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Cheap flights from Seattle to Toronto from $105

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 departing on 2/1. 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.
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$257Alaska Airlines
Find Deal
Fri, Jan 17 - Tue, Jan 21
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$267Alaska Airlines
Find Deal
Sun, Jan 19 - Wed, Jan 22
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$304Air Canada
Find Deal
Sat, Mar 8 - Wed, Mar 12
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$305Air Canada
Find Deal
Tue, Mar 4 - Fri, Mar 7
12:50 am - 1:41 pmSEA-YYZ
9h 51m1 stop
6:15 pm - 12:21 amYYZ-SEA
9h 06m1 stop
$316Delta
Find Deal
Mon, Dec 9 - Thu, Dec 12
11:55 pm - 3:21 pmSEA-YYZ
12h 26m2 stops
7:45 pm - 10:10 pmYYZ-SEA
5h 25mnonstop
$319United Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
7:00 am - 7:45 pmSEA-YYZ
9h 45m1 stop
12:25 pm - 10:00 pmYYZ-SEA
12h 35m2 stops
$324United Airlines
Find Deal
Sun, Jan 19 - Sun, Feb 2
5:30 am - 3:59 pmSEA-YYZ
7h 29m1 stop
5:04 pm - 12:23 amYYZ-SEA
10h 19m1 stop
$339Delta
Find Deal
Thu, Dec 12 - Sun, Dec 15
3:15 pm - 5:58 amSEA-YYZ
11h 43m2 stops
10:35 pm - 2:34 pmYYZ-SEA
18h 59m1 stop
$341WestJet
Find Deal
Tue, Mar 4 - Fri, Mar 7
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
10:05 pm - 2:21 pmYYZ-SEA
19h 16m2 stops
$344WestJet
Find Deal
Sun, Jan 19 - Sun, Feb 2
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
$105Alaska Airlines
Find Deal
Sat, Feb 1
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
$114Alaska Airlines
Find Deal
Wed, Dec 11
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
$128United Airlines
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Mon, Dec 30
1:30 pm - 10:52 pmSEA-YYZ
6h 22m1 stop
$132Delta
Find Deal
Sat, Feb 1
7:15 pm - 6:32 amSEA-YYZ
8h 17m1 stop
$133Air Canada
Find Deal
Mon, Dec 30
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$135WestJet
Find Deal
Wed, Dec 11
3:15 pm - 6:00 amSEA-YYZ
11h 45m2 stops
$136WestJet
Find Deal
Wed, Dec 11
11:55 pm - 9:58 amSEA-YYZ
7h 03m1 stop
$138United Airlines
Find Deal
Tue, Dec 10
5:45 am - 6:43 pmSEA-YTZ
9h 58m2 stops
$139Air Canada
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Thu, Dec 12
8:50 am - 11:34 pmSEA-YYZ
11h 44m1 stop
$154Delta
Find Deal
Sat, Dec 14
11:54 am - 6:18 amSEA-YYZ
15h 24m2 stops
9:05 pm - 2:21 pmYYZ-SEA
20h 16m1 stop
Sat, Nov 23 - Mon, Nov 25
9:35 pm - 10:36 pmSEA-YYZ
22h 01m2 stops
9:25 am - 12:57 amYYZ-SEA
18h 32m1 stop
Thu, Nov 21 - Sat, Nov 23
7:20 am - 12:39 amSEA-YYZ
14h 19m1 stop
7:55 am - 2:21 pmYYZ-SEA
9h 26m1 stop
$725WestJet
Find Deal
Sun, Nov 24 - Tue, Nov 26
3:15 pm - 5:55 amSEA-YYZ
11h 40m1 stop
10:35 pm - 2:21 pmYYZ-SEA
18h 46m1 stop
$925WestJet
Find Deal
Thu, Nov 21 - Sun, Nov 24
7:13 am - 2:55 pmSEA-YYZ
4h 42mnonstop
4:20 pm - 6:54 pmYYZ-SEA
5h 34mnonstop
$1,026Alaska Airlines
Find Deal
Sun, Nov 24 - Tue, Nov 26
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$1,115Air Canada
Find Deal
Thu, Nov 21 - Sat, Nov 23
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:15 pm - 9:40 pmYYZ-SEA
5h 25mnonstop
$1,155Air Canada
Find Deal
Sat, Nov 23 - Mon, Nov 25
11:55 pm - 12:30 pmSEA-YYZ
9h 35m1 stop
12:25 pm - 10:07 pmYYZ-SEA
12h 42m2 stops
$1,180United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
7:11 pm - 8:50 amSEA-YYZ
10h 39m2 stops
12:25 pm - 10:07 pmYYZ-SEA
12h 42m2 stops
$1,185United Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
3:40 pm - 10:51 amSEA-YYZ
16h 11m2 stops
11:37 am - 8:08 amYYZ-SEA
23h 31m2 stops
$1,486Alaska Airlines
Find Deal
Sat, Nov 23 - Mon, Nov 25
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$257Alaska Airlines
Find Deal
Fri, Jan 17 - Tue, Jan 21
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$267Alaska Airlines
Find Deal
Sun, Jan 19 - Wed, Jan 22
7:22 am - 2:55 pmSEA-YYZ
4h 33mnonstop
4:20 pm - 6:39 pmYYZ-SEA
5h 19mnonstop
$276Alaska Airlines
Find Deal
Tue, Dec 10 - Thu, Dec 12
7:27 am - 3:05 pmSEA-YYZ
4h 38mnonstop
4:20 pm - 6:43 pmYYZ-SEA
5h 23mnonstop
$287Alaska Airlines
Find Deal
Sun, Jan 26 - Fri, Jan 31
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$304Air Canada
Find Deal
Sat, Mar 8 - Wed, Mar 12
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$305Air Canada
Find Deal
Tue, Mar 4 - Fri, Mar 7
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
6:55 pm - 9:20 pmYYZ-SEA
5h 25mnonstop
$481Air Canada
Find Deal
Fri, Dec 13 - Thu, Dec 19
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$835United Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 3
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
7:05 pm - 9:30 pmYYZ-SEA
5h 25mnonstop
$853United Airlines
Find Deal
Wed, Dec 25 - Fri, Jan 3
6:05 am - 1:50 pmSEA-YYZ
4h 45mnonstop
6:55 pm - 9:20 pmYYZ-SEA
5h 25mnonstop
$1,868United Airlines
Find Deal
Sat, Dec 28 - Sat, Dec 28

Air Canada flights from Seattle to Toronto

Our best Air Canada deals on Seattle to Toronto flight tickets
Air Canada
Mar 8
SEA6:05 amSeattle/Tacoma Intl
4h 45m
YYZ1:50 pmToronto Pearson Intl
Mar 12
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
Air Canada
Mar 4
SEA6:05 amSeattle/Tacoma Intl
4h 45m
YYZ1:50 pmToronto Pearson Intl
Mar 7
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl
Air Canada
Feb 1
SEA7:05 pmSeattle/Tacoma Intl
8h 04m
1 stop
YYZ6:09 amToronto Pearson Intl
Feb 9
YYZ7:05 pmToronto Pearson Intl
5h 25m
SEA9:30 pmSeattle/Tacoma Intl

WestJet flights from Seattle to Toronto

Our best WestJet deals on Seattle to Toronto flight tickets
WestJet
Mar 4
SEA3:15 pmSeattle/Tacoma Intl
11h 43m
2 stops
YYZ5:58 amToronto Pearson Intl
Mar 7
YYZ10:35 pmToronto Pearson Intl
18h 59m
1 stop
SEA2:34 pmSeattle/Tacoma Intl
WestJet
Jan 19
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl
Feb 2
YYZ10:05 pmToronto Pearson Intl
19h 16m
2 stops
SEA2:21 pmSeattle/Tacoma Intl
WestJet
Jan 19
SEA3:15 pmSeattle/Tacoma Intl
11h 45m
2 stops
YYZ6:00 amToronto Pearson Intl
Jan 22
YYZ5:00 pmToronto Pearson Intl
20h 00m
2 stops
SEA10:00 amSeattle/Tacoma Intl

See travel insights to Toronto from

How to get the cheapest flight ticket from Seattle to Toronto

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 Seattle to Toronto?

January. The cheapest time of year to fly to Toronto from Seattle is January. Most expensive is March

What is the cheapest day to depart Seattle for Toronto?

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

When is the cheapest time to fly from Seattle to Toronto?

In the afternoon. Seattle to Toronto flights are approximately 48% more expensive in the morning than in the afternoon

What is the cheapest Seattle to Toronto flight route?

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

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

22 days before. The cheapest time to buy a flight from Seattle to Toronto is approximately 22 days to departure

Can stopping save me money on Seattle to Toronto flights?

No. A direct flight is the cheapest option for a flight between Seattle to Toronto.

How have Seattle to Toronto flight prices changed over time?

As of November 2024, prices for Seattle to Toronto flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Toronto

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

Cheap Seattle to Toronto (SEA to YTO) flight deals and tips

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

Best Price Found

$105

Fastest flight time

4h 33m

Direct flights

Every day

Airports in Toronto

3 airports
The best one-way flight to Toronto from Seattle in the past 72 hours is $105. The best round-trip flight deal from Seattle to Toronto found on momondo in the last 72 hours is $257.
The fastest flight from Seattle to Toronto takes 4h 33m
Direct flights go from Seattle to Toronto every day.
There are 3 airports near Toronto: Toronto Region of Waterloo Intl (YKF), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

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

    Seattle/Tacoma Intl and Toronto are 2065.1 mi apart from one another. By plane, this route typically takes 4h 33m.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Toronto 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. 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?

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


Best airlines flying from Seattle to Toronto

Compare and see reviews for airlines that fly from Seattle to Toronto with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $172Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
Air CanadaPriceFrom $178Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
WestJetPriceFrom $235Free CancellationRating
7.3
2,811 reviews
Search WestJet flights
Alaska AirlinesPriceFrom $248Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $464Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $474Free CancellationRating
8.0
8,756 reviews
Search Delta flights
  • Alaska Airlines Flights From Seattle to Toronto

    Alaska Airlines flight deals from Seattle to Toronto start from $248 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $516 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Seattle to Toronto

    United Airlines is also a popular choice for this route. United Airlines flight deals for Seattle to Toronto start from as low as $172 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $528. United Airlines operates 11 flights to Toronto from Seattle in an average week. Users have rated it 7.4/10 across 9,171 reviews.


Why use momondo?

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

It is quick and easy to find Seattle to Toronto 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 Toronto that suits you.

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

momondo does allow users to show only those flights to Toronto from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Toronto.

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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Find better results for your trip to Canada

Fly into one of these airports located in Toronto

Airports listed have a maximum distance of 52.0 mi from Toronto