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Cheap flights from Seattle to Toronto Pearson Intl Airport from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Toronto Pearson Intl Airport departing on 2/12. 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 Seattle to Toronto

Cheap round-trip flights

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

Cheap last minute flights

Planning a quick getaway from Seattle to Toronto? 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 Toronto, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Toronto

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All round-trip flight deals to Toronto

The cheapest plane tickets to Toronto found on KAYAK recently.
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
Tue, Feb 4 - Tue, Feb 11
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$235Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$242WestJet
Find Deal
Tue, Jan 14 - Tue, Jan 21
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$264WestJet
Find Deal
Mon, Jan 20 - Mon, Jan 27
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$290Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$304Air Canada
Find Deal
Mon, Jan 20 - Mon, Jan 27
7:00 am - 4:46 pmSEA-YYZ
6h 46m1 stop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$313United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
5:45 am - 8:01 pmSEA-YYZ
11h 16m2 stops
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$314United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 21
10:55 pm - 11:55 amSEA-YYZ
10h 00m1 stop
10:20 am - 6:59 pmYYZ-SEA
11h 39m1 stop
$315Delta
Find Deal
Mon, Mar 10 - Fri, Mar 14
5:40 pm - 6:15 amSEA-YYZ
9h 35m1 stop
8:00 am - 1:08 pmYYZ-SEA
8h 08m1 stop
$376Delta
Find Deal
Sat, Apr 12 - Sat, May 3
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$99Alaska Airlines
Find Deal
Wed, Feb 12
9:40 am - 5:55 amSEA-YYZ
17h 15m1 stop
Mon, Jan 20
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$126WestJet
Find Deal
Thu, Jan 16
3:15 pm - 5:58 amSEA-YYZ
11h 43m2 stops
$127WestJet
Find Deal
Wed, Mar 5
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$128United Airlines
Find Deal
Tue, Feb 4
6:00 am - 7:06 pmSEA-YYZ
10h 06m1 stop
$132Delta
Find Deal
Thu, Mar 6
5:00 am - 4:52 pmSEA-YYZ
8h 52m1 stop
$138United Airlines
Find Deal
Mon, Mar 17
9:25 am - 8:54 pmSEA-YYZ
8h 29m1 stop
$310Delta
Find Deal
Mon, Jan 6
5:45 am - 5:25 pmSEA-YYZ
8h 40m1 stop
$312Air Canada
Find Deal
Fri, Jan 3
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$442Air Canada
Find Deal
Sun, Jan 5
2:16 pm - 6:19 amSEA-YYZ
13h 03m2 stops
8:00 pm - 9:47 amYYZ-SEA
16h 47m1 stop
Wed, Dec 25 - Wed, Jan 8
5:08 pm - 1:07 amSEA-YYZ
28h 59m2 stops
8:00 pm - 9:47 amYYZ-SEA
16h 47m1 stop
Thu, Dec 26 - Wed, Jan 8
8:26 pm - 1:07 amSEA-YYZ
25h 41m1 stop
8:00 pm - 9:47 amYYZ-SEA
16h 47m1 stop
Thu, Dec 26 - Wed, Jan 8
7:45 pm - 6:15 amSEA-YYZ
7h 30m1 stop
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$583WestJet
Find Deal
Wed, Dec 25 - Tue, Jan 14
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
10:25 pm - 2:21 pmYYZ-SEA
42h 56m2 stops
$716WestJet
Find Deal
Wed, Dec 25 - Tue, Jan 14
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$746Air Canada
Find Deal
Wed, Dec 25 - Tue, Jan 14
7:26 am - 3:07 pmSEA-YYZ
4h 41mnonstop
4:22 pm - 6:42 pmYYZ-SEA
5h 20mnonstop
$990Alaska Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 2
7:26 am - 3:07 pmSEA-YYZ
4h 41mnonstop
4:22 pm - 6:42 pmYYZ-SEA
5h 20mnonstop
$1,025Alaska Airlines
Find Deal
Thu, Dec 26 - Sun, Dec 29
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
6:55 pm - 9:20 pmYYZ-SEA
5h 25mnonstop
$1,086Air Canada
Find Deal
Wed, Dec 25 - Mon, Dec 30
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
6:55 pm - 9:20 pmYYZ-SEA
5h 25mnonstop
$1,109United Airlines
Find Deal
Tue, Dec 24 - Mon, Dec 30
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$235Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$244Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$245Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$246Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$290Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$291Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
Mon, Jan 20 - Mon, Jan 27
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
Mon, Jan 20 - Sun, Jan 26
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$491United Airlines
Find Deal
Mon, Jan 6 - Sun, Jan 12
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$493United Airlines
Find Deal
Sun, Jan 12 - Tue, Jan 21

United Airlines flights from Seattle to Toronto Pearson Intl Airport

Our best United Airlines deals on Seattle to Toronto Pearson Intl Airport flight tickets
United Airlines
Jan 14
SEA7:00 amSeattle/Tacoma Intl
6h 46m
1 stop
YYZ4:46 pmToronto Pearson Intl
Jan 21
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
United Airlines
Jan 14
SEA5:45 amSeattle/Tacoma Intl
11h 16m
2 stops
YYZ8:01 pmToronto Pearson Intl
Jan 21
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
United Airlines
Feb 19
SEA3:04 pmSeattle/Tacoma Intl
20h 58m
2 stops
YYZ3:02 pmToronto Pearson Intl
Feb 23
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl

Alaska Airlines flights from Seattle to Toronto Pearson Intl Airport

Our best Alaska Airlines deals on Seattle to Toronto Pearson Intl Airport flight tickets
Alaska Airlines
Feb 4
SEA7:27 amSeattle/Tacoma Intl
4h 38m
YYZ3:05 pmToronto Pearson Intl
Feb 11
YYZ4:20 pmToronto Pearson Intl
5h 23m
SEA6:43 pmSeattle/Tacoma Intl
Alaska Airlines
Feb 4
SEA7:27 amSeattle/Tacoma Intl
4h 38m
YYZ3:05 pmToronto Pearson Intl
Feb 11
YYZ4:20 pmToronto Pearson Intl
5h 23m
SEA6:43 pmSeattle/Tacoma Intl
Alaska Airlines
Feb 4
SEA7:27 amSeattle/Tacoma Intl
4h 38m
YYZ3:05 pmToronto Pearson Intl
Feb 11
YYZ4:20 pmToronto Pearson Intl
5h 23m
SEA6:43 pmSeattle/Tacoma Intl

See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Toronto Pearson Intl Airport

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 Toronto Pearson Intl Airport?

The cheapest month to fly to Toronto Pearson Intl Airport from Seattle is in October. Flight prices, which tend to average around $403, are often lower during this time because this is during the off-season. If you don’t want to visit Toronto Pearson Intl Airport in October, then you should wait until September to fly from Seattle, when ticket prices are also cheap, with an average price of $406.

What is the cheapest day to depart on your flight to Toronto Pearson Intl Airport?

The cheapest day to depart from Seattle to Toronto Pearson Intl Airport is on a Tuesday when prices can be found for as low as $481. The most expensive day to fly to Toronto Pearson Intl Airport is Monday, with ticket prices averaging around $587.

What is the cheapest time of day to depart on your flight to Toronto Pearson Intl Airport?

Flying to Toronto Pearson Intl Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $284 when looking at flights departing in the afternoon. Flights in the morning are often more expensive with an average ticket price of $543.

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

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

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

In general, most travelers find the cheapest time to book a flight to Toronto Pearson Intl Airport is about 52 days prior to their departure date when tickets on average are $525. In the past 72 hours, momondo users found flights from Seattle to Toronto Pearson Intl Airport for as low as $256.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Toronto Pearson 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 Seattle to Toronto Pearson Intl Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Seattle to Toronto Pearson Intl Airport flight.

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

As of December 2024, prices for Seattle to Toronto Pearson Intl Airport flights are approximately 34% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Toronto Pearson Intl Airport

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

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

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

Best Price Found

$99

Fastest flight time

4h 35m

Direct flights

Every day
The best one-way flight to Toronto Pearson Intl Airport from Seattle in the past 72 hours is $99. The best round-trip flight deal from Seattle to Toronto Pearson Intl Airport found on momondo in the last 72 hours is $234.
The fastest flight from Seattle to Toronto Pearson Intl Airport takes 4h 35m
Direct flights go from Seattle to Toronto Pearson Intl Airport every day.

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

    Seattle/Tacoma Intl and Toronto Pearson Intl are 2053.4 mi apart from one another. Flights usually cover this in 4h 37m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Toronto Pearson Intl Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to Toronto Pearson Intl Airport?

    The travel and health documents you'll need for your trip to Toronto Pearson Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Toronto Pearson Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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


Best airlines flying from Seattle to Toronto Pearson Intl Airport

Compare and see reviews for airlines that fly from Seattle to Toronto Pearson Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $172Free CancellationRating
7.4
9,028 reviews
Search United Airlines flights
Air CanadaPriceFrom $176Free CancellationRating
7.0
8,413 reviews
Search Air Canada flights
WestJetPriceFrom $235Free CancellationRating
7.2
2,812 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $248Free CancellationRating
8.0
9,537 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $464Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $490Free CancellationRating
8.0
8,597 reviews
Search Delta flights
  • Alaska Airlines Flights From Seattle to Toronto Pearson Intl Airport

    Alaska Airlines operates around 3 flights from Seattle to Toronto Pearson Intl Airport every week. The average price of these flights found in the last 72 hours has been $522, but momondo users have found Alaska Airlines deals from Seattle to Toronto Pearson Intl Airport from as low as $248 round-trip. Alaska Airlines has been scored 8.0/10 in 9,537 reviews.

  • United Airlines Flights From Seattle to Toronto Pearson Intl Airport

    The best United Airlines deal for Seattle to Toronto Pearson Intl Airport flight tickets found on momondo in the last 72 hours was $172, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $526 round-trip. United Airlines operates 7 flights out of Seattle into Toronto Pearson Intl Airport in an average week, so prices vary by time and availability. 9,035 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 Seattle to Toronto?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Toronto. momondo saves you time and could save you money on your trip.

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

All flight searches from Seattle to Toronto on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Seattle to Toronto flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Seattle to Toronto flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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