Cheapest return flights from San Diego to London in October from $626

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

Return flights

13 Oct - 20 Oct Frontier Airlines
07 Oct - 11 Oct Frontier Airlines
06 Oct - 22 Oct Air France
08 Oct - 16 Oct Lufthansa
29 Oct - 05 Nov Lufthansa
01 Oct - 07 Oct Air Canada
20 Oct - 15 Nov Hawaiian Airlines
14 Oct - 23 Oct Air Canada
31 Oct - 07 Nov Aer Lingus
17 Oct - 19 Oct Air Canada
20 Oct - 27 Oct Hawaiian Airlines
24 Oct - 03 Nov Alaska Airlines
09 Oct - 12 Oct Lufthansa
10 Oct - 01 Nov Hawaiian Airlines
11 Oct - 18 Oct Air Canada

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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