Need help booking?
Unpublished phone-only deals available
FAB to BFI: distance & flight time
Farnborough (Farnborough Airport) → Seattle (Boeing Field King County International Airport)
4,783 mi
7,698 km · 4,157 nm
9h 51m
estimated nonstop flight time
-8h
time difference · heading northwest
See live FAB→BFI fares Phone-only fares on this route — call free
Flight time details
4,783 miles nonstop takes roughly 9h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- FAB — Farnborough Airport · Farnborough, United Kingdom
- 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 FAB
- LHR · London Heathrow Airport19 mi away
- LGW · London Gatwick Airport27 mi away
- BBS · Blackbushe Airport5 mi away
- ODH · RAF Odiham8 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 FAB from BFI?
The flight distance from Farnborough (FAB) to Seattle (BFI) is 4,783 miles (7,698 km, 4,157 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FAB to BFI?
A nonstop flight takes about 9h 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 Farnborough and Seattle?
Seattle is 8 hours behind Farnborough.
What is the cheapest way to fly from FAB to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FAB–BFI that never appear on search engines, with no booking fees.