Need help booking?
Unpublished phone-only deals available
SEA to YOO: distance & flight time
Seattle (Seattle Tacoma International Airport) → Oshawa (Toronto/Oshawa Executive Airport)
2,082 mi
3,351 km · 1,809 nm
4h 33m
estimated nonstop flight time
+3h
time difference · heading east
See live SEA→YOO fares Phone-only fares on this route — call free
Flight time details
2,082 miles nonstop takes roughly 4h 33m 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
- YOO — Toronto/Oshawa Executive Airport · Oshawa, 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 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
Frequently asked questions
How far is SEA from YOO?
The flight distance from Seattle (SEA) to Oshawa (YOO) 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 SEA to YOO?
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 Seattle and Oshawa?
Oshawa is 3 hours ahead of Seattle.
What is the cheapest way to fly from SEA to YOO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEA–YOO that never appear on search engines, with no booking fees.