Flight time from London to Boston
About 5,264 km (3,271 miles), an estimated nonstop flight time of 7h 5m.
Distance
5,264 km
3,271 miles
Flight time
7h 5m
nonstop, estimated
Time difference
5h behind
Boston
5,264 km
3,271 miles apart, as the crow flies
Estimated flight time
7h 5m
Time difference
—
A straight-line (great-circle) estimate. Real flights are a little longer because of air-traffic routing, winds and any stopovers, so your landing time is approximate.
London to Boston at a glance
Flying from London, United Kingdom to Boston, United States covers a great-circle distance of roughly 5,264 kilometres (3,271 miles). At a typical jet cruising speed, that is an estimated nonstop flight time of about 7h 5m, before you add taxi time, any air-traffic delays and the effect of the wind. A connection through a hub will add the layover on top.
Boston is about 5 hours behind London, so expect some jet lag from crossing 5 time zones, which tends to hit harder when you fly west and gain them. The interactive calculator above updates the time difference for today's date, and you can swap the cities or pick a different pairing in a tap.
London to Boston FAQ
How long is the flight from London to Boston?
How far is London from Boston?
What is the time difference between London and Boston?
Last reviewed 2026-06-04. Distance is a great-circle estimate; flight time excludes winds, routing and stopovers.

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