Cheapest return flights from San Francisco to London in July from 424€

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

Return flights

29 Jul - 26 Aug SWISS
24 Jul - 22 Aug Frontier Airlines
16 Jul - 13 Aug Virgin Atlantic
25 Jul - 19 Aug Frontier Airlines
15 Jul - 22 Jul Delta
16 Jul - 24 Jul Delta
14 Jul - 22 Jul Delta
20 Jul - 28 Jul American Airlines
14 Jul - 18 Aug Frontier Airlines
09 Jul - 14 Aug Air France
15 Jul - 23 Jul Air France
08 Jul - 12 Jul Iberia For Level
16 Jul - 25 Jul Delta
13 Jul - 22 Jul Delta
14 Jul - 09 Aug Frontier Airlines
05 Jul - 13 Aug jetBlue
28 Jul - 11 Aug Frontier Airlines
30 Jul - 08 Aug Frontier Airlines
22 Jul - 28 Jul Delta
23 Jul - 28 Jul Delta

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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