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

Return flights

31 Jul - 11 Aug	Alaska Airlines
27 Jul - 09 Aug	Lufthansa
13 Jul - 27 Jul	Alaska Airlines
08 Jul - 15 Jul	Icelandair
15 Jul - 05 Aug	Icelandair
25 Jul - 08 Aug	Alaska Airlines
26 Jul - 09 Aug	Lufthansa
01 Jul - 10 Jul	Lufthansa
02 Jul - 10 Jul	Alaska Airlines
03 Jul - 07 Jul	Alaska Airlines
12 Jul - 19 Jul	Air Canada
02 Jul - 12 Jul	Lufthansa
10 Jul - 17 Jul	Icelandair
02 Jul - 04 Jul	Lufthansa
02 Jul - 09 Jul	Alaska Airlines

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 $1032

Return flights