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QLA to BFI: distance & flight time
Lasham (Lasham Airport) → Seattle (Boeing Field King County International Airport)
4,781 mi
7,695 km · 4,155 nm
9h 51m
estimated nonstop flight time
-8h
time difference · heading northwest
See live QLA→BFI fares Phone-only fares on this route — call free
Flight time details
4,781 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
- QLA — Lasham Airport · Lasham, 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 QLA
- LHR · London Heathrow Airport32 mi away
- LGW · London Gatwick Airport37 mi away
- ODH · RAF Odiham5 mi away
- BBS · Blackbushe Airport12 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 QLA from BFI?
The flight distance from Lasham (QLA) to Seattle (BFI) is 4,781 miles (7,695 km, 4,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from QLA 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 Lasham and Seattle?
Seattle is 8 hours behind Lasham.
What is the cheapest way to fly from QLA to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on QLA–BFI that never appear on search engines, with no booking fees.