Cheapest return flights from San Diego to London in December from 785€

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

Return flights

02 Dec - 09 Dec Alaska Airlines
30 Dec - 13 Jan Frontier Airlines
22 Dec - 11 Jan Frontier Airlines
26 Dec - 12 Jan Frontier Airlines
21 Dec - 10 Jan Frontier Airlines
18 Dec - 09 Jan Frontier Airlines
01 Dec - 08 Dec Frontier Airlines
20 Dec - 11 Jan Frontier Airlines
08 Dec - 11 Dec Hawaiian Airlines
24 Dec - 10 Jan Frontier Airlines
10 Dec - 13 Dec Lufthansa
30 Dec - 06 Jan Alaska Airlines
19 Dec - 09 Jan Frontier Airlines
26 Dec - 16 Jan Alaska Airlines
08 Dec - 10 Dec Frontier Airlines
13 Dec - 26 Dec jetBlue
15 Dec - 31 Dec Alaska Airlines
21 Dec - 29 Dec Frontier Airlines
16 Dec - 30 Dec Alaska Airlines
12 Dec - 20 Dec WestJet

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

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