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

Return flights

08 Jan - 27 Jan	Avianca
19 Jan - 29 Jan	jetBlue
10 Jan - 17 Jan	Volaris Costa Rica
08 Jan - 22 Jan	Avianca
09 Jan - 16 Jan	Volaris Costa Rica
24 Jan - 31 Jan	Spirit Airlines
24 Jan - 31 Jan	British Airways	direct
10 Jan - 07 Feb	Avianca
08 Jan - 22 Jan	British Airways	direct
05 Jan - 16 Jan	Spirit Airlines
08 Jan - 27 Jan	British Airways	direct
10 Jan - 07 Feb	British Airways	direct

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

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 January from 590€

Return flights