Need help booking?
Unpublished phone-only deals available
SIJ to BFI: distance & flight time
Siglufjordur (Siglufjörður Airport) → Seattle (Boeing Field King County International Airport)
3,615 mi
5,817 km · 3,141 nm
7h 33m
estimated nonstop flight time
-7h
time difference · heading northwest
See live SIJ→BFI fares Phone-only fares on this route — call free
Flight time details
3,615 miles nonstop takes roughly 7h 33m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIJ — Siglufjörður Airport · Siglufjordur, Iceland
- 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 SIJ
- SAK · Sauðárkrókur Airport33 mi away
- GRY · Grímsey Airport38 mi away
- AEY · Akureyri Airport40 mi away
- HZK · Húsavík Airport44 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 SIJ from BFI?
The flight distance from Siglufjordur (SIJ) to Seattle (BFI) is 3,615 miles (5,817 km, 3,141 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIJ to BFI?
A nonstop flight takes about 7h 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 Siglufjordur and Seattle?
Seattle is 7 hours behind Siglufjordur.
What is the cheapest way to fly from SIJ to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIJ–BFI that never appear on search engines, with no booking fees.