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FFD to BFI: distance & flight time
Fairford (RAF Fairford) → Seattle (Boeing Field King County International Airport)
4,734 mi
7,619 km · 4,114 nm
9h 45m
estimated nonstop flight time
-8h
time difference · heading northwest
See live FFD→BFI fares Phone-only fares on this route — call free
Flight time details
4,734 miles nonstop takes roughly 9h 45m 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
- FFD — RAF Fairford · Fairford, 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 FFD
- BZZ · RAF Brize Norton10 mi away
- GBA · Cotswold Airport11 mi away
- LYE · RAF Lyneham15 mi away
- LHR · London Heathrow Airport59 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 FFD from BFI?
The flight distance from Fairford (FFD) to Seattle (BFI) is 4,734 miles (7,619 km, 4,114 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FFD to BFI?
A nonstop flight takes about 9h 45m 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 Fairford and Seattle?
Seattle is 8 hours behind Fairford.
What is the cheapest way to fly from FFD to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FFD–BFI that never appear on search engines, with no booking fees.