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Cheap flights from Toronto Pearson Intl Airport to Seattle from $142

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 12/4. 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
$251WestJet
Find Deal
Thu, Nov 28 - Wed, Dec 4
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$254WestJet
Find Deal
Thu, Nov 28 - Thu, Dec 12
4:20 pm - 6:55 pmYYZ-SEA
5h 35mnonstop
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
$265Alaska Airlines
Find Deal
Thu, Nov 28 - Fri, Dec 6
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$266Air Canada
Find Deal
Wed, Jan 8 - Mon, Jan 13
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
7:05 pm - 6:09 amSEA-YYZ
8h 04m1 stop
$271Air Canada
Find Deal
Wed, Jan 8 - Thu, Jan 9
2:45 pm - 11:17 pmYYZ-SEA
11h 32m1 stop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$280United Airlines
Find Deal
Mon, Jan 6 - Sun, Jan 12
4:20 pm - 6:55 pmYYZ-SEA
5h 35mnonstop
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
$286Alaska Airlines
Find Deal
Thu, Nov 28 - Sat, Nov 30
2:45 pm - 11:17 pmYYZ-SEA
11h 32m1 stop
11:59 pm - 9:58 amSEA-YYZ
6h 59m1 stop
$289United Airlines
Find Deal
Mon, Jan 6 - Wed, Jan 8
6:20 pm - 11:24 pmYYZ-SEA
8h 04m1 stop
11:59 pm - 4:19 pmSEA-YYZ
13h 20m1 stop
$322American Airlines
Find Deal
Tue, Nov 26 - Thu, Dec 12
12:36 pm - 10:21 pmYYZ-SEA
12h 45m1 stop
12:31 am - 9:25 pmSEA-YYZ
17h 54m1 stop
$353American Airlines
Find Deal
Mon, Dec 16 - Sun, Dec 29
8:00 pm - 8:57 amYYZ-SEA
15h 57m1 stop
Wed, Dec 4
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$150WestJet
Find Deal
Tue, Dec 3
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$157Air Canada
Find Deal
Wed, Jan 8
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$168Air Canada
Find Deal
Tue, Dec 3
6:30 pm - 2:00 pmYYZ-SEA
22h 30m2 stops
$173United Airlines
Find Deal
Thu, Jan 30
8:00 am - 9:20 pmYYZ-SEA
16h 20m2 stops
$177United Airlines
Find Deal
Wed, Jan 8
4:20 pm - 6:54 pmYYZ-SEA
5h 34mnonstop
$220Alaska Airlines
Find Deal
Wed, Nov 27
4:22 pm - 6:42 pmYYZ-SEA
5h 20mnonstop
$266Alaska Airlines
Find Deal
Thu, Dec 19
11:40 am - 11:31 pmYYZ-SEA
14h 51m1 stop
$328American Airlines
Find Deal
Wed, Jan 1
2:00 pm - 9:46 amYYZ-SEA
22h 46m1 stop
$385American Airlines
Find Deal
Sat, Nov 9
8:00 pm - 6:26 pmYYZ-SEA
25h 26m1 stop
4:03 pm - 8:05 pmSEA-YYZ
25h 02m1 stop
Wed, Nov 6 - Thu, Nov 14
8:00 pm - 6:26 pmYYZ-SEA
25h 26m1 stop
10:11 pm - 5:30 pmSEA-YYZ
16h 19m2 stops
Wed, Nov 6 - Thu, Nov 14
4:20 pm - 6:40 pmYYZ-SEA
5h 20mnonstop
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
$574Alaska Airlines
Find Deal
Tue, Nov 5 - Tue, Dec 3
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
7:15 pm - 6:09 amSEA-YYZ
7h 54m1 stop
$605Air Canada
Find Deal
Tue, Nov 5 - Tue, Dec 3
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
7:15 pm - 2:02 pmSEA-YYZ
15h 47m1 stop
$749Air Canada
Find Deal
Fri, Nov 8 - Mon, Nov 18
9:00 am - 2:21 pmYYZ-SEA
8h 21m1 stop
7:20 am - 9:11 pmSEA-YYZ
10h 51m2 stops
$761WestJet
Find Deal
Tue, Nov 5 - Wed, Nov 13
4:20 pm - 6:40 pmYYZ-SEA
5h 20mnonstop
7:17 am - 2:55 pmSEA-YYZ
4h 38mnonstop
$770Alaska Airlines
Find Deal
Fri, Nov 8 - Tue, Nov 19
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
9:26 am - 12:39 amSEA-YYZ
12h 13m1 stop
$775WestJet
Find Deal
Tue, Nov 5 - Wed, Nov 13
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$820United Airlines
Find Deal
Tue, Nov 5 - Wed, Nov 13
5:30 pm - 10:46 pmYYZ-SEA
8h 16m1 stop
11:55 pm - 1:42 pmSEA-YYZ
10h 47m1 stop
$1,428United Airlines
Find Deal
Wed, Nov 6 - Fri, Nov 8
4:20 pm - 6:55 pmYYZ-SEA
5h 35mnonstop
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
$265Alaska Airlines
Find Deal
Thu, Nov 28 - Fri, Dec 6
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$266Air Canada
Find Deal
Wed, Jan 8 - Mon, Jan 13
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$281Air Canada
Find Deal
Thu, Nov 28 - Wed, Dec 4
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$282Air Canada
Find Deal
Thu, Nov 28 - Wed, Dec 4
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$283Air Canada
Find Deal
Thu, Dec 5 - Tue, Dec 10
4:20 pm - 6:55 pmYYZ-SEA
5h 35mnonstop
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
$286Alaska Airlines
Find Deal
Thu, Nov 28 - Sat, Nov 30
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$288Air Canada
Find Deal
Thu, Nov 28 - Tue, Dec 3
4:20 pm - 6:55 pmYYZ-SEA
5h 35mnonstop
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
$297Alaska Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 1
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$564United Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$658United Airlines
Find Deal
Fri, Nov 22 - Mon, Nov 25

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
Jan 8
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
Jan 13
SEA6:05 amSeattle/Tacoma Intl
4h 45m
YYZ1:50 pmToronto Pearson Intl
Air Canada
Jan 8
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
Jan 9
SEA7:05 pmSeattle/Tacoma Intl
8h 04m
1 stop
YYZ6:09 amToronto Pearson Intl
Air Canada
Jan 16
YYZ8:30 amToronto Pearson Intl
9h 00m
1 stop
SEA2:30 pmSeattle/Tacoma Intl
Jan 19
SEA7:05 pmSeattle/Tacoma Intl
8h 04m
1 stop
YYZ6:09 amToronto 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
Nov 28
YYZ7:55 amToronto Pearson Intl
9h 26m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Dec 4
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl
WestJet
Nov 28
YYZ7:55 amToronto Pearson Intl
9h 26m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Dec 12
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl
WestJet
Dec 9
YYZ7:55 amToronto Pearson Intl
9h 26m
1 stop
SEA2:21 pmSeattle/Tacoma Intl
Dec 12
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl

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 from Toronto Pearson Intl Airport to Seattle?

October. The cheapest time of year to fly to Seattle from Toronto Pearson Intl Airport is October. Most expensive is March

What is the cheapest day to depart Toronto Pearson Intl Airport for Seattle?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Monday

When is the cheapest time to fly from Toronto Pearson Intl Airport to Seattle?

At noon. Toronto Pearson Intl Airport to Seattle flights are approximately 6% more expensive in the afternoon than at noon

What is the cheapest airline that flies to Seattle from Toronto Pearson Intl Airport?

WestJet. WestJet, Alaska Airlines, and Delta are the most popular carriers operating from Toronto Pearson Intl Airport to Seattle

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

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

How many flights depart from Toronto Pearson Intl Airport to Seattle on average per day?

As of November 2024, 3 flights take off from Toronto Pearson Intl Airport and land in Seattle each day. The most common flight departure time for this route is 7:00PM, with 64% of daily flights taking off in the evening.

How many flights depart from Toronto Pearson Intl Airport to Seattle on average per week?

The number of flights available between Toronto Pearson Intl Airport and Seattle is 21 per week as of November 2024. The most frequent departure day is Sunday, with 19% of weekly flights leaving on this day.

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

There are 2 cabin classes available to choose from on Toronto Pearson Intl Airport to Seattle 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 9% 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 November 2024, prices for Toronto Pearson Intl Airport to Seattle flights are approximately 28% 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

$142

Fastest flight time

5h 19m

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 $142. The best round-trip flight deal from Toronto Pearson Intl Airport to Seattle found on momondo in the last 72 hours is $251.
The fastest flight from Toronto Pearson Intl Airport to Seattle takes 5h 19m
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 19m.

  • 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
Alaska AirlinesPriceFrom $205Free CancellationRating
8.0
9,423 reviews
Search Alaska Airlines flights
WestJetPriceFrom $244Free CancellationRating
7.3
2,803 reviews
Search WestJet flights
Air CanadaPriceFrom $325Free CancellationRating
7.0
8,123 reviews
Search Air Canada flights
United AirlinesPriceFrom $329Free CancellationRating
7.4
9,226 reviews
Search United Airlines flights
DeltaPriceFrom $354Free CancellationRating
8.0
8,829 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 1 time per week, with 9,423 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 $205 (round-trip), much lower than the average airfare cost of $454 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 $329, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $597 round-trip. United Airlines operates 6 flights out of Toronto Pearson Intl Airport into Seattle in an average week, so prices vary by time and availability. 9,226 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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