Seattle to Toronto (BFI–YYZ) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
BFI–YYZ is served by 1 airline with nonstop service. WestJet leads the route. The flight covers 2,054 miles in approximately 4h 45m. Beyond nonstop, 35 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WS WestJet | 1 | – | – | – | – | – |
Connection Landscape
On-Time Performance
Other ways to reach Toronto from Seattle
| Metric | BFI→YYZ | SEA→YYZ | YYJ→YYZ |
|---|---|---|---|
| Distance from BFI | – | 5 mi | 93 mi |
| Nonstop airlines | 1 | 3 | 4 |
| Weekly flights | 1 | 15 | 46 |
| Flight time | 4h 45m | 4h 31m | 4h 2m |
Travel Essentials
BFI: MDT · YYZ: EDT
When it's 6:00 PM in Seattle, it's 8:00 PM in Toronto.
US passport holders enter Canada without a visa for stays up to 6 months. No eTA is needed when arriving by air with a US passport. Passport must be valid for the duration of the stay. A return or onward ticket and proof of funds may be requested at the border.
UP Express from T1 to Union Station runs every 15 minutes (25 min, CAD $12.35). The station is inside T1; take the LINK train from T3 arrivals first (free, 3 min). Taxis to downtown use a meter; expect CAD $55–75.Ride-hail (Uber, Lyft) picks up at the designated Ground Transportation area; follow signs. TTC buses run to the Kipling and Bloor–Yonge subway stations (CAD $3.30) for a longer but cheaper option. Car rental agencies are at T1 and accessible from T3 via the LINK train.
Humid continental climate. Winters are harsh (−10 to −1°C, December–March) with significant snowfall. Pearson closes runways for plowing and de-icing regularly, causing wave delays. Ice storms (freezing rain) are more disruptive than snowfall and can halt operations for hours. Buffalo-effect lake-effect snow can bring heavy accumulations with little warning.
Summers are warm and humid (22–30°C) with afternoon thunderstorms that delay departures July–August. Spring and fall are pleasant but unpredictable. YYZ connections in winter require significant schedule buffer. It is Canada's most weather-disrupted major hub.
BFI–YYZ Quick Facts
Frequently Asked Questions
Flights from BFI to YYZ
King County International Airport - Boeing Field (BFI) and Toronto Pearson International Airport (YYZ) are connected by nonstop service from WestJet. With 1 weekly departures, this is a regularly served route.
BFI to YYZ Flight Duration and Schedule
Nonstop flight time from BFI to YYZ ranges from 4 hours 45 minutes. The route covers a distance of 2,054 miles (3,305 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.
Connecting Options and Alternatives
35 one-stop connections are available, with the fastest taking approximately 5 hours via DAL. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (SEA), Victoria (YYJ) and Abbotsford (YXX).