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SFT to BFI: distance & flight time
Skelleftea (Skellefteå Airport) → Seattle (Boeing Field King County International Airport)
4,440 mi
7,146 km · 3,858 nm
9h 10m
estimated nonstop flight time
-9h
time difference · heading northwest
See live SFT→BFI fares Phone-only fares on this route — call free
Flight time details
4,440 miles nonstop takes roughly 9h 10m 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
- SFT — Skellefteå Airport · Skelleftea, 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 SFT
- UME · Umeå Airport62 mi away
- LYC · Lycksele Airport70 mi away
- LLA · Luleå Airport70 mi away
- AJR · Arvidsjaur Airport85 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 SFT from BFI?
The flight distance from Skelleftea (SFT) to Seattle (BFI) is 4,440 miles (7,146 km, 3,858 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFT to BFI?
A nonstop flight takes about 9h 10m 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 Skelleftea and Seattle?
Seattle is 9 hours behind Skelleftea.
What is the cheapest way to fly from SFT to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFT–BFI that never appear on search engines, with no booking fees.