Cheapest return flights from London to San Jose in December from 770€

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

Return flights

28 Dec - 10 Jan Air Canada
28 Dec - 11 Jan Air Canada
27 Dec - 10 Jan Air Canada
27 Dec - 13 Jan SWISS
31 Dec - 15 Jan Air Canada
27 Dec - 11 Jan SWISS
27 Dec - 18 Jan SWISS
27 Dec - 22 Jan Air Canada
27 Dec - 27 Jan SWISS
30 Dec - 30 Jan Air Canada
27 Dec - 31 Dec Lufthansa
29 Dec - 31 Dec British Airways

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

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