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

Return flights

19 Jan - 04 Feb	Ryanair
23 Jan - 06 Feb	Ryanair
24 Jan - 04 Feb	Ryanair
23 Jan - 04 Feb	Ryanair
28 Jan - 11 Feb	Ryanair
28 Jan - 15 Feb	Ryanair
28 Jan - 08 Feb	Ryanair
24 Jan - 18 Feb	Ryanair
23 Jan - 08 Feb	Ryanair
28 Jan - 18 Feb	Ryanair
16 Jan - 27 Jan	Ryanair
20 Jan - 31 Jan	Ryanair
20 Jan - 27 Jan	Ryanair
19 Jan - 31 Jan	Ryanair
18 Jan - 31 Jan	Ryanair
18 Jan - 27 Jan	Ryanair
25 Jan - 31 Jan	Ryanair
18 Jan - 28 Jan	Ryanair
16 Jan - 28 Jan	Ryanair
23 Jan - 26 Jan	Ryanair

Also check the deals for one-way flights from London to San Jose 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 London to San Jose in January from $837

Return flights