CA $158 Cheap Flights from Seattle (SEA) to Toronto (YYZ)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Toronto Pearson Intl. Airport (YYZ)

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Cheap flights from Seattle (SEA) to Toronto (YYZ)

Prices were available within the past 7 days and start at CA $158 for one-way flights and CA $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
United
Air Canada
United
WestJet
WestJet
American Airlines
Air Canada
Delta

Find the cheapest month to fly from Seattle (SEA) to Toronto (YYZ)

January is typically the cheapest month to fly

From CA $308 - CA $784 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Toronto (SEA - YYZ) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Pearson Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, United, WestJet
Roundtrip price
CA $354
Distance
3288 km
Average flight time
8 hours 23 mins

Seattle to Toronto Flights

The easy way to book your flights from Seattle to Toronto 

With Expedia, it’s simple to find and book flights to Toronto from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Air Canada, Alaska Airlines, Hawaiian Airlines, Air Tahiti Nui, Brussels Airlines, United Airlines nonstop flights to Pearson Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Toronto today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Pearson Intl., YYZ 

Sort your search results by price to find great deals on your flight from Seattle to Toronto—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Toronto from Seattle currently is just CA $355 rising to CA $401.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Toronto  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Toronto from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Toronto with Expedia today.

Frequently asked questions

How much is a flight from SEA to Toronton Pearson?
The lowest price advertised for a round-trip journey between Seattle - Tacoma Intl. Airport (SEA) and Toronton Pearson is CA $355. But you better act fast. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Toronto Pearson Airport?
The majority of flights can be cancelled online, but whether you incur a fee depends on your airline. If you do need to cancel your escape, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Toronto Pearson Airport that have flexible change policies?
Flights from Sea-Tac Airport to Toronto Pearson Airport with flexible change policies are available with many airlines. Simply use our "No change fees" filter during your search. You'll only need to cover the cost difference between flights, with no extra fees to worry about.
How many hours is the flight from Sea-Tac Airport to Toronto Pearson Airport?
The flight time from SEA to YYZ is roughly 12 hours and 49 minutes. Grab your headphones, listen to your favourite podcast and your journey will fly by.
How far is the flight from Sea-Tac Airport to Toronton Pearson?
Around 3,300 kilometres separates SeaTac and Mississauga, so pack something to keep you occupied for a few hours. That action-packed novel you haven't had time to finish will do the trick.
Which airlines fly direct from SEA to Toronto Pearson Airport?
With 30 monthly flights operating from SEA to Toronton Pearson, Alaska Airlines (AS) is a popular choice. Air Canada (AC) is also worth a look. It operates 30 flights every month. Between these two airlines, you'll be able to find a great deal from SeaTac to Mississauga.
Are Sea-Tac Airport to YYZ flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from Seattle - Tacoma Intl. Airport (SEA) to YYZ, but it's also possible to miss out altogether! As many airlines advertise prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always getting the latest offers.

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Toronto nearby Airports
Seattle nearby Airports

Seattle Paine Field Intl. Airport

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