Cheapest return SAN–LHR flights, December

AirHint found the following cheapest return flights from San Diego (SAN) to London (LHR) in December 2026 (see full year).

Return flights

01 Dec - 06 Dec Delta
24 Dec - 07 Jan KLM
23 Dec - 09 Jan Delta
24 Dec - 09 Jan Delta
22 Dec - 30 Dec Delta
30 Dec - 03 Jan Delta
25 Dec - 02 Jan Alaska Airlines
19 Dec - 31 Dec Alaska Airlines
30 Dec - 03 Jan British Airways direct

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

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