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Cheap flights from Toronto Pearson Intl Airport to Seattle from C$ 171

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 Pearson Intl Airport to Seattle departing on 19/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Toronto Pearson Intl Airport to Seattle

Cheap round-trip flights

These are some of the best round-trip flight deals from Toronto Pearson Intl Airport 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 Pearson Intl Airport to Seattle.

Cheap last-minute flights

Planning a quick getaway from Toronto Pearson Intl Airport 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 Pearson Intl Airport to Seattle

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

All round-trip flight deals from Toronto Pearson Intl Airport to Seattle

The cheapest plane tickets from Toronto Pearson Intl Airport to Seattle found on KAYAK recently.
8:00 a.m. - 1:08 p.m.YYZ-SEA
8h 08m1 stop
7:05 a.m. - 5:22 p.m.SEA-YYZ
7h 17m1 stop
C$ 328WestJet
Find Deal
Thu, 1 May - Sat, 10 May
8:00 a.m. - 1:08 p.m.YYZ-SEA
8h 08m1 stop
7:05 a.m. - 5:22 p.m.SEA-YYZ
7h 17m1 stop
C$ 330WestJet
Find Deal
Fri, 2 May - Wed, 7 May
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$ 335United Airlines
Find Deal
Tue, 4 Mar - Wed, 12 Mar
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:18 a.m. - 2:55 p.m.SEA-YYZ
4h 37mdirect
C$ 347Alaska Airlines
Find Deal
Tue, 11 Feb - Tue, 18 Feb
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
12:55 p.m. - 12:22 a.m.SEA-YYZ
8h 27m1 stop
C$ 348United Airlines
Find Deal
Tue, 4 Mar - Wed, 12 Mar
4:20 p.m. - 6:44 p.m.YYZ-SEA
5h 24mdirect
7:18 a.m. - 2:55 p.m.SEA-YYZ
4h 37mdirect
C$ 354Alaska Airlines
Find Deal
Tue, 18 Feb - Thu, 20 Feb
12:00 p.m. - 7:37 p.m.YYZ-SEA
10h 37m1 stop
1:45 p.m. - 11:26 p.m.SEA-YYZ
6h 41m1 stop
C$ 397Air Canada
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Fri, 9 May - Mon, 12 May
6:15 a.m. - 2:23 p.m.YYZ-SEA
11h 08m2 stops
6:05 a.m. - 1:55 p.m.SEA-YYZ
4h 50mdirect
C$ 410Air Canada
Find Deal
Fri, 11 Apr - Mon, 21 Apr
5:00 p.m. - 12:09 a.m.YYZ-SEA
10h 09m1 stop
12:49 a.m. - 1:33 p.m.SEA-YYZ
9h 44m1 stop
C$ 423Delta
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Thu, 20 Mar - Sun, 23 Mar
6:00 a.m. - 10:45 a.m.YYZ-SEA
7h 45m1 stop
11:05 p.m. - 9:17 a.m.SEA-YYZ
7h 12m1 stop
C$ 448Delta
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Thu, 13 Feb - Tue, 18 Feb
8:00 p.m. - 9:35 a.m.YYZ-SEA
16h 35m1 stop
C$ 171
Find Deal
Wed, 19 Feb
8:00 p.m. - 12:25 a.m.YYZ-SEA
31h 25m1 stop
C$ 183
Find Deal
Tue, 18 Feb
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 197WestJet
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Tue, 15 Apr
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 202WestJet
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Thu, 20 Feb
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 203United Airlines
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Wed, 12 Feb
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 207Alaska Airlines
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Tue, 11 Feb
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 212United Airlines
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Thu, 13 Feb
4:20 p.m. - 6:44 p.m.YYZ-SEA
5h 24mdirect
C$ 217Alaska Airlines
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Thu, 20 Feb
6:25 a.m. - 2:30 p.m.YYZ-SEA
11h 05m2 stops
C$ 258Air Canada
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Wed, 12 Feb
6:25 a.m. - 2:30 p.m.YYZ-SEA
11h 05m2 stops
C$ 265Air Canada
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Thu, 13 Feb
8:00 p.m. - 8:50 a.m.YYZ-SEA
15h 50m1 stop
9:45 a.m. - 9:45 p.m.SEA-YYZ
9h 00m1 stop
C$ 695
Find Deal
Thu, 23 Jan - Tue, 28 Jan
8:15 p.m. - 6:15 p.m.YYZ-SEA
25h 00m2 stops
12:10 p.m. - 9:45 p.m.SEA-YYZ
30h 35m1 stop
C$ 698
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Sun, 26 Jan - Sun, 2 Feb
7:55 p.m. - 12:19 a.m.YYZ-SEA
31h 24m3 stops
7:10 a.m. - 12:55 p.m.SEA-YYZ
26h 45m2 stops
C$ 711
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Fri, 24 Jan - Sun, 26 Jan
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
3:15 p.m. - 6:18 a.m.SEA-YYZ
12h 03m1 stop
C$ 741WestJet
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Thu, 23 Jan - Tue, 28 Jan
1:30 p.m. - 8:45 p.m.YYZ-SEA
10h 15m1 stop
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 861WestJet
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Thu, 23 Jan - Thu, 30 Jan
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$ 1,140Alaska Airlines
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Sun, 26 Jan - Thu, 30 Jan
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$ 1,146Alaska Airlines
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Wed, 22 Jan - Wed, 29 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$ 1,155United Airlines
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Fri, 24 Jan - Sat, 1 Feb
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$ 1,162United Airlines
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Sat, 25 Jan - Wed, 29 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$ 1,202Air Canada
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Fri, 24 Jan - Sun, 26 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$ 335United Airlines
Find Deal
Tue, 4 Mar - Wed, 12 Mar
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
7:18 a.m. - 2:55 p.m.SEA-YYZ
4h 37mdirect
C$ 347Alaska Airlines
Find Deal
Tue, 11 Feb - Tue, 18 Feb
7:05 p.m. - 9:26 p.m.YYZ-SEA
5h 21mdirect
6:05 a.m. - 1:55 p.m.SEA-YYZ
4h 50mdirect
C$ 350United Airlines
Find Deal
Fri, 11 Apr - Thu, 17 Apr
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$ 351United Airlines
Find Deal
Thu, 13 Feb - Mon, 17 Feb
4:20 p.m. - 6:44 p.m.YYZ-SEA
5h 24mdirect
7:18 a.m. - 2:55 p.m.SEA-YYZ
4h 37mdirect
C$ 354Alaska Airlines
Find Deal
Tue, 18 Feb - Thu, 20 Feb
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$ 357
Find Deal
Fri, 14 Feb - Sat, 22 Feb
4:20 p.m. - 6:44 p.m.YYZ-SEA
5h 24mdirect
7:18 a.m. - 2:55 p.m.SEA-YYZ
4h 37mdirect
C$ 363Alaska Airlines
Find Deal
Mon, 24 Feb - Thu, 6 Mar
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$ 445Lufthansa
Find Deal
Thu, 13 Feb - Wed, 19 Feb
7:05 p.m. - 9:26 p.m.YYZ-SEA
5h 21mdirect
6:05 a.m. - 1:55 p.m.SEA-YYZ
4h 50mdirect
C$ 546Air Canada
Find Deal
Thu, 10 Apr - Wed, 16 Apr
7:05 p.m. - 9:26 p.m.YYZ-SEA
5h 21mdirect
12:20 p.m. - 8:02 p.m.SEA-YYZ
4h 42mdirect
C$ 636Air Canada
Find Deal
Wed, 9 Apr - Tue, 15 Jul

Air Canada flights from Toronto Pearson Intl Airport to Seattle

Our best Air Canada deals on Toronto Pearson Intl Airport to Seattle flight tickets
Air Canada
9 May
YYZ12:00 p.m.Toronto Pearson Intl
10h 37m
1 stop
SEA7:37 p.m.Seattle/Tacoma Intl
12 May
SEA1:45 p.m.Seattle/Tacoma Intl
6h 41m
1 stop
YYZ11:26 p.m.Toronto Pearson Intl
Air Canada
11 Apr
YYZ6:15 a.m.Toronto Pearson Intl
11h 08m
2 stops
SEA2:23 p.m.Seattle/Tacoma Intl
21 Apr
SEA6:05 a.m.Seattle/Tacoma Intl
4h 50m
YYZ1:55 p.m.Toronto Pearson Intl
Air Canada
11 Apr
YYZ6:15 a.m.Toronto Pearson Intl
11h 08m
2 stops
SEA2:23 p.m.Seattle/Tacoma Intl
19 Apr
SEA3:05 p.m.Seattle/Tacoma Intl
6h 52m
1 stop
YYZ12:57 a.m.Toronto Pearson Intl

WestJet flights from Toronto Pearson Intl Airport to Seattle

Our best WestJet deals on Toronto Pearson Intl Airport to Seattle flight tickets
WestJet
1 May
YYZ8:00 a.m.Toronto Pearson Intl
8h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
10 May
SEA7:05 a.m.Seattle/Tacoma Intl
7h 17m
1 stop
YYZ5:22 p.m.Toronto Pearson Intl
WestJet
2 May
YYZ8:00 a.m.Toronto Pearson Intl
8h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
7 May
SEA7:05 a.m.Seattle/Tacoma Intl
7h 17m
1 stop
YYZ5:22 p.m.Toronto Pearson Intl
WestJet
1 May
YYZ8:00 a.m.Toronto Pearson Intl
8h 08m
1 stop
SEA1:08 p.m.Seattle/Tacoma Intl
10 May
SEA2:05 p.m.Seattle/Tacoma Intl
12h 46m
2 stops
YYZ5:51 a.m.Toronto Pearson Intl

See travel insights to Seattle from

How to get the cheapest flight ticket from Toronto Pearson Intl Airport 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 typical price of a round-trip flight between Toronto Pearson Intl Airport and Seattle?

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 409.

What is the cheapest day to depart on your flight to Seattle?

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 667. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 769. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

What is the cheapest time of day to depart on your flight to Seattle?

Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from Toronto Pearson Intl Airport to Seattle during this time can be as low as C$ 567. Flights in the morning are often more expensive with an average ticket price of C$ 655.

What is the cheapest Toronto Pearson Intl to Seattle/Tacoma Intl flight route?

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Toronto Pearson Intl Airport when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 592 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Toronto Pearson Intl Airport for as low as C$ 497 on momondo.

What cabin class options are available on Toronto Pearson Intl to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Toronto Pearson Intl to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Toronto Pearson Intl Airport to Seattle flight prices changed over time?

As of January 2025, prices for Toronto Pearson Intl Airport to Seattle flights are approximately 22% cheaper when compared to flights at the same time last year.

When to book flights from Toronto Pearson Intl Airport to Seattle

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

Cheap Toronto Pearson Intl Airport to Seattle (YYZ to SEA) flight deals and tips

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

Best price found

C$ 171

Fastest flight time

5h 20m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Toronto Pearson Intl Airport in the past 72 hours is C$ 171. The best round-trip flight deal from Toronto Pearson Intl Airport to Seattle found on momondo in the last 72 hours is C$ 328.
The fastest flight from Toronto Pearson Intl Airport to Seattle takes 5h 20m
Direct flights go from Toronto Pearson Intl Airport to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    Seattle/Tacoma Intl is 3304.6 km away from Toronto Pearson Intl. A reasonable flight in good conditions will take 5h 20m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Toronto Pearson Intl Airport 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 Pearson Intl Airport to Seattle?

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


Best airlines flying from Toronto Pearson Intl Airport to Seattle

Compare and see reviews for airlines that fly from Toronto Pearson Intl Airport to Seattle with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 325Free CancellationRating
7.2
2,829 reviews
Search WestJet flights
Alaska AirlinesPriceFrom C$ 343Free CancellationRating
8.0
9,706 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 388Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 388Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
DeltaPriceFrom C$ 422Free CancellationRating
8.0
8,521 reviews
Search Delta flights
American AirlinesPriceFrom C$ 561Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Alaska Airlines Flights From Toronto Pearson Intl Airport to Seattle

    Alaska Airlines flies from Toronto Pearson Intl Airport to Seattle around 3 times per week, with 9,706 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Toronto Pearson Intl Airport to Seattle in the last 72 hours was C$ 238 (round-trip), much lower than the average airfare cost of C$ 405 for Alaska Airlines flights on this route.

  • United Airlines Flights From Toronto Pearson Intl Airport to Seattle

    United Airlines is also a popular choice for this route. United Airlines flight deals for Toronto Pearson Intl Airport to Seattle start from as low as C$ 269 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around C$ 511. United Airlines operates 7 flights to Seattle from Toronto Pearson Intl Airport in an average week. Users have rated it 7.4/10 across 8,984 reviews.


Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Marysville
SeaTac
Lynnwood
Tacoma
Olympia
Kent
Kirkland
Tukwila
Ocean Shores
Redmond
Lakewood
Shoreline
Renton
Centralia
Ellensburg
Mukilteo
Cle Elum
Gig Harbor
Poulsbo

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from Toronto.

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

If you are not ready to book a flight from Toronto to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.


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