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

Return flights

25 Jan - 01 Feb	Avianca
23 Jan - 31 Jan	Avianca
20 Jan - 01 Feb	Arajet
15 Jan - 22 Jan	Air Canada
20 Jan - 03 Feb	Arajet
16 Jan - 23 Jan	Air Canada
20 Jan - 17 Feb	British Airways	direct
24 Jan - 21 Feb	Iberia
17 Jan - 12 Feb	Air Canada
24 Jan - 28 Jan	Avianca
15 Jan - 26 Jan	Avianca
15 Jan - 22 Jan	British Airways	direct
19 Jan - 29 Jan	Avianca
31 Jan - 07 Feb	British Airways	direct
24 Jan - 21 Feb	British Airways	direct
19 Jan - 08 Feb	Iberia
16 Jan - 21 Jan	Avianca
19 Jan - 07 Feb	Iberia

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 689€

Return flights