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BFI to LCY: distance & flight time

Seattle (Boeing Field King County International Airport) → London (London City Airport)

4,793 mi
7,713 km · 4,165 nm
9h 52m
estimated nonstop flight time
+8h
time difference · heading northeast
See live BFILCY fares Phone-only fares on this route — call free

Flight time details

4,793 miles nonstop takes roughly 9h 52m 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

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.

Frequently asked questions

How far is BFI from LCY?

The flight distance from Seattle (BFI) to London (LCY) is 4,793 miles (7,713 km, 4,165 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from BFI to LCY?

A nonstop flight takes about 9h 52m 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 London?

London is 8 hours ahead of Seattle.

What is the cheapest way to fly from BFI to LCY?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BFI–LCY that never appear on search engines, with no booking fees.
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