AirHint found the following cheapest return flights from San Diego (SAN) to London (LGW) in August 2026 (see full year).
Return flights
| 12 Aug - 02 Sep | SWISS | ||
| 29 Aug - 12 Sep | Alaska Airlines | ||
| 16 Aug - 27 Aug | Lufthansa | ||
| 03 Aug - 16 Aug | Lufthansa | ||
| 10 Aug - 20 Aug | Air Canada | ||
| 14 Aug - 20 Aug | Alaska Airlines |
Also check the deals for one-way flights from San Diego to London in August.
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