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

Return flights

12 Jan - 02 Feb	Spirit Airlines
02 Jan - 15 Jan	Avianca
04 Jan - 11 Jan	KLM

Also check the deals for one-way flights from San Jose to Lisbon 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 San Jose to Lisbon in January from $755

Return flights