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

Return flights

26 Jan - 05 Feb	KLM
07 Jan - 21 Jan	KLM
06 Jan - 20 Jan	KLM
17 Jan - 31 Jan	Luxair
17 Jan - 24 Jan	Ryanair
08 Jan - 22 Jan	Luxair

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to San Jose in January from $933

Return flights