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

Return flights

28 Jan - 11 Feb	Ryanair
31 Jan - 15 Feb	Ryanair
26 Jan - 09 Feb	Ryanair
31 Jan - 08 Feb	Ryanair
22 Jan - 29 Jan	Ryanair
31 Jan - 14 Feb	Ryanair
29 Jan - 08 Feb	Ryanair
21 Jan - 04 Feb	Ryanair
19 Jan - 02 Feb	Ryanair
31 Jan - 10 Feb	Ryanair
31 Jan - 17 Feb	Ryanair
13 Jan - 24 Jan	Ryanair
25 Jan - 31 Jan	Ryanair
16 Jan - 30 Jan	Ryanair
10 Jan - 20 Jan	Ryanair
09 Jan - 24 Jan	Ryanair
11 Jan - 25 Jan	Ryanair
20 Jan - 24 Jan	Ryanair
07 Jan - 21 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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from London to San Jose in January from 585€

Return flights