Toronto (YYZ) → Seattle (SEA)
About Toronto to Seattle Flights
Discover the best flights from Toronto to Seattle, covering 3,307 km in approximately 4h 38m. Toronto (YYZ) to Seattle (SEA) is one of the popular medium-haul routes connecting Canada and United States. With 7 major airlines operating this route including direct flights, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Toronto to Seattle.
12-Month Price History
Flight prices from Toronto to Seattle vary significantly throughout the year. February typically offers the best deals with average prices around $659, while July sees the highest prices, averaging $1114. Savvy travelers can save up to 41% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
117 days
For best prices
Booking Tips
For the best prices on Toronto to Seattle flights, we recommend booking 117 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
WestJet WS | $980 | $3470 | $5260 |
Alaska Airlines AS | $1070 | $4130 | $5110 |
Delta Air Lines DL | $1080 | $3910 | $6190 |
Air Transat TS | $1090 | $3530 | $5730 |
Jazz Aviation QK | $1150 | $3500 | $6400 |
Flair Airlines F8 | $1150 | $3550 | $5970 |
Air Canada AC | $1190 | $4070 | $5560 |
WestJet
WS
Economy
$980
Business
$3470
First
$5260
Alaska Airlines
AS
Economy
$1070
Business
$4130
First
$5110
Delta Air Lines
DL
Economy
$1080
Business
$3910
First
$6190
Air Transat
TS
Economy
$1090
Business
$3530
First
$5730
Jazz Aviation
QK
Economy
$1150
Business
$3500
First
$6400
Flair Airlines
F8
Economy
$1150
Business
$3550
First
$5970
Air Canada
AC
Economy
$1190
Business
$4070
First
$5560
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Buffalo → Seattle
Buffalo Niagara International (BUF) to Seattle-Tacoma International (SEA)
Distance: 3,406 km
Average price: $611
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Frequently Asked Questions
How long is the flight from Toronto to Seattle?
The flight time from Toronto (YYZ) to Seattle (SEA) is approximately 4 hours and 38 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Toronto and Seattle?
The aerial distance between Toronto and Seattle is 3,307 kilometers (2,055 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Toronto to Seattle?
Several airlines operate flights between Toronto and Seattle, including Delta Air Lines, Alaska Airlines, Air Canada and 4 more airlines. Direct flights are available on this route.
What is the cheapest month to fly from Toronto to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Toronto to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Toronto to Seattle flights, we recommend booking 150 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Toronto to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Canada traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Toronto and Seattle?
Toronto operates on America/Toronto time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.