Cheap Flights from Toronto, ON to Seattle, WA from $168
On Cheapflightsplus.com you will find 3 direct and 997 connecting flights from Toronto to Seattle. You can compare airfare deals from 8 airlines and multiple travel sites from $168, book and save on cheap plane tickets and last minute offers. Also check out YTO-SEA flight schedule to find best flight time, convenient departure and arrival airports.
Flight Information
Below we will explain in detail what the flights cost on the destination from Toronto to Seattle depends on and how to choose the most interesting flight option for you.
Distance between Toronto and Seattle is 3326 miles. Time difference between the cities is 3h. Airplanes depart 06:10 to 23:20 from 3 Toronto airports and arrive 06:10 to 23:20 to 3 Seattle airports. Average flight time is 5h 19m.
- The fastest flight 5h 19m
- Average flight time 5h 19m
- The earliest flight 06:10
- The latest flight 23:20
- Distance 2067 ml
Best Flights from Toronto to Seattle Today
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $193 | 16:45 Toronto Pearson International | 19:04 Seattle Seattle-Tacoma Intl | 5h 19m | Alaska Airlines | AS973 |
| from $262 | 08:50 Toronto Pearson International | 11:09 Seattle Seattle-Tacoma Intl | 5h 19m | United Airlines | UA8270 |
| from $404 | 08:25 Toronto Pearson International | 10:45 Seattle Seattle-Tacoma Intl | 5h 20m | Air Canada | AC541 |
| from $168 | 14:10 Toronto Pearson International | 18:49 Seattle Seattle-Tacoma Intl | 7h 39m layover 1h 6m - Chicago | United Airlines | UA8307 UA2278 |
| from $168 | 15:35 Toronto Toronto Island | 12:39+1 день Seattle Seattle-Tacoma Intl | 24h 4m layover 17h 41m - Chicago | Porter Airlines | PD2393 HA6295 |
| from $178 | 15:00 Toronto Pearson International | 11:24+1 день Seattle Seattle-Tacoma Intl | 23h 24m layover 2h 5m - Calgary 10h 46m - Los Angeles | WestJet | WS663 WS1512 F91177 |
| from $182 | 19:20 Toronto Toronto Island | 09:21+1 день Seattle Seattle-Tacoma Intl | 17h 1m layover 1h 38m - Ottawa 8h 0m - Vancouver | Air Canada | AC7712 AC347 AC8798 |
The cheapest months to travel to Seattle are october (from 168 $), june (from 168 $), august (from 178 $).
The most expensive months are november (from 314 $), september (from 235 $), january (from 219 $).
What is the lowest airfare Toronto to Seattle?
The cheapest plane ticket found by our users is $168. This airfare is for economy class on one-way UA8307 flight by United Airlines for October 7, 2025 which leaves Pearson International in Toronto at 14:10 am and arrives at Seattle Seattle-Tacoma Intl at 18:49.
Flight Schedule Toronto (Ontario) to Seattle (Washington)
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Popular Airlines on the Route
The flight Toronto — Seattle is served by 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Air Canada - 75 departures per week at the price of from $ 182 . And the most expensive tickets are offered by Air Transat airline - from $ 448.
Direct flights
There are 3 nonstop flights on the route. The fastest direct flight is AS973 by Alaska Airlines takes 5h 19m and the cheapest is UA8307 by United Airlines for $193.
- AS - Alaska Airlinesfrom $193Find
- AC - Air Canadafrom $404Find
- UA - United Airlinesfrom $262Find
Connecting Flights
There are 997 flights with layovers on the route. The fastest connecting flight is AC503 by Air Canada takes 7h 19m and the cheapest is UA8307 by United Airlines for $168.
- AC - Air Canadafrom $182Find
- F8 - Freedom Airlinesfrom $219Find
- AS - Alaska Airlinesfrom $313Find
- PD - Porter Airlinesfrom $168Find
- SY - Sun Country Airlinesfrom $225Find
- UA - United Airlinesfrom $168Find
- WS - WestJetfrom $178Find
- TS - Air Transatfrom $211Find
Airports
You can fly from Toronto to Seattle from 3 airports (Buttonville Municipal, Toronto Island, Pearson International).
Toronto airports
- Buttonville Municipal-YKZFind
- Toronto Island-YTZfrom $168Find
- Pearson International-YYZfrom $168Find
Seattle airports
- Boeing Field International Airport-BFIFind
- Seattle-Tacoma Intl-SEAFind
- Kenmore Air Harbor SPB-LKEFind
Airplanes
There are flights to Seattle from Toronto by 8 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top International Destinations from Toronto
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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