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Cheap flights from Seattle to Toronto Pearson Intl Airport from C$ 137

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 6/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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

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

All round-trip flight deals to Toronto

The cheapest plane tickets to Toronto found on KAYAK recently.
2:16 p.m. - 6:46 a.m.SEA-YYZ
13h 30m1 stop
8:00 p.m. - 12:19 a.m.YYZ-SEA
31h 19m1 stop
C$ 334
Find Deal
Wed, 8 Jan - Mon, 13 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 336Alaska Airlines
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Sat, 11 Jan - Sat, 18 Jan
7:00 a.m. - 9:25 p.m.SEA-YYZ
11h 25m1 stop
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 413Lufthansa
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Sat, 1 Feb - Sat, 8 Feb
6:15 a.m. - 9:25 p.m.SEA-YYZ
12h 10m2 stops
2:00 p.m. - 9:11 p.m.YYZ-SEA
10h 11m2 stops
C$ 421Lufthansa
Find Deal
Sat, 1 Feb - Sat, 8 Feb
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 427Air Canada
Find Deal
Tue, 14 Jan - Tue, 21 Jan
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 434United Airlines
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Sat, 11 Jan - Tue, 14 Jan
7:05 p.m. - 6:09 a.m.SEA-YYZ
8h 04m1 stop
11:50 p.m. - 9:50 a.m.YYZ-SEA
13h 00m2 stops
C$ 437Air Canada
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Fri, 31 Jan - Fri, 7 Feb
3:20 p.m. - 9:11 p.m.SEA-YYZ
26h 51m1 stop
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 444WestJet
Find Deal
Sat, 11 Jan - Tue, 14 Jan
7:00 a.m. - 7:45 p.m.SEA-YYZ
9h 45m1 stop
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 447United Airlines
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Fri, 31 Jan - Fri, 7 Feb
3:20 p.m. - 12:38 p.m.SEA-YYZ
18h 18m1 stop
8:00 p.m. - 2:21 p.m.YYZ-SEA
21h 21m1 stop
C$ 454WestJet
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Sat, 11 Jan - Sat, 18 Jan
3:15 p.m. - 5:58 a.m.SEA-YYZ
11h 43m2 stops
C$ 137WestJet
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Thu, 6 Feb
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 141Alaska Airlines
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Wed, 15 Jan
7:10 a.m. - 6:46 a.m.SEA-YYZ
20h 36m1 stop
C$ 149
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Wed, 15 Jan
7:10 a.m. - 12:39 a.m.SEA-YYZ
14h 29m2 stops
C$ 156
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Wed, 15 Jan
6:00 a.m. - 7:09 p.m.SEA-YYZ
10h 09m1 stop
C$ 187Delta
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Thu, 16 Jan
11:05 p.m. - 11:59 a.m.SEA-YYZ
9h 54m1 stop
C$ 189Delta
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Fri, 31 Jan
5:00 a.m. - 4:52 p.m.SEA-YYZ
8h 52m1 stop
C$ 190United Airlines
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Sat, 8 Mar
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 196Air Canada
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Wed, 15 Jan
5:45 a.m. - 8:15 p.m.SEA-YYZ
11h 30m2 stops
C$ 197United Airlines
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Sat, 1 Feb
10:35 a.m. - 10:40 p.m.SEA-YYZ
9h 05m2 stops
C$ 440Air Canada
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Thu, 2 Jan
7:00 p.m. - 11:59 p.m.SEA-YYZ
25h 59m2 stops
10:00 a.m. - 12:19 a.m.YYZ-SEA
17h 19m2 stops
C$ 866
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Sat, 21 Dec - Sat, 11 Jan
7:00 p.m. - 11:59 p.m.SEA-YYZ
25h 59m2 stops
9:30 a.m. - 5:00 p.m.YYZ-SEA
10h 30m1 stop
C$ 924
Find Deal
Sat, 21 Dec - Sat, 11 Jan
11:59 p.m. - 4:19 p.m.SEA-YYZ
13h 20m1 stop
5:10 p.m. - 11:31 p.m.YYZ-SEA
9h 21m1 stop
C$ 938American Airlines
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Sat, 21 Dec - Sat, 11 Jan
3:20 p.m. - 5:29 p.m.SEA-YYZ
23h 09m1 stop
10:40 p.m. - 8:05 a.m.YYZ-SEA
12h 25m1 stop
C$ 1,014WestJet
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Sat, 21 Dec - Sun, 29 Dec
1:40 p.m. - 12:40 a.m.SEA-YYZ
8h 00m1 stop
6:15 p.m. - 8:05 a.m.YYZ-SEA
16h 50m1 stop
C$ 1,088WestJet
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Mon, 23 Dec - Sun, 29 Dec
12:55 a.m. - 4:19 p.m.SEA-YYZ
12h 24m1 stop
5:10 p.m. - 11:31 p.m.YYZ-SEA
9h 21m1 stop
C$ 1,301American Airlines
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Fri, 20 Dec - Sat, 11 Jan
7:26 a.m. - 3:07 p.m.SEA-YYZ
4h 41mdirect
4:22 p.m. - 6:42 p.m.YYZ-SEA
5h 20mdirect
C$ 1,398Alaska Airlines
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Thu, 19 Dec - Wed, 25 Dec
7:26 a.m. - 3:07 p.m.SEA-YYZ
4h 41mdirect
4:22 p.m. - 6:42 p.m.YYZ-SEA
5h 20mdirect
C$ 1,475Alaska Airlines
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Thu, 19 Dec - Sun, 29 Dec
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
6:55 p.m. - 9:20 p.m.YYZ-SEA
5h 25mdirect
C$ 1,483Air Canada
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Mon, 23 Dec - Sun, 29 Dec
3:05 p.m. - 12:57 a.m.SEA-YYZ
6h 52m1 stop
11:30 a.m. - 6:25 p.m.YYZ-SEA
9h 55m1 stop
C$ 1,567Air Canada
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Fri, 20 Dec - Sat, 4 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 336Alaska Airlines
Find Deal
Sat, 11 Jan - Sat, 18 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 351Alaska Airlines
Find Deal
Tue, 14 Jan - Tue, 21 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 353Alaska Airlines
Find Deal
Wed, 29 Jan - Thu, 30 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
4:20 p.m. - 6:43 p.m.YYZ-SEA
5h 23mdirect
C$ 357Alaska Airlines
Find Deal
Wed, 29 Jan - Thu, 30 Jan
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 397
Find Deal
Sat, 11 Jan - Sat, 18 Jan
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 413Lufthansa
Find Deal
Sat, 1 Feb - Sat, 8 Feb
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 414Air Canada
Find Deal
Wed, 29 Jan - Thu, 30 Jan
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 421Air Canada
Find Deal
Sat, 11 Jan - Tue, 14 Jan
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 434United Airlines
Find Deal
Sat, 11 Jan - Tue, 14 Jan
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:05 p.m. - 9:30 p.m.YYZ-SEA
5h 25mdirect
C$ 461United Airlines
Find Deal
Sat, 11 Jan - Sat, 18 Jan

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
11 Jan
SEA7:27 a.m.Seattle/Tacoma Intl
4h 38m
YYZ3:05 p.m.Toronto Pearson Intl
18 Jan
YYZ4:20 p.m.Toronto Pearson Intl
5h 23m
SEA6:43 p.m.Seattle/Tacoma Intl
Alaska Airlines
11 Jan
SEA7:27 a.m.Seattle/Tacoma Intl
4h 38m
YYZ3:05 p.m.Toronto Pearson Intl
14 Jan
YYZ4:20 p.m.Toronto Pearson Intl
5h 23m
SEA6:43 p.m.Seattle/Tacoma Intl
Alaska Airlines
29 Jan
SEA7:27 a.m.Seattle/Tacoma Intl
4h 38m
YYZ3:05 p.m.Toronto Pearson Intl
30 Jan
YYZ4:20 p.m.Toronto Pearson Intl
5h 23m
SEA6:43 p.m.Seattle/Tacoma Intl

WestJet flights from Seattle to Toronto Pearson Intl Airport

Our best WestJet deals on Seattle to Toronto Pearson Intl Airport flight tickets
WestJet
11 Jan
SEA3:20 p.m.Seattle/Tacoma Intl
26h 51m
1 stop
YYZ9:11 p.m.Toronto Pearson Intl
14 Jan
YYZ7:55 a.m.Toronto Pearson Intl
9h 26m
1 stop
SEA2:21 p.m.Seattle/Tacoma Intl
WestJet
11 Jan
SEA3:20 p.m.Seattle/Tacoma Intl
18h 18m
1 stop
YYZ12:38 p.m.Toronto Pearson Intl
18 Jan
YYZ8:00 p.m.Toronto Pearson Intl
21h 21m
1 stop
SEA2:21 p.m.Seattle/Tacoma Intl
WestJet
24 Jan
SEA3:15 p.m.Seattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 a.m.Toronto Pearson Intl
26 Jan
YYZ8:00 p.m.Toronto Pearson Intl
21h 21m
1 stop
SEA2:21 p.m.Seattle/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?

If you aren’t able to travel during the month of October, then book flights to Toronto Pearson Intl Airport from Seattle during September instead. Flights to Toronto Pearson Intl Airport in September, while not as cheap as those in October, still average around C$ 580.

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

Our data shows that Sunday is the least expensive day to fly to Toronto Pearson Intl Airport. Tickets to fly out on this day can be as low as C$ 463. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Toronto Pearson Intl Airport for around C$ 798.

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

Our data shows that the cheapest Seattle to Toronto Pearson Intl Airport flights are usually those with departure times in the afternoon. Our users have found flights to Toronto Pearson Intl Airport in the afternoon for as low as C$ 494. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 830 on average. Flights to Toronto Pearson Intl Airport from Seattle at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 travellers 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 C$ 750. Keep in mind that you might also find cheap flights to Toronto Pearson Intl Airport outside of this time window. In fact, momondo users recently found flights from Seattle to Toronto Pearson Intl Airport for C$ 522.

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

There are 3 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 3% 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 38% 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

C$ 137

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 C$ 137. The best round-trip flight deal from Seattle to Toronto Pearson Intl Airport found on momondo in the last 72 hours is C$ 334.
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?

    The distance between Seattle/Tacoma Intl and Toronto Pearson Intl is about 3304.6 km. 4h 35m is a normal flight duration for this route.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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 required for your trip to Toronto Pearson 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 Toronto Pearson 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 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
Air CanadaPriceFrom C$ 233Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom C$ 381Free CancellationRating
8.0
9,552 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From Seattle to Toronto Pearson Intl Airport

    Alaska Airlines operates around 1 flight from Seattle to Toronto Pearson Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 466, but momondo users have found Alaska Airlines deals from Seattle to Toronto Pearson Intl Airport from as low as C$ 267 round-trip. Alaska Airlines has been scored 8.0/10 in 9,554 reviews.

  • Air Canada Flights From Seattle to Toronto Pearson Intl Airport

    Air Canada (7.0/10 from 8,382 reviews) operates around 3 flights from Seattle to Toronto Pearson Intl Airport in any given week. The average Air Canada airfare for this route is around C$ 590, with deals from around C$ 163 rare but found on momondo. Referenced prices are for round-trip Seattle to Toronto Pearson Intl Airport flight searches in the last 72 hours.


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?

Flights from Seattle to Toronto 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 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?

Yes. momondo can track prices for Seattle to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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