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Cheap flights from Seattle to Toronto from C$ 147

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 1/2. 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.
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$ 360Alaska Airlines
Find Deal
vie., 17 ene. - mar., 21 ene.
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 364
Find Deal
jue., 16 ene. - dom., 19 ene.
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 400WestJet
Find Deal
jue., 16 ene. - dom., 19 ene.
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$ 426Air Canada
Find Deal
sáb., 8 mar. - mié., 12 mar.
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
mar., 4 mar. - vie., 7 mar.
12:50 a.m. - 1:41 p.m.SEA-YYZ
9h 51m1 stop
6:15 p.m. - 12:21 a.m.YYZ-SEA
9h 06m1 stop
C$ 442Delta
Find Deal
lun., 9 dic. - jue., 12 dic.
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
12:00 p.m. - 2:21 p.m.YYZ-SEA
29h 21m2 stops
C$ 444WestJet
Find Deal
jue., 16 ene. - dom., 19 ene.
11:55 p.m. - 3:21 p.m.SEA-YYZ
12h 26m2 stops
7:45 p.m. - 10:10 p.m.YYZ-SEA
5h 25mdirect
C$ 447United Airlines
Find Deal
mar., 10 dic. - jue., 12 dic.
7:00 a.m. - 7:45 p.m.SEA-YYZ
9h 45m1 stop
12:25 p.m. - 10:00 p.m.YYZ-SEA
12h 35m2 stops
C$ 454United Airlines
Find Deal
dom., 19 ene. - dom., 2 feb.
5:30 a.m. - 3:59 p.m.SEA-YYZ
7h 29m1 stop
5:04 p.m. - 12:23 a.m.YYZ-SEA
10h 19m1 stop
C$ 475Delta
Find Deal
jue., 12 dic. - dom., 15 dic.
7:27 a.m. - 3:05 p.m.SEA-YYZ
4h 38mdirect
C$ 147Alaska Airlines
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sáb., 1 feb.
7:22 a.m. - 2:55 p.m.SEA-YYZ
4h 33mdirect
C$ 160Alaska Airlines
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mié., 11 dic.
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
C$ 179United Airlines
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lun., 30 dic.
5:30 a.m. - 3:59 p.m.SEA-YYZ
7h 29m1 stop
C$ 185Delta
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lun., 16 dic.
7:15 p.m. - 6:32 a.m.SEA-YYZ
8h 17m1 stop
C$ 186Air Canada
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lun., 30 dic.
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 189WestJet
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mié., 11 dic.
3:15 p.m. - 6:00 a.m.SEA-YYZ
11h 45m2 stops
C$ 190WestJet
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mié., 11 dic.
11:55 p.m. - 9:58 a.m.SEA-YYZ
7h 03m1 stop
C$ 193United Airlines
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mar., 10 dic.
5:45 a.m. - 6:43 p.m.SEA-YTZ
9h 58m2 stops
C$ 195Air Canada
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jue., 12 dic.
8:50 a.m. - 11:34 p.m.SEA-YYZ
11h 44m1 stop
C$ 216Delta
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sáb., 14 dic.
11:54 a.m. - 6:18 a.m.SEA-YYZ
15h 24m2 stops
9:05 p.m. - 2:21 p.m.YYZ-SEA
20h 16m1 stop
C$ 981
Find Deal
sáb., 23 nov. - lun., 25 nov.
9:35 p.m. - 10:36 p.m.SEA-YYZ
22h 01m2 stops
9:25 a.m. - 12:57 a.m.YYZ-SEA
18h 32m1 stop
C$ 1,011
Find Deal
jue., 21 nov. - sáb., 23 nov.
7:20 a.m. - 12:39 a.m.SEA-YYZ
14h 19m1 stop
7:55 a.m. - 2:21 p.m.YYZ-SEA
9h 26m1 stop
C$ 1,015WestJet
Find Deal
dom., 24 nov. - mar., 26 nov.
1:16 a.m. - 4:19 p.m.SEA-YYZ
12h 03m1 stop
6:15 a.m. - 12:40 p.m.YYZ-SEA
9h 25m1 stop
C$ 1,092American Airlines
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lun., 25 nov. - jue., 28 nov.
12:25 a.m. - 5:35 p.m.SEA-YYZ
14h 10m1 stop
6:15 a.m. - 2:55 p.m.YYZ-SEA
11h 40m2 stops
C$ 1,106American Airlines
Find Deal
lun., 25 nov. - jue., 28 nov.
3:15 p.m. - 5:55 a.m.SEA-YYZ
11h 40m1 stop
10:35 p.m. - 2:21 p.m.YYZ-SEA
18h 46m1 stop
C$ 1,295WestJet
Find Deal
jue., 21 nov. - dom., 24 nov.
7:13 a.m. - 2:55 p.m.SEA-YYZ
4h 42mdirect
4:20 p.m. - 6:54 p.m.YYZ-SEA
5h 34mdirect
C$ 1,436Alaska Airlines
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dom., 24 nov. - mar., 26 nov.
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
C$ 1,561Air Canada
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jue., 21 nov. - sáb., 23 nov.
6:05 a.m. - 1:50 p.m.SEA-YYZ
4h 45mdirect
7:15 p.m. - 9:40 p.m.YYZ-SEA
5h 25mdirect
C$ 1,617Air Canada
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sáb., 23 nov. - lun., 25 nov.
3:40 p.m. - 10:51 a.m.SEA-YYZ
16h 11m2 stops
11:37 a.m. - 8:08 a.m.YYZ-SEA
23h 31m2 stops
C$ 2,080Alaska Airlines
Find Deal
sáb., 23 nov. - lun., 25 nov.
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$ 360Alaska Airlines
Find Deal
vie., 17 ene. - mar., 21 ene.
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$ 374Alaska Airlines
Find Deal
dom., 19 ene. - mié., 22 ene.
7:22 a.m. - 2:55 p.m.SEA-YYZ
4h 33mdirect
4:20 p.m. - 6:39 p.m.YYZ-SEA
5h 19mdirect
C$ 386Alaska Airlines
Find Deal
mar., 10 dic. - jue., 12 dic.
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$ 426Air Canada
Find Deal
sáb., 8 mar. - mié., 12 mar.
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
mar., 4 mar. - vie., 7 mar.
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$ 673Air Canada
Find Deal
vie., 13 dic. - jue., 19 dic.
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$ 711Air Canada
Find Deal
lun., 16 dic. - jue., 19 dic.
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$ 1,169United Airlines
Find Deal
mié., 25 dic. - vie., 3 ene.
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$ 1,194United Airlines
Find Deal
mié., 25 dic. - vie., 3 ene.
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$ 2,615United Airlines
Find Deal
sáb., 28 dic. - sáb., 28 dic.

Air Canada flights from Seattle to Toronto

Our best Air Canada deals on Seattle to Toronto flight tickets
Air Canada
8 Mar
SEA6:05 a.m.Seattle/Tacoma Intl
4h 45m
YYZ1:50 p.m.Toronto Pearson Intl
12 Mar
YYZ7:05 p.m.Toronto Pearson Intl
5h 25m
SEA9:30 p.m.Seattle/Tacoma Intl
Air Canada
4 Mar
SEA6:05 a.m.Seattle/Tacoma Intl
4h 45m
YYZ1:50 p.m.Toronto Pearson Intl
7 Mar
YYZ7:05 p.m.Toronto Pearson Intl
5h 25m
SEA9:30 p.m.Seattle/Tacoma Intl
Air Canada
17 Jan
SEA6:05 a.m.Seattle/Tacoma Intl
4h 45m
YYZ1:50 p.m.Toronto Pearson Intl
21 Jan
YYZ8:00 a.m.Toronto Pearson Intl
9h 30m
1 stop
SEA2:30 p.m.Seattle/Tacoma Intl

American Airlines flights from Seattle to Toronto

Our best American Airlines deals on Seattle to Toronto flight tickets
American Airlines
14 Dec
SEA5:23 a.m.Seattle/Tacoma Intl
14h 16m
1 stop
YYZ10:39 p.m.Toronto Pearson Intl
15 Dec
YYZ5:14 p.m.Toronto Pearson Intl
8h 55m
1 stop
SEA11:09 p.m.Seattle/Tacoma Intl
American Airlines
3 Jan
SEA10:56 p.m.Seattle/Tacoma Intl
8h 23m
1 stop
YYZ10:19 a.m.Toronto Pearson Intl
10 Jan
YYZ6:10 a.m.Toronto Pearson Intl
9h 56m
1 stop
SEA1:06 p.m.Seattle/Tacoma Intl
American Airlines
3 Jan
SEA10:56 p.m.Seattle/Tacoma Intl
8h 23m
1 stop
YYZ10:19 a.m.Toronto Pearson Intl
10 Jan
YYZ6:10 a.m.Toronto Pearson Intl
11h 46m
1 stop
SEA2:56 p.m.Seattle/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. The most expensive is March.

What is the cheapest day to depart Seattle for Toronto?

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

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

In the evening. Seattle to Toronto flights are approximately 40% more expensive in the morning than in the evening

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

C$ 147

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 C$ 147. The best round-trip flight deal from Seattle to Toronto found on momondo in the last 72 hours is C$ 360.
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?

    There are 3323.4 km between Seattle/Tacoma Intl and Toronto. In terms of flight time, this usually takes a little over 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 required for your trip to Toronto 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. 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?

  • 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
Air CanadaPriceFrom C$ 228Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom C$ 380Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 486Free CancellationRating
7.4
9,171 reviews
Search United Airlines flights
  • Alaska Airlines Flights From Seattle to Toronto

    Alaska Airlines is one of the most popular airlines flying from Seattle to Toronto, operating 3 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Toronto starts from C$ 271 round-trip, up to an average price of C$ 473. Our users have rated Alaska Airlines at 8.0/10.

  • United Airlines Flights From Seattle to Toronto

    Another popular option for Seattle to Toronto flights is United Airlines (7.4/10, 9,171 ratings). United Airlines flies from Seattle to Toronto around 11 times per week, with deals starting from C$ 347 round-trip and rising to an average price of around C$ 581.


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?

Yes. momondo enables you to select and highlight flights to Toronto from Seattle with this policy.

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

Once you have performed a search for Seattle to Toronto flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 83.6 km from Toronto