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BFI to OST: distance & flight time
Seattle (Boeing Field King County International Airport) → Ostend (Ostend-Bruges International Airport)
4,882 mi
7,857 km · 4,242 nm
10h 2m
estimated nonstop flight time
+9h
time difference · heading northeast
See live BFI→OST fares Phone-only fares on this route — call free
Flight time details
4,882 miles nonstop takes roughly 10h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- OST — Ostend-Bruges International Airport · Ostend, Belgium
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 OST
- KJK · Wevelgem Airport30 mi away
- HZB · Merville-Calonne Airport41 mi away
- CQF · Calais-Dunkerque Airport43 mi away
- LIL · Lille-Lesquin Airport45 mi away
Frequently asked questions
How far is BFI from OST?
The flight distance from Seattle (BFI) to Ostend (OST) is 4,882 miles (7,857 km, 4,242 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to OST?
A nonstop flight takes about 10h 2m 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 Ostend?
Ostend is 9 hours ahead of Seattle.
What is the cheapest way to fly from BFI to OST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–OST that never appear on search engines, with no booking fees.