Need help booking?
Unpublished phone-only deals available
YXU to BFI: distance & flight time
London (London Airport) → Seattle (Boeing Field King County International Airport)
2,000 mi
3,219 km · 1,738 nm
4h 23m
estimated nonstop flight time
-3h
time difference · heading northwest
See live YXU→BFI fares Phone-only fares on this route — call free
Flight time details
2,000 miles nonstop takes roughly 4h 23m 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
- YXU — London Airport · London, Canada
- 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 YXU
- YQS · St Thomas Municipal Airport18 mi away
- YCE · Centralia / James T. Field Memorial Aerodrome25 mi away
- YYZ · Lester B. Pearson International Airport88 mi away
- YKF · Waterloo Airport49 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 YXU from BFI?
The flight distance from London (YXU) to Seattle (BFI) is 2,000 miles (3,219 km, 1,738 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YXU to BFI?
A nonstop flight takes about 4h 23m 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 London and Seattle?
Seattle is 3 hours behind London.
What is the cheapest way to fly from YXU to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YXU–BFI that never appear on search engines, with no booking fees.