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

Return flights

31 Jan - 15 Feb	Ryanair
31 Jan - 08 Feb	Ryanair
31 Jan - 10 Feb	Ryanair
09 Jan - 18 Jan	Ryanair
31 Jan - 14 Feb	Ryanair
25 Jan - 31 Jan	Ryanair
23 Jan - 08 Feb	Ryanair
25 Jan - 08 Feb	Ryanair
10 Jan - 01 Feb	Ryanair
10 Jan - 20 Jan	Ryanair
09 Jan - 24 Jan	Ryanair
20 Jan - 24 Jan	Ryanair
30 Jan - 15 Feb	Ryanair
13 Jan - 26 Jan	Ryanair
17 Jan - 26 Jan	Ryanair
24 Jan - 01 Feb	Ryanair
24 Jan - 07 Feb	Ryanair
19 Jan - 26 Jan	Ryanair
24 Jan - 31 Jan	Ryanair
10 Jan - 24 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 $763

Return flights