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

Return flights

21 Jan - 30 Jan	Iberia
21 Jan - 31 Jan	Iberia
18 Jan - 30 Jan	Iberia
21 Jan - 01 Feb	United
17 Jan - 31 Jan	United
24 Jan - 07 Feb	United
17 Jan - 01 Feb	United
18 Jan - 31 Jan	Iberia
15 Jan - 22 Jan	Air France
15 Jan - 30 Jan	Azores Airlines
13 Jan - 17 Jan	United
13 Jan - 03 Feb	United

Also check the deals for one-way flights from Lisbon 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 Lisbon to San Jose in January from 632€

Return flights