Cheapest return flights from London to San Jose in December from $601

AirHint found the following cheapest return flights from London (LHR) to San Jose (SJO) in December 2025 (see full year).

Return flights

02 Dec - 16 Dec SWISS
02 Dec - 09 Dec SWISS
02 Dec - 08 Dec SWISS
04 Dec - 11 Dec SWISS
05 Dec - 11 Dec Air Canada
01 Dec - 08 Dec Air Canada
01 Dec - 11 Dec Air Canada
09 Dec - 08 Jan Air Canada
09 Dec - 16 Dec Air Canada
10 Dec - 24 Dec Air Canada
28 Dec - 07 Jan Air Canada
30 Dec - 10 Jan Air Canada
28 Dec - 11 Jan Air Canada
23 Dec - 20 Jan Air Canada
27 Dec - 20 Jan Air Canada
29 Dec - 20 Jan Air Canada
06 Dec - 16 Dec Air Canada
29 Dec - 10 Jan Air Canada
29 Dec - 08 Jan Air Canada
28 Dec - 28 Jan Air Canada

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

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