AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in July 2026 (see full year).

Return flights

28 Jul - 12 Aug	British Airways	direct
08 Jul - 22 Jul	Virgin Atlantic
08 Jul - 22 Jul	Virgin Atlantic	direct
08 Jul - 30 Jul	Air France	direct
06 Jul - 13 Jul	Air Canada
05 Jul - 11 Jul	Air Canada
06 Jul - 13 Jul	Virgin Atlantic	direct
22 Jul - 01 Aug	Air France	direct
08 Jul - 20 Jul	Air France	direct
14 Jul - 23 Jul	Brussels Airlines	direct
08 Jul - 12 Jul	Air France	direct
06 Jul - 08 Jul	SWISS

Also check the deals for one-way flights from San Francisco to London in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from San Francisco to London in July from 548€

Return flights