Cheapest return flights from San Diego to London in August from $729

AirHint found the following cheapest return flights from San Diego (SAN) to London (LGW) in August 2025 (see full year).

Return flights

24 Aug - 13 Sep Frontier Airlines
31 Aug - 10 Sep Frontier Airlines
23 Aug - 28 Aug Spirit Airlines
22 Aug - 13 Sep Frontier Airlines
24 Aug - 31 Aug Frontier Airlines
24 Aug - 06 Sep Frontier Airlines
27 Aug - 06 Sep Spirit Airlines
23 Aug - 30 Aug Spirit Airlines
26 Aug - 16 Sep Frontier Airlines
30 Aug - 27 Sep Spirit Airlines
31 Aug - 06 Sep Spirit Airlines
21 Aug - 24 Aug Delta
21 Aug - 25 Aug Spirit Airlines
28 Aug - 06 Sep Spirit Airlines
20 Aug - 25 Aug Spirit Airlines
21 Aug - 23 Aug Spirit Airlines
29 Aug - 08 Sep jetBlue
20 Aug - 21 Aug Hawaiian Airlines

Also check the deals for one-way flights from San Diego to London in August.

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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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