Cheapest return SJO–LHR flights, December

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

Return flights

27 Dec - 19 Jan KLM
01 Dec - 08 Dec KLM
15 Dec - 15 Jan Air Canada
05 Dec - 05 Jan Air Canada
21 Dec - 05 Jan Air Canada
19 Dec - 05 Jan Air Canada
24 Dec - 07 Jan Air Canada
24 Dec - 03 Jan Air Canada
19 Dec - 03 Jan Air Canada
25 Dec - 02 Jan Air Canada
08 Dec - 26 Dec KLM

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

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