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Cheap flights from Toronto Pearson Intl Airport to Seattle from $136

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 1/12. 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 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 to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$239WestJet
Find Deal
Tue, Jan 14 - Thu, Jan 16
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$242Air Canada
Find Deal
Tue, Feb 11 - Sun, Mar 9
8:00 am - 2:30 pmYYZ-SEA
9h 30m1 stop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$247Air Canada
Find Deal
Wed, Feb 12 - Sun, Mar 9
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
11:59 pm - 9:58 amSEA-YYZ
6h 59m1 stop
$251United Airlines
Find Deal
Thu, Feb 6 - Tue, Feb 25
4:30 pm - 6:50 pmYYZ-SEA
5h 20mnonstop
7:00 am - 2:40 pmSEA-YYZ
4h 40mnonstop
$256Alaska Airlines
Find Deal
Tue, Apr 15 - Mon, Apr 21
3:30 pm - 10:53 pmYYZ-SEA
10h 23m1 stop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$257United Airlines
Find Deal
Sun, Feb 9 - Tue, Mar 11
1:20 pm - 10:25 pmYYZ-SEA
12h 05m1 stop
10:55 pm - 11:55 amSEA-YYZ
10h 00m1 stop
$258Delta
Find Deal
Mon, Feb 10 - Mon, Mar 10
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$261Alaska Airlines
Find Deal
Thu, Jan 16 - Fri, Jan 17
5:00 pm - 12:50 amYYZ-SEA
10h 50m1 stop
11:05 pm - 9:17 amSEA-YYZ
7h 12m1 stop
$263Delta
Find Deal
Fri, Jan 17 - Sun, Feb 2
7:00 pm - 2:21 pmYYZ-SEA
22h 21m2 stops
3:15 pm - 5:58 amSEA-YYZ
11h 43m2 stops
$276WestJet
Find Deal
Mon, Feb 24 - Wed, Feb 26
7:25 pm - 8:57 amYYZ-SEA
16h 32m1 stop
Sun, Jan 12
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$139WestJet
Find Deal
Mon, Jan 27
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$157United Airlines
Find Deal
Thu, Jan 30
5:00 pm - 12:50 amYYZ-SEA
10h 50m1 stop
$158Delta
Find Deal
Thu, Jan 30
9:30 am - 7:08 pmYYZ-SEA
12h 38m2 stops
$162United Airlines
Find Deal
Thu, Jan 30
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$234Air Canada
Find Deal
Mon, Mar 24
5:55 pm - 11:59 pmYYZ-SEA
9h 04m1 stop
$248Delta
Find Deal
Tue, May 27
7:05 pm - 9:26 pmYYZ-SEA
5h 21mnonstop
$271Air Canada
Find Deal
Tue, Apr 1
4:20 pm - 6:40 pmYYZ-SEA
5h 20mnonstop
$272Alaska Airlines
Find Deal
Sat, May 10
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$281Alaska Airlines
Find Deal
Wed, Jan 8
6:15 am - 12:45 pmYYZ-SEA
9h 30m1 stop
7:14 am - 10:43 pmSEA-YYZ
12h 29m1 stop
$503American Airlines
Find Deal
Tue, Dec 24 - Sat, Feb 1
1:50 pm - 2:21 pmYYZ-SEA
27h 31m1 stop
9:57 am - 6:18 amSEA-YYZ
17h 21m2 stops
Mon, Dec 23 - Fri, Jan 10
4:22 pm - 6:42 pmYYZ-SEA
5h 20mnonstop
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$563Alaska Airlines
Find Deal
Tue, Dec 24 - Sat, Feb 1
1:50 pm - 2:21 pmYYZ-SEA
27h 31m1 stop
9:57 am - 6:46 amSEA-YYZ
17h 49m1 stop
Mon, Dec 23 - Fri, Jan 10
3:05 pm - 10:00 pmYYZ-SEA
9h 55m1 stop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$577Air Canada
Find Deal
Tue, Dec 24 - Sat, Feb 1
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
3:15 pm - 5:58 amSEA-YYZ
11h 43m2 stops
$630WestJet
Find Deal
Tue, Dec 24 - Sat, Feb 1
1:30 pm - 8:50 pmYYZ-SEA
10h 20m1 stop
3:15 pm - 6:35 amSEA-YYZ
12h 20m1 stop
Thu, Dec 26 - Tue, Dec 31
10:30 am - 5:00 pmYYZ-SEA
9h 30m1 stop
5:30 pm - 6:19 amSEA-YYZ
9h 49m2 stops
$649WestJet
Find Deal
Wed, Dec 25 - Mon, Dec 30
4:22 pm - 6:42 pmYYZ-SEA
5h 20mnonstop
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$680Alaska Airlines
Find Deal
Mon, Dec 23 - Fri, Jan 10
5:25 pm - 10:00 pmYYZ-SEA
7h 35m1 stop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$816Air Canada
Find Deal
Thu, Dec 26 - Mon, Dec 30
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$242Air Canada
Find Deal
Tue, Feb 11 - Sun, Mar 9
4:30 pm - 6:50 pmYYZ-SEA
5h 20mnonstop
7:00 am - 2:40 pmSEA-YYZ
4h 40mnonstop
$256Alaska Airlines
Find Deal
Tue, Apr 15 - Mon, Apr 21
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$258Lufthansa
Find Deal
Sun, Jan 12 - Tue, Jan 21
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$261Alaska Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 21
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$265Air Canada
Find Deal
Wed, Jan 15 - Sat, Jan 18
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$266United Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 21
4:05 pm - 6:25 pmYYZ-SEA
5h 20mnonstop
7:00 am - 2:40 pmSEA-YYZ
4h 40mnonstop
$279Alaska Airlines
Find Deal
Fri, Mar 28 - Sat, Apr 5
4:45 pm - 6:59 pmYYZ-SEA
5h 14mnonstop
7:15 am - 3:00 pmSEA-YYZ
4h 45mnonstop
$283Alaska Airlines
Find Deal
Tue, Apr 22 - Sun, Apr 27
4:10 pm - 6:34 pmYYZ-SEA
5h 24mnonstop
7:18 am - 2:55 pmSEA-YYZ
4h 37mnonstop
$324Alaska Airlines
Find Deal
Thu, Mar 6 - Mon, Mar 10
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$487United Airlines
Find Deal
Thu, Jan 16 - Sun, Jan 19

Alaska Airlines flights from Toronto Pearson Intl Airport to Seattle

Our best Alaska Airlines deals on Toronto Pearson Intl Airport to Seattle flight tickets
Alaska Airlines
Apr 15
YYZ4:30 pmToronto Pearson Intl
5h 20m
SEA6:50 pmSeattle/Tacoma Intl
Apr 21
SEA7:00 amSeattle/Tacoma Intl
4h 40m
YYZ2:40 pmToronto Pearson Intl
Alaska Airlines
Jan 16
YYZ4:20 pmToronto Pearson Intl
5h 23m
SEA6:43 pmSeattle/Tacoma Intl
Jan 17
SEA7:27 amSeattle/Tacoma Intl
4h 38m
YYZ3:05 pmToronto Pearson Intl
Alaska Airlines
Mar 28
YYZ4:05 pmToronto Pearson Intl
5h 20m
SEA6:25 pmSeattle/Tacoma Intl
Apr 5
SEA7:00 amSeattle/Tacoma Intl
4h 40m
YYZ2:40 pmToronto 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
Jan 14
YYZ7:55 amToronto Pearson Intl
9h 26m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Jan 16
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl
WestJet
Feb 24
YYZ7:00 pmToronto Pearson Intl
22h 21m
2 stops
SEA2:21 pmSeattle/Tacoma Intl
Feb 26
SEA3:15 pmSeattle/Tacoma Intl
11h 43m
2 stops
YYZ5:58 amToronto Pearson Intl
WestJet
Jan 17
YYZ8:40 pmToronto Pearson Intl
16h 20m
1 stop
SEA10:00 amSeattle/Tacoma Intl
Jan 20
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto 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 cheapest month to fly to Seattle?

In general, November is the cheapest month to fly from Toronto Pearson Intl Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $343. If you don’t want to visit Seattle in November, then you should wait until October to fly from Toronto Pearson Intl Airport, when ticket prices are also cheap, with an average price of $360.

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

On average, the least expensive day to fly to Seattle from Toronto Pearson Intl Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $455. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Toronto Pearson Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $522.

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

Flying to Seattle from Toronto Pearson Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $483 when looking at flights departing in the morning. Flights to Seattle are more costly at noon, with an average ticket price of $539. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 58 days ahead of your departure date. In general, you can expect to find flights to Seattle for around $447 when searching 58 days out. Keep in mind that you might be able to find cheaper flights to Seattle at any time. In fact, our users found flights for as low as $285 in the past 72 hours.

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.

Can stopping save me money on Toronto Pearson Intl Airport to Seattle flights?

You could potentially save up to 5% on your flight if you consider stops on a Toronto Pearson Intl Airport to Seattle flight.

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

As of December 2024, prices for Toronto Pearson Intl Airport to Seattle flights are approximately 35% 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

$136

Fastest flight time

5h 14m

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 $136. The best round-trip flight deal from Toronto Pearson Intl Airport to Seattle found on momondo in the last 72 hours is $239.
The fastest flight from Toronto Pearson Intl Airport to Seattle takes 5h 14m
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?

    The distance between Toronto Pearson Intl and Seattle/Tacoma Intl is about 2053.4 mi. In terms of flight time, this usually takes a little over 5h 14m.

  • 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 were last updated today.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $238Free CancellationRating
7.2
2,812 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $246Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $263Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Air CanadaPriceFrom $272Free CancellationRating
7.0
8,413 reviews
Search Air Canada flights
DeltaPriceFrom $292Free CancellationRating
8.0
8,594 reviews
Search Delta flights
American AirlinesPriceFrom $402Free 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 5 times per week, with 9,537 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 $246 (round-trip), much lower than the average airfare cost of $422 for Alaska Airlines flights on this route.

  • United Airlines Flights From Toronto Pearson Intl Airport to Seattle

    The best United Airlines deal for Toronto Pearson Intl Airport to Seattle flight tickets found on momondo in the last 72 hours was $263, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $545 round-trip. United Airlines operates 7 flights out of Toronto Pearson Intl Airport into Seattle in an average week, so prices vary by time and availability. 9,028 United Airlines reviews by users on momondo have scored the airline at 7.4/10.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Toronto to Seattle. Millions of users trust and use momondo every year so you are in good hands.

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?

Price alerts on flights to Seattle from Toronto are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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