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

Return flights

23 Jul - 13 Aug	Lufthansa
29 Jul - 10 Aug	Lufthansa
24 Jul - 14 Aug	Lufthansa
24 Jul - 14 Aug	British Airways	direct
23 Jul - 13 Aug	British Airways	direct
21 Jul - 30 Jul	British Airways	direct
29 Jul - 10 Aug	British Airways	direct
13 Jul - 29 Jul	Alaska Airlines
05 Jul - 13 Jul	jetBlue
22 Jul - 01 Aug	Iberia
12 Jul - 25 Jul	jetBlue
15 Jul - 28 Jul	United
13 Jul - 29 Jul	British Airways	direct
15 Jul - 28 Jul	British Airways	direct
05 Jul - 13 Jul	American Airlines	direct
02 Jul - 19 Jul	Icelandair
02 Jul - 19 Jul	American Airlines	direct
22 Jul - 01 Aug	British Airways	direct

Also check the deals for one-way flights from San Diego 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 Diego to London in July from $871

Return flights