CA $188 Cheap Flights from Toronto (YYZ) to Seattle (SEA)

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

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

Prices were available within the past 7 days and start at CA $188 for one-way flights and CA $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Alaska Airlines
United
Air Canada
United
Air Canada
United
Air Canada
United
WestJet

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

September is typically the cheapest month to fly

From CA $313 - CA $441 per traveller.

Graph displaying average flight prices per month

Flight from Toronto to Seattle (YYZ - SEA) route information
Origin airport
Pearson Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, United, WestJet
Roundtrip price
CA $307
Distance
3288 km
Average flight time
2 hours 22 mins

Toronto to Seattle Flights

The easy way to book your flights from Toronto to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Toronto 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 Seattle - Tacoma 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 Toronto to Seattle today, tomorrow, or this week.  

 

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

Sort your search results by price to find great deals on your flight from Toronto to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Toronto currently is just CA $307 rising to CA $345.  

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 Seattle  
  • 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 Seattle from Toronto 

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 Seattle with Expedia today.

Frequently asked questions

How much is a flight from Toronton Pearson to Sea-Tac Airport?
Round-trip tickets from Toronto Pearson Airport to Seattle - Tacoma Intl. Airport (SEA) start from CA $307. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year --- book today so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YYZ to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but whether you incur a fee varies between airlines. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Toronton Pearson to Sea-Tac Airport that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from YYZ to Sea-Tac Airport. This allows you to lock in a great price in advance and still have the freedom to make changes without any extra fees. Just keep in mind that fare differences may still apply.
How many hours is the flight from Toronto Pearson Airport to Sea-Tac Airport?
Consider bringing your own entertainment (like some downloaded TV shows), as it takes approximately 13 hours and 53 minutes to reach Sea-Tac Airport from Toronto Pearson Airport. A pair of noise-cancelling headphones will be useful too.
How far is the flight from Toronto Pearson Airport to SEA?
It's around 3,300 kilometres from YYZ to SEA, so you'll be strapped into your seat for a while. Keep yourself occupied with things like your e-reader or the latest bestseller.
Which airlines fly direct from YYZ to Seattle - Tacoma Intl. Airport (SEA)?
Alaska Airlines (AS) is one of the preferred choices for travellers jetting between YYZ and Sea-Tac Airport. Choose from the 30 flights it operates on this route each month. Another airline servicing this route is Air Canada (AC). You'll have 30 flights a month to take your pick of.
Are Toronto Pearson Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to score an awesome last-minute deal from Toronton Pearson to SEA, but it's also possible to miss out altogether! As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can rest easy knowing you're always getting the latest offers.

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