AirHint found the following cheapest return flights from London (LON) to San Diego (SAN) in October 2026 (see full year).
Return flights
| 23 Oct - 06 Nov | SWISS | ||
| 01 Oct - 08 Oct | British Airways | direct | |
| 26 Oct - 06 Nov | Lufthansa | ||
| 26 Oct - 06 Nov | British Airways | direct | |
| 23 Oct - 06 Nov | Finnair | direct |
Also check the deals for one-way flights from London to San Diego in October.
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