How long is the flight from London to San Francisco?

Direct flights from LHR to SFO cover approximately 8,618 km (5,355 miles), with an estimated flight time of 10h 8m. Operating airlines: BA, UA, VS.

Cheap flights from London to San Francisco

Direct flight: 8,618 km, ~10h 8m from London (LHR) to San Francisco (SFO).

Last updated May 26, 2026 · By Flightmaps Editorial

How long is the flight from London to San Francisco?

Direct flights from LHR to SFO cover approximately 8,618 km (5,355 miles), with an estimated flight time of 10h 8m. Operating airlines: BA, UA, VS.

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