Need help booking?
Unpublished phone-only deals available
FMH to BFI: distance & flight time
Falmouth (Cape Cod Coast Guard Air Station) → Seattle (Boeing Field King County International Airport)
2,532 mi
4,074 km · 2,200 nm
5h 26m
estimated nonstop flight time
-3h
time difference · heading northwest
See live FMH→BFI fares Phone-only fares on this route — call free
Flight time details
2,532 miles nonstop takes roughly 5h 26m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- FMH — Cape Cod Coast Guard Air Station · Falmouth, United States
- 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 FMH
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 FMH from BFI?
The flight distance from Falmouth (FMH) to Seattle (BFI) is 2,532 miles (4,074 km, 2,200 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FMH to BFI?
A nonstop flight takes about 5h 26m 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 Falmouth and Seattle?
Seattle is 3 hours behind Falmouth.
What is the cheapest way to fly from FMH to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FMH–BFI that never appear on search engines, with no booking fees.