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

24 Dec - 07 Jan Air Canada
25 Dec - 07 Jan Air Canada
08 Dec - 15 Jan Air Canada
15 Dec - 16 Jan Air Canada
17 Dec - 18 Jan Air Canada
21 Dec - 05 Jan Air Canada
26 Dec - 05 Jan Air Canada
20 Dec - 04 Jan Air Canada
21 Dec - 04 Jan Air Canada
21 Dec - 06 Jan Air Canada
19 Dec - 29 Dec Avianca

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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