Cheapest return flights from Luxemburg to San Jose in December from 704€

AirHint found the following cheapest return flights from Luxemburg (LUX) to San Jose (SJO) in December 2025 (see full year).

Return flights

08 Dec - 27 Dec KLM
06 Dec - 27 Dec KLM
06 Dec - 26 Dec KLM
06 Dec - 18 Dec Lufthansa
30 Dec - 12 Jan Ryanair
06 Dec - 25 Dec Lufthansa
29 Dec - 06 Jan Ryanair
14 Dec - 02 Jan Ryanair
20 Dec - 13 Jan ITA Airways
20 Dec - 27 Dec KLM
21 Dec - 03 Jan Ryanair

Also check the deals for one-way flights from Luxemburg to San Jose in December.

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