Toronto to Seattle (YYZ–SEA) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
YYZ–SEA is served by 3 airlines with nonstop service. Air Canada, Alaska Airlines and United Airlines lead the route. The flight covers 2,055 miles in approximately 5h 22m. Beyond nonstop, 1-stop connecting options are also available.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AC Air Canada Also: SN | 7 | BCS3 | 5h19 | Star Alliance | SN | |
| AS Alaska Airlines Also: QR | 7 | 739 | 5h18 | Oneworld | QR | |
| UA United Airlines | 7 | 223 | 5h19 | Star Alliance | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Seattle from Toronto
| Metric | YYZ→SEA | YHM→SEA |
|---|---|---|
| Distance from YYZ | – | 38 mi |
| Nonstop airlines | 3 | 1 |
| Weekly flights | 28 | – |
| Flight time | 5h 22m | 4h 31m |
| Departure OTP | 73% | – |
Travel Essentials
YYZ: EDT · SEA: PDT
When it's 6:00 PM in Toronto, it's 3:00 PM in Seattle.
Canadian citizens do not need a visa or ESTA to enter the United States for tourism or business stays up to 6 months. A valid Canadian passport is required for air travel. Land and sea crossings also accept a NEXUS card, enhanced driver's license, or FAST card. At the border, officers determine the length of stay and may ask for proof of ties to Canada and a return plan.
The UP Express train runs from Union Station (downtown Toronto) to Terminal 1 in 25 minutes (CAD $12.35). Trains depart every 15 minutes during peak hours, every 30 minutes off-peak and overnight. Highway 427 and the 401 are heavily congested during rush hours.
Taxis and ride-hail from downtown cost CAD $50–70 and take 25–60 minutes depending on traffic. MiWay and Brampton Transit buses serve the airport from the western suburbs. Long-term parking is available in the Viscount Road lots with free shuttle service.
Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.
Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.
Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.
YYZ–SEA Quick Facts
Frequently Asked Questions
Flights from YYZ to SEA
Toronto Pearson International Airport (YYZ) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Air Canada, Alaska Airlines and United Airlines. With 28 weekly departures, this is a heavily served route.
YYZ to SEA Flight Duration and Schedule
Nonstop flight time from YYZ to SEA is about 5 hours 22 minutes gate to gate. The route covers a distance of 2,055 miles (3,307 km). There are approximately 28 weekly flights outbound and 25 return, totaling 53 flights per week in both directions.
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Vancouver, Minneapolis–Saint Paul and Detroit Metropolitan Wayne County. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Hamilton (YHM).