mon, 16 Dec - Wed, 25 Dec
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 867United Airlines
Find Deal
Mon, 16 Dec - Mon, 23 Dec

Alaska Airlines flights from Toronto to Seattle

Our best Alaska Airlines deals on Toronto to Seattle flight tickets
Alaska Airlines
9 Jan
YYZ4:20 p.m.Toronto Pearson Intl
5h 23m
SEA6:43 p.m.Seattle/Tacoma Intl
14 Jan
SEA7:27 a.m.Seattle/Tacoma Intl
4h 38m
YYZ3:05 p.m.Toronto Pearson Intl
Alaska Airlines
9 Jan
YYZ4:20 p.m.Toronto Pearson Intl
5h 23m
SEA6:43 p.m.Seattle/Tacoma Intl
12 Jan
SEA7:27 a.m.Seattle/Tacoma Intl
4h 38m
YYZ3:05 p.m.Toronto Pearson Intl
Alaska Airlines
9 Dec
YYZ4:20 p.m.Toronto Pearson Intl
5h 19m
SEA6:39 p.m.Seattle/Tacoma Intl
30 Dec
SEA7:26 a.m.Seattle/Tacoma Intl
4h 41m
YYZ3:07 p.m.Toronto Pearson Intl

WestJet flights from Toronto to Seattle

Our best WestJet deals on Toronto to Seattle flight tickets
WestJet
20 Jan
YYZ7:55 a.m.Toronto Pearson Intl
9h 26m
1 stop
SEA2:21 p.m.Seattle/Tacoma Intl
27 Jan
SEA3:15 p.m.Seattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 a.m.Toronto Pearson Intl
WestJet
27 Nov
YYZ6:30 a.m.Toronto Pearson Intl
10h 51m
1 stop
SEA2:21 p.m.Seattle/Tacoma Intl
4 Dec
SEA3:15 p.m.Seattle/Tacoma Intl
18h 24m
1 stop
YYZ12:39 p.m.Toronto Pearson Intl
WestJet
20 Jan
YYZ7:00 p.m.Toronto Pearson Intl
22h 21m
2 stops
SEA2:21 p.m.Seattle/Tacoma Intl
27 Jan
SEA3:15 p.m.Seattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 a.m.Toronto Pearson Intl

See travel insights to Seattle from

How to get the cheapest flight ticket from Toronto to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Toronto to Seattle?

October. The cheapest time of year to fly to Seattle from Toronto is October. The most expensive is March.

What is the cheapest day to depart Toronto for Seattle?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Sunday

When is the cheapest time to fly from Toronto to Seattle?

At noon. Toronto to Seattle flights are approximately 13% more expensive in the morning than at noon

What is the cheapest Toronto to Seattle flight route?

Toronto Pearson Intl - Seattle/Tacoma Intl. Fly from Toronto Pearson Intl to Seattle/Tacoma Intl for the best Toronto - Seattle flight prices

How far in advance should you book Toronto to Seattle flights?

42 days before. The cheapest time to buy a flight from Toronto to Seattle is approximately 42 days to departure

Can stopping save me money on Toronto to Seattle flights?

You could potentially save up to 1% on your flight if you consider stops on a Toronto to Seattle flight.

How have Toronto to Seattle flight prices changed over time?

As of November 2024, prices for Toronto to Seattle flights are approximately 20% cheaper when compared to flights at the same time last year.

When to book flights from Toronto to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to Seattle (YTO to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to Seattle

Best price found

C$ 200

Fastest flight time

5h 18m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Toronto in the past 72 hours is C$ 200. The best round-trip flight deal from Toronto to Seattle found on momondo in the last 72 hours is C$ 333.
The fastest flight from Toronto to Seattle takes 5h 18m
Direct flights go from Toronto to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • How far is Toronto to Seattle/Tacoma Intl by plane?

    The distance between Toronto and Seattle/Tacoma Intl is about 3323.4 km. A reasonable flight in good conditions will take 5h 19m.

  • When did momondo last update prices for flights from Toronto to Seattle/Tacoma Intl Airport?

    Prices for flights from Toronto to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Toronto to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Toronto to Seattle/Tacoma Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Toronto to Seattle?

  • What is the most popular airline from Toronto to Seattle?


Best airlines flying from Toronto to Seattle

Compare and see reviews for airlines that fly from Toronto to Seattle with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 299Free CancellationRating
7.3
2,811 reviews
Search WestJet flights
Alaska AirlinesPriceFrom C$ 363Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 396Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 402Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
DeltaPriceFrom C$ 410Free CancellationRating
8.0
8,756 reviews
Search Delta flights
American AirlinesPriceFrom C$ 546Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Alaska Airlines Flights From Toronto to Seattle

    Alaska Airlines operates around 1 flight from Toronto to Seattle every week. The average price of these flights found in the last 72 hours has been C$ 417, but momondo users have found Alaska Airlines deals from Toronto to Seattle from as low as C$ 259 round-trip. Alaska Airlines has been scored 8.0/10 in 9,461 reviews.

  • United Airlines Flights From Toronto to Seattle

    United Airlines is also a popular choice for this route. United Airlines flight deals for Toronto to Seattle start from as low as C$ 283 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around C$ 507. United Airlines operates 6 flights to Seattle from Toronto in an average week. Users have rated it 7.4/10 across 9,171 reviews.


Why use momondo?

Why should I use momondo to find a flight deal from Toronto to Seattle?

It is quick and easy to find Toronto to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Toronto to Seattle with flexible booking policies on momondo?

Flights from Toronto to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Toronto to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Toronto to Seattle.

I’m not ready to book a flight from Toronto to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Toronto and alert you when they change.


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