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OBS to BFI: distance & flight time
Aubenas-vals-lanas (Aubenas-Ardèche Méridional Airport) → Seattle (Boeing Field King County International Airport)
5,300 mi
8,529 km · 4,605 nm
10h 51m
estimated nonstop flight time
-9h
time difference · heading northwest
See live OBS→BFI fares Phone-only fares on this route — call free
Flight time details
5,300 miles nonstop takes roughly 10h 51m 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
- OBS — Aubenas-Ardèche Méridional Airport · Aubenas-vals-lanas, France
- 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 OBS
- XOG · Orange-Caritat (BA 115) Air Base37 mi away
- VAF · Valence-Chabeuil Airport39 mi away
- MEN · Mende-Brenoux Airfield41 mi away
- LPY · Le Puy-Loudes Airport48 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 OBS from BFI?
The flight distance from Aubenas-vals-lanas (OBS) to Seattle (BFI) is 5,300 miles (8,529 km, 4,605 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OBS to BFI?
A nonstop flight takes about 10h 51m 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 Aubenas-vals-lanas and Seattle?
Seattle is 9 hours behind Aubenas-vals-lanas.
What is the cheapest way to fly from OBS to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OBS–BFI that never appear on search engines, with no booking fees.