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

Return flights

24 Dec - 14 Jan	British Airways	direct
26 Dec - 12 Jan	British Airways	direct
01 Dec - 12 Dec	British Airways	direct
10 Dec - 02 Jan	Iberia
19 Dec - 02 Jan	British Airways	direct
08 Dec - 26 Dec	British Airways	direct
26 Dec - 09 Jan	British Airways	direct
26 Dec - 05 Jan	British Airways	direct
10 Dec - 02 Jan	British Airways	direct
31 Dec - 30 Jan	Iberia
12 Dec - 04 Jan	Iberia
12 Dec - 19 Dec	British Airways	direct
19 Dec - 08 Jan	Iberia
06 Dec - 27 Dec	Iberia
13 Dec - 20 Dec	Iberia

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 918€

Return flights