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Cheap flights from Toronto to Seattle from $156

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 to Seattle departing on 4/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Tue 4/23
Tue 4/30

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Easily compare round-trip flights from Toronto to Seattle

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Toronto to Seattle by changing tabs
Multiple Airlines
Apr 30
YYZ9:00 pmToronto Pearson Intl
14h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Jun 3
SEA8:00 pmSeattle/Tacoma Intl
23h 47m
1 stop
YYZ10:47 pmToronto Pearson Intl
WestJet
Jul 18
YKF6:15 amToronto Kitchener-Waterloo
9h 41m
1 stop
SEA12:56 pmSeattle/Tacoma Intl
Jul 22
SEA7:00 amSeattle/Tacoma Intl
7h 23m
1 stop
YKF5:23 pmToronto Kitchener-Waterloo
Delta
Jun 6
YYZ5:55 pmToronto Pearson Intl
9h 04m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
Jun 8
SEA11:10 pmSeattle/Tacoma Intl
6h 40m
1 stop
YYZ8:50 amToronto Pearson Intl
Alaska Airlines
May 24
YYZ3:40 pmToronto Pearson Intl
5h 15m
SEA5:55 pmSeattle/Tacoma Intl
May 27
SEA6:50 amSeattle/Tacoma Intl
4h 40m
YYZ2:30 pmToronto Pearson Intl
Air Canada
May 8
YYZ7:40 pmToronto Pearson Intl
5h 18m
SEA9:58 pmSeattle/Tacoma Intl
May 14
SEA11:40 amSeattle/Tacoma Intl
4h 38m
YYZ7:18 pmToronto Pearson Intl
United Airlines
Jun 19
YYZ7:40 pmToronto Pearson Intl
5h 18m
SEA9:58 pmSeattle/Tacoma Intl
Jun 24
SEA11:10 pmSeattle/Tacoma Intl
4h 40m
YYZ6:50 amToronto Pearson Intl

Find the cheapest one-way flights from Toronto to Seattle

If you're looking for one-way flights from Toronto to Seattle, view some of our deals below provided by Air Canada, Alaska Airlines and Delta
Multiple Airlines
Apr 30
YYZ9:00 pmToronto Pearson Intl
14h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
WestJet
Jul 14
YKF6:15 amToronto Kitchener-Waterloo
11h 31m
2 stops
SEA2:46 pmSeattle/Tacoma Intl
Delta
May 26
YYZ6:34 amToronto Pearson Intl
10h 41m
1 stop
SEA2:15 pmSeattle/Tacoma Intl

Search last-minute flights to Seattle from Toronto

Find and compare round-trip flight prices for your last-minute flight from Toronto to Seattle
Multiple Airlines
Apr 30
YYZ9:00 pmToronto Pearson Intl
14h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Jun 3
SEA8:00 pmSeattle/Tacoma Intl
23h 47m
1 stop
YYZ10:47 pmToronto Pearson Intl
Delta
Apr 24
YYZ11:11 amToronto Pearson Intl
11h 34m
1 stop
SEA7:45 pmSeattle/Tacoma Intl
May 30
SEA5:30 amSeattle/Tacoma Intl
8h 14m
1 stop
YYZ4:44 pmToronto Pearson Intl
WestJet
Apr 28
YYZ8:00 amToronto Pearson Intl
7h 56m
1 stop
SEA12:56 pmSeattle/Tacoma Intl
May 31
SEA3:30 pmSeattle/Tacoma Intl
11h 20m
1 stop
YYZ5:50 amToronto Pearson Intl
Multiple Airlines
Apr 30
YYZ9:00 pmToronto Pearson Intl
14h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
May 28
SEA9:35 amSeattle/Tacoma Intl
18h 07m
1 stop
YYZ6:42 amToronto Pearson Intl
American Airlines
Apr 26
YYZ6:00 amToronto Pearson Intl
9h 38m
1 stop
SEA12:38 pmSeattle/Tacoma Intl
May 12
SEA11:43 pmSeattle/Tacoma Intl
15h 52m
1 stop
YYZ6:35 pmToronto Pearson Intl
Multiple Airlines
Apr 29
YYZ9:00 pmToronto Pearson Intl
14h 45m
1 stop
SEA8:45 amSeattle/Tacoma Intl
Jun 3
SEA8:00 pmSeattle/Tacoma Intl
23h 47m
1 stop
YYZ10:47 pmToronto Pearson Intl

Best airlines flying from Toronto to Seattle

Compare and see reviews for airlines that fly from Toronto to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $353Free CancellationRating
8.1
9,098 reviews
Search Alaska Airlines flights
WestJetPriceFrom $372Free CancellationRating
7.5
3,010 reviews
Search WestJet flights
Air CanadaPriceFrom $390Free CancellationRating
7.0
6,832 reviews
Search Air Canada flights
DeltaPriceFrom $406Free CancellationRating
8.0
11,104 reviews
Search Delta flights
United AirlinesPriceFrom $413Free CancellationRating
7.4
11,346 reviews
Search United Airlines flights
American AirlinesPriceFrom $424Free CancellationRating
7.3
14,963 reviews
Search American Airlines flights
  • United Airlines Flights From Toronto to Seattle

    United Airlines is one of the most popular airlines flying from Toronto to Seattle, operating 7 flights/week on average for this route. A good United Airlines flight deal for Toronto to Seattle starts from $413 round-trip, up to an average price of $608. Our users have rated United Airlines at 7.4/10.

  • Air Canada Flights From Toronto to Seattle

    The best Air Canada deal for Toronto to Seattle flight tickets found on momondo in the last 72 hours was $390, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at $546 round-trip. Air Canada operates 7 flights out of Toronto into Seattle in an average week, so prices vary by time and availability. 6,832 Air Canada reviews by users on momondo have scored the airline at 7.0/10.


Air Canada flights from Toronto to Seattle

Our best Air Canada deals on Toronto to Seattle flight tickets
Air Canada
May 8
YYZ7:40 pmToronto Pearson Intl
5h 18m
SEA9:58 pmSeattle/Tacoma Intl
May 14
SEA11:40 amSeattle/Tacoma Intl
4h 38m
YYZ7:18 pmToronto Pearson Intl
Air Canada
May 16
YYZ8:25 amToronto Pearson Intl
5h 18m
SEA10:43 amSeattle/Tacoma Intl
May 23
SEA1:10 pmSeattle/Tacoma Intl
9h 26m
1 stop
YYZ1:36 amToronto Pearson Intl
Air Canada
May 15
YYZ8:25 amToronto Pearson Intl
5h 18m
SEA10:43 amSeattle/Tacoma Intl
May 22
SEA1:10 pmSeattle/Tacoma Intl
8h 15m
1 stop
YYZ12:25 amToronto Pearson Intl

American Airlines flights from Toronto to Seattle

Our best American Airlines deals on Toronto to Seattle flight tickets
American Airlines
May 24
YYZ3:45 pmToronto Pearson Intl
9h 56m
1 stop
SEA10:41 pmSeattle/Tacoma Intl
Jun 1
SEA1:15 amSeattle/Tacoma Intl
8h 27m
1 stop
YYZ12:42 pmToronto Pearson Intl
American Airlines
Apr 26
YYZ6:00 amToronto Pearson Intl
9h 38m
1 stop
SEA12:38 pmSeattle/Tacoma Intl
May 12
SEA11:43 pmSeattle/Tacoma Intl
15h 52m
1 stop
YYZ6:35 pmToronto Pearson Intl
American Airlines
Apr 25
YYZ4:17 pmToronto Pearson Intl
8h 53m
1 stop
SEA10:10 pmSeattle/Tacoma Intl
May 10
SEA1:15 amSeattle/Tacoma Intl
8h 27m
1 stop
YYZ12:42 pmToronto Pearson Intl

How to get the cheapest flight ticket from Toronto 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 to Seattle?

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

What is the cheapest day to depart Toronto for Seattle?

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

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

At noon. Toronto to Seattle flights are approximately 3% more expensive in the morning than at noon

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

American Airlines. Air Canada, Alaska Airlines, and American Airlines are the most popular carriers operating from Toronto to Seattle

What is the cheapest Toronto to Seattle flight route?

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

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

59 days before. The cheapest time to buy a flight from Toronto to Seattle is approximately 59 days to departure

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

As of April 2024, 2 flights take off from Toronto and land in Seattle each day. The most common flight departure time for this route is 5:00PM, with 100% of daily flights taking off in the afternoon.

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

As of April 2024, there are 14 flights per week flying from Toronto to Seattle. The most common day of the week flights depart is Sunday, with 14% of flights taking off on this day.

Can stopping save me money on Toronto to Seattle flights?

You could potentially save up to 44% on your flight if you consider stops on a Toronto to Seattle flight.

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

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

Best Price Found

$156

Fastest flight time

5h 15m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Toronto in the past 72 hours is $156. The best round-trip flight deal from Toronto to Seattle found on momondo in the last 72 hours is $271.
The fastest flight from Toronto to Seattle takes 5h 15m
Direct flights go from Toronto to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

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

    The distance between Toronto and Seattle/Tacoma Intl is about 2065.1 mi. Typically, this will take 5h 15m by plane in normal conditions.

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

    Prices for flights from Toronto to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.


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 for Toronto to Seattle 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 Toronto to Seattle right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Toronto to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.


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From?
To?
Tue 4/23
Tue 4/30
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