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GNB to BFI: distance & flight time
Grenoble (Grenoble-Isère Airport) → Seattle (Boeing Field King County International Airport)
5,278 mi
8,495 km · 4,587 nm
10h 49m
estimated nonstop flight time
-9h
time difference · heading northwest
See live GNB→BFI fares Phone-only fares on this route — call free
Flight time details
5,278 miles nonstop takes roughly 10h 49m 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
- GNB — Grenoble-Isère Airport · Grenoble, 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 GNB
- LYS · Lyon Saint-Exupéry Airport28 mi away
- LYN · Lyon-Bron Airport31 mi away
- CMF · Chambéry-Savoie Airport33 mi away
- VAF · Valence-Chabeuil Airport35 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 GNB from BFI?
The flight distance from Grenoble (GNB) to Seattle (BFI) is 5,278 miles (8,495 km, 4,587 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GNB to BFI?
A nonstop flight takes about 10h 49m 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 Grenoble and Seattle?
Seattle is 9 hours behind Grenoble.
What is the cheapest way to fly from GNB to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GNB–BFI that never appear on search engines, with no booking fees.