Cheapest return flights from San Diego to London in October from $612

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

Return flights

15 Oct - 22 Oct Hawaiian Airlines
08 Oct - 17 Oct Hawaiian Airlines
20 Oct - 03 Nov Frontier Airlines
25 Oct - 31 Oct Alaska Airlines
10 Oct - 15 Oct Spirit Airlines
11 Oct - 01 Nov Frontier Airlines
16 Oct - 08 Nov Frontier Airlines
17 Oct - 02 Nov Frontier Airlines
08 Oct - 16 Oct Frontier Airlines
07 Oct - 14 Oct Frontier Airlines
22 Oct - 28 Oct Alaska Airlines
22 Oct - 15 Nov Alaska Airlines
07 Oct - 09 Oct Frontier Airlines
10 Oct - 19 Oct Spirit Airlines
09 Oct - 26 Oct Frontier Airlines
24 Oct - 15 Nov Spirit Airlines

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

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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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