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BFI to YSO: distance & flight time
Seattle (Boeing Field King County International Airport) → Postville (Postville Airport)
2,660 mi
4,280 km · 2,311 nm
5h 41m
estimated nonstop flight time
+4h
time difference · heading northeast
See live BFI→YSO fares Phone-only fares on this route — call free
Flight time details
2,660 miles nonstop takes roughly 5h 41m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- YSO — Postville Airport · Postville, 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 BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Near YSO
- YMN · Makkovik Airport26 mi away
- YHO · Hopedale Airport41 mi away
- YRG · Rigolet Airport73 mi away
- YNP · Natuashish Airport88 mi away
Frequently asked questions
How far is BFI from YSO?
The flight distance from Seattle (BFI) to Postville (YSO) is 2,660 miles (4,280 km, 2,311 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to YSO?
A nonstop flight takes about 5h 41m 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 Postville?
Postville is 4 hours ahead of Seattle.
What is the cheapest way to fly from BFI to YSO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–YSO that never appear on search engines, with no booking fees.