£161 Cheap Flights from Seattle (SEA) to Toronto (YTO)
Popular airlines from Seattle-Tacoma International Airport (SEA) to Toronto
Alaska AirlinesAlaska Airlines
WestJetWestJet
Air CanadaAir Canada
American AirlinesAmerican Airlines
DeltaDelta
UnitedUnited
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Cheap Flights from Seattle to Toronto (SEA-YTO)
Find the cheapest month to fly from Seattle (SEA) to Toronto (YTO)
October is typically the cheapest month to flyOctober is typically the cheapest month to fly
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Compare flights from Seattle to Toronto easily and book with confidence
For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Toronto. Operating between them flights per day, 5 airlines cover the route. And fly direct, getting you to Toronto in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Toronto.
To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.
Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Toronto (YTO)
The easiest way to view the best deals on flights from Seattle to Toronto today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Toronto start at just £332 and range up to £577.
To find an even better deal, try
- being flexible on your dates – midweek flights can be cheaper
- looking for other airports near Seattle and Toronto
- booking your flight during December, the cheapest month on this route
- varying your flight times – early morning and late at night are sometimes cheaper
Why you should book your Seattle to Toronto flight with Expedia!
We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Toronto for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.
Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.
Frequently Asked Questions
How much is a flight from SEA to Toronto (YTO-All Airports)?
Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between SEA and Toronto (YTO-All Airports) start from £332. Book now to score the best price for your big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Toronto (YTO-All Airports)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SEA to Toronto (YTO-All Airports) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Toronto (YTO-All Airports) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Toronto (YTO-All Airports)?
It's around 3,300 kilometres from SeaTac to Ontario, so expect to be flying for a while. Keep yourself entertained by packing things like a magazine or a thrilling novel.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to Toronto (YTO-All Airports)?
Check out Air Canada (AC) if you want to fly straight from Sea-Tac Airport to Toronto (YTO-All Airports). This airline offers 30 flights monthly, so you're sure to find one that fits your travel plans.
Are SEA to Toronto (YTO-All Airports) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes score a bargain, with some of the cheapest fares from Seattle - Tacoma Intl. Airport (SEA) to Toronto (YTO-All Airports) surfacing a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.
Travel information
Origin airport | Seattle-Tacoma International Airport |
|---|---|
Destination airport | Kitchener, ON |
Distance | 2,025 miles away |
Airlines serving | Air Canada |
Popular airline | Air Canada |
Return price | £332 |