Cheapest return flights from San Diego to London in December from 638€

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

Return flights

12 Dec - 10 Jan Frontier Airlines
24 Dec - 17 Jan Hawaiian Airlines
11 Dec - 18 Dec Hawaiian Airlines
10 Dec - 23 Dec Frontier Airlines
03 Dec - 17 Dec Hawaiian Airlines
30 Dec - 09 Jan Hawaiian Airlines
27 Dec - 06 Jan Alaska Airlines
01 Dec - 06 Dec Air Canada
12 Dec - 30 Dec Alaska Airlines
12 Dec - 20 Dec Alaska Airlines
12 Dec - 03 Jan Frontier Airlines
05 Dec - 27 Dec Frontier Airlines
12 Dec - 06 Jan Alaska Airlines
03 Dec - 27 Dec Frontier Airlines
14 Dec - 03 Jan Hawaiian Airlines
12 Dec - 19 Dec Frontier Airlines
17 Dec - 07 Jan Alaska Airlines
26 Dec - 08 Jan Hawaiian Airlines
16 Dec - 04 Jan Hawaiian Airlines
02 Dec - 27 Dec Hawaiian Airlines

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

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