Cheapest return flights from San Francisco to London in July from $737

Best time to book flights for San Francisco (SFO) to London (LHR) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to London (LHR) in July 2025 (see full year).

Return flights

16 Jul - 30 Jul TAP
22 Jul - 07 Aug TAP
21 Jul - 04 Aug TAP
15 Jul - 06 Aug TAP
15 Jul - 22 Jul TAP
15 Jul - 31 Jul TAP
10 Jul - 15 Jul TAP
22 Jul - 07 Aug Finnair direct
16 Jul - 30 Jul Iberia direct
15 Jul - 31 Jul Iberia direct
15 Jul - 06 Aug Iberia direct
02 Jul - 16 Jul TAP
10 Jul - 28 Jul TAP
15 Jul - 22 Jul British Airways direct
08 Jul - 20 Jul TAP
21 Jul - 04 Aug British Airways direct
24 Jul - 09 Aug British Airways direct

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

Skyscanner

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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