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YOO to SEA: distance & flight time
Oshawa (Toronto/Oshawa Executive Airport) → Seattle (Seattle Tacoma International Airport)
2,082 mi
3,351 km · 1,809 nm
4h 33m
estimated nonstop flight time
-3h
time difference · heading west
See live YOO→SEA fares Phone-only fares on this route — call free
Flight time details
2,082 miles nonstop takes roughly 4h 33m 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
- YOO — Toronto/Oshawa Executive Airport · Oshawa, 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 YOO
- YYZ · Lester B. Pearson International Airport40 mi away
- YKZ · Buttonville Municipal Airport24 mi away
- YZD · Downsview Airport31 mi away
- YTZ · Billy Bishop Toronto City Centre Airport32 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 YOO from SEA?
The flight distance from Oshawa (YOO) to Seattle (SEA) is 2,082 miles (3,351 km, 1,809 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YOO to SEA?
A nonstop flight takes about 4h 33m 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 Oshawa and Seattle?
Seattle is 3 hours behind Oshawa.
What is the cheapest way to fly from YOO to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YOO–SEA that never appear on search engines, with no booking fees.