Need help booking?
Unpublished phone-only deals available
BFI to LYX: distance & flight time
Seattle (Boeing Field King County International Airport) → Lydd (Lydd Airport)
4,846 mi
7,799 km · 4,211 nm
9h 58m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BFI→LYX fares Phone-only fares on this route — call free
Flight time details
4,846 miles nonstop takes roughly 9h 58m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- BFI — Boeing Field King County International Airport · Seattle, United States
- LYX — Lydd Airport · Lydd, United Kingdom
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 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
Near LYX
- LYM · Lympne Airport9 mi away
- LGW · London Gatwick Airport51 mi away
- LHR · London Heathrow Airport70 mi away
- MSE · Kent International Airport32 mi away
Frequently asked questions
How far is BFI from LYX?
The flight distance from Seattle (BFI) to Lydd (LYX) is 4,846 miles (7,799 km, 4,211 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BFI to LYX?
A nonstop flight takes about 9h 58m 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 Seattle and Lydd?
Lydd is 8 hours ahead of Seattle.
What is the cheapest way to fly from BFI to LYX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–LYX that never appear on search engines, with no booking fees.