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

Return flights

02 Dec - 09 Dec	British Airways	direct
18 Dec - 25 Dec	British Airways	direct
09 Dec - 30 Dec	British Airways	direct
08 Dec - 30 Dec	Volaris Costa Rica
23 Dec - 08 Jan	British Airways	direct
08 Dec - 29 Dec	Volaris Costa Rica
09 Dec - 29 Dec	Arajet
23 Dec - 03 Jan	British Airways	direct
03 Dec - 07 Jan	Iberia
16 Dec - 09 Jan	Copa
26 Dec - 11 Jan	jetBlue
29 Dec - 12 Jan	Iberia
04 Dec - 18 Dec	British Airways	direct
23 Dec - 27 Dec	British Airways	direct
26 Dec - 18 Jan	SWISS
22 Dec - 26 Dec	Avianca
12 Dec - 02 Jan	jetBlue
20 Dec - 25 Dec	British Airways	direct

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

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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Cheapest return flights from San Jose to London in December from 605€

Return flights