Cheapest return flights from San Diego to London in October from $541

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

Return flights

21 Oct - 28 Oct Air Canada
27 Oct - 22 Nov Frontier Airlines
20 Oct - 24 Oct Frontier Airlines
26 Oct - 31 Oct Frontier Airlines
21 Oct - 25 Oct Frontier Airlines
31 Oct - 22 Nov Frontier Airlines
29 Oct - 09 Nov Alaska Airlines
22 Oct - 29 Oct Frontier Airlines
31 Oct - 09 Nov Alaska Airlines
21 Oct - 29 Oct Frontier Airlines
30 Oct - 07 Nov Frontier Airlines
30 Oct - 09 Nov Alaska Airlines
30 Oct - 08 Nov Hawaiian Airlines
18 Oct - 25 Oct Frontier Airlines
18 Oct - 08 Nov Icelandair
21 Oct - 27 Oct Alaska Airlines
30 Oct - 02 Nov Frontier Airlines
29 Oct - 22 Nov Hawaiian Airlines
21 Oct - 26 Oct Alaska Airlines
20 Oct - 30 Oct Lufthansa

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

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