Seattle (SEA) → Toronto (YYZ)
About Seattle to Toronto Flights
Discover the best flights from Seattle to Toronto, covering 3,307 km in approximately 4h 38m. Seattle (SEA) to Toronto (YYZ) is one of the popular medium-haul routes connecting United States and Canada. 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 Seattle to Toronto.
12-Month Price History
Flight prices from Seattle to Toronto vary significantly throughout the year. February typically offers the best deals with average prices around $660, while July sees the highest prices, averaging $1108. Savvy travelers can save up to 40% 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
146 days
For best prices
Booking Tips
For the best prices on Seattle to Toronto flights, we recommend booking 176 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 |
|---|---|---|---|
Flair Airlines F8 | $920 | $3620 | $5480 |
WestJet WS | $920 | $3340 | $5010 |
Air Canada AC | $1010 | $4180 | $5490 |
Air Transat TS | $1040 | $3440 | $6570 |
Jazz Aviation QK | $1110 | $3670 | $5210 |
Alaska Airlines AS | $1150 | $4060 | $5350 |
Delta Air Lines DL | $1180 | $3880 | $6130 |
Flair Airlines
F8
Economy
$920
Business
$3620
First
$5480
WestJet
WS
Economy
$920
Business
$3340
First
$5010
Air Canada
AC
Economy
$1010
Business
$4180
First
$5490
Air Transat
TS
Economy
$1040
Business
$3440
First
$6570
Jazz Aviation
QK
Economy
$1110
Business
$3670
First
$5210
Alaska Airlines
AS
Economy
$1150
Business
$4060
First
$5350
Delta Air Lines
DL
Economy
$1180
Business
$3880
First
$6130
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Alternative Flight Options
Seattle → Buffalo
Seattle-Tacoma International (SEA) to Buffalo Niagara International (BUF)
Distance: 3,406 km
Average price: $611
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Toronto, Canada.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
Frequently Asked Questions
How long is the flight from Seattle to Toronto?
The flight time from Seattle (SEA) to Toronto (YYZ) 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 Seattle and Toronto?
The aerial distance between Seattle and Toronto is 3,307 kilometers (2,055 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Seattle to Toronto?
Several airlines operate flights between Seattle and Toronto, 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 Seattle to Toronto?
Based on historical data, February typically offers the lowest airfares for flights from Seattle to Toronto. 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 Toronto?
For the best prices on Seattle to Toronto flights, we recommend booking 91 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Seattle to Toronto?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of United States traveling to Canada should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Seattle and Toronto?
Seattle operates on America/Los_Angeles time zone, while Toronto is in the America/Toronto time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.