Need help booking?
Unpublished phone-only deals available
OIR to BFI: distance & flight time
Okushiri (Okushiri Airport) → Seattle (Boeing Field King County International Airport)
4,493 mi
7,231 km · 3,904 nm
9h 17m
estimated nonstop flight time
-16h
time difference · heading northeast
See live OIR→BFI fares Phone-only fares on this route — call free
Flight time details
4,493 miles nonstop takes roughly 9h 17m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- OIR — Okushiri Airport · Okushiri, Japan
- 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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 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 OIR from BFI?
The flight distance from Okushiri (OIR) to Seattle (BFI) is 4,493 miles (7,231 km, 3,904 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to BFI?
A nonstop flight takes about 9h 17m 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 Okushiri and Seattle?
Seattle is 16 hours behind Okushiri.
What is the cheapest way to fly from OIR to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–BFI that never appear on search engines, with no booking fees.