Need help booking?
Unpublished phone-only deals available
YYZ to SEA: distance & flight time
Toronto (Lester B. Pearson International Airport) → Seattle (Seattle Tacoma International Airport)
2,055 mi
3,307 km · 1,785 nm
4h 30m
estimated nonstop flight time
-3h
time difference · heading west
See live YYZ→SEA fares Phone-only fares on this route — call free
Flight time details
2,055 miles nonstop takes roughly 4h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- YYZ — Lester B. Pearson International Airport · Toronto, Canada
- SEA — Seattle Tacoma International Airport · Seattle, United States
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 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
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
Frequently asked questions
How far is YYZ from SEA?
The flight distance from Toronto (YYZ) to Seattle (SEA) 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 YYZ to SEA?
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 Toronto and Seattle?
Seattle is 3 hours behind Toronto.
What is the cheapest way to fly from YYZ to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YYZ–SEA that never appear on search engines, with no booking fees.