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

Return flights

17 Jan - 27 Jan	Ryanair
16 Jan - 27 Jan	Ryanair
31 Jan - 10 Feb	Ryanair
17 Jan - 10 Feb	Ryanair
31 Jan - 17 Feb	Ryanair
31 Jan - 28 Feb	Ryanair
31 Jan - 03 Feb	Ryanair
17 Jan - 24 Jan	Ryanair
17 Jan - 07 Feb	Ryanair
17 Jan - 31 Jan	Ryanair
31 Jan - 07 Feb	Ryanair
24 Jan - 31 Jan	Ryanair
24 Jan - 08 Feb	Ryanair
24 Jan - 07 Feb	Ryanair
31 Jan - 08 Feb	Ryanair
17 Jan - 25 Jan	Ryanair
14 Jan - 21 Jan	easyJet
20 Jan - 31 Jan	Ryanair
22 Jan - 29 Jan	Wizz Air Malta
11 Jan - 31 Jan	easyJet

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 $773

Return flights