Latest Flight Deals from Seattle to Toronto
Book one-way or return flights from Seattle to Toronto from as little as £105. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- SEA09:3818h 27m1 stopYYZ07:05Tue, Apr 30|Seattle - Toronto|Spirit Airlines£105£14327% OFF27% OFF£143£105
- SEA07:0020h 46m1 stopYYZ06:46Sun, Apr 28|Seattle - Toronto|Alaska Airlines£108£14325% OFF25% OFF£143£108
- SEA10:2517h 21m1 stopYYZ06:46Sun, Apr 28|Seattle - Toronto|Delta Air Lines£109£14324% OFF24% OFF£143£109
- SEA13:3214h 14m1 stopYYZ06:46Tue, Apr 30|Seattle - Toronto|Alaska Airlines£109£109
- SEA17:489h 47m1 stopYYZ06:35Tue, May 14|Seattle - Toronto|Alaska Airlines£112£112
- SEA07:0020h 46m1 stopYYZ06:46Tue, Apr 30|Seattle - Toronto|American Airlines£114£114
- SEA07:0021h 27m1 stopYYZ07:27Mon, May 6|Seattle - Toronto|Alaska Airlines£115£115
- SEA19:358h 7m1 stopYYZ06:42Wed, May 29|Seattle - Toronto|Delta Air Lines£116£116
- SEA17:539h 49m1 stopYYZ06:42Wed, Jun 5|Seattle - Toronto|Alaska Airlines£117£117
- SEA10:259h 22m1 stopYYZ22:47Tue, May 14|Seattle - Toronto|Delta Air Lines£118£118
- SEA13:003h 5mDirectYTO14:00Thu, May 2|Seattle - Toronto|Spirit AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Toronto.
- CheapestSEA10:4416h 51m2 transferYYZ06:35Seattle-Tacoma International Airport - Toronto Pearson International AirportTue, May 14Frontier Airlines£83
- SEA13:5013h 50m1 transferYKF06:40Seattle-Tacoma International Airport - Region Of Waterloo International AirportMon, May 27WestJet£128
- SEA14:5517h 27m2 transferYTZ11:22Seattle-Tacoma International Airport - Billy Bishop Toronto City AirportSat, May 11Frontier Airlines£129
- SEA14:5517h 27m2 transferYTZ11:22Seattle-Tacoma International Airport - Billy Bishop Toronto City AirportSat, May 11Frontier Airlines£129Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Seattle to Toronto
Cheapest direct flight price | £104 |
---|---|
Cheapest return ticket price | £280 |
Cheapest month | January |
Peak season for travel | October |
Flight distance | 3,325.49km |
Average flight time | 4 hours 39 minutes |
Popular airline | Alaska Airlines |
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