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OSK to BFI: distance & flight time
Oskarshamn (Oskarshamn Airport) → Seattle (Boeing Field King County International Airport)
4,816 mi
7,750 km · 4,185 nm
9h 55m
estimated nonstop flight time
-9h
time difference · heading northwest
See live OSK→BFI fares Phone-only fares on this route — call free
Flight time details
4,816 miles nonstop takes roughly 9h 55m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- OSK — Oskarshamn Airport · Oskarshamn, Sweden
- BFI — Boeing Field King County 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 OSK
- HLF · Hultsfred Airport28 mi away
- KLR · Kalmar Airport47 mi away
- VXO · Växjö Kronoberg Airport72 mi away
- VBY · Visby Airport72 mi away
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
Frequently asked questions
How far is OSK from BFI?
The flight distance from Oskarshamn (OSK) to Seattle (BFI) is 4,816 miles (7,750 km, 4,185 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSK to BFI?
A nonstop flight takes about 9h 55m 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 Oskarshamn and Seattle?
Seattle is 9 hours behind Oskarshamn.
What is the cheapest way to fly from OSK to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSK–BFI that never appear on search engines, with no booking fees.