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SEA to YYZ: distance & flight time
Seattle (Seattle Tacoma International Airport) → Toronto (Lester B. Pearson International Airport)
2,055 mi
3,307 km · 1,785 nm
4h 30m
estimated nonstop flight time
+3h
time difference · heading east
See live SEA→YYZ fares Phone-only fares on this route — call free
Flight time details
2,055 miles nonstop takes roughly 4h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SEA — Seattle Tacoma International Airport · Seattle, United States
- YYZ — Lester B. Pearson International Airport · Toronto, Canada
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Near YYZ
- YZD · Downsview Airport9 mi away
- YTZ · Billy Bishop Toronto City Centre Airport12 mi away
- YKZ · Buttonville Municipal Airport18 mi away
- YHM · John C. Munro Hamilton International Airport38 mi away
Frequently asked questions
How far is SEA from YYZ?
The flight distance from Seattle (SEA) to Toronto (YYZ) is 2,055 miles (3,307 km, 1,785 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEA to YYZ?
A nonstop flight takes about 4h 30m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Seattle and Toronto?
Toronto is 3 hours ahead of Seattle.
What is the cheapest way to fly from SEA to YYZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–YYZ that never appear on search engines, with no booking fees.