Cheapest return flights from Luxemburg to San Jose in December from $787

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

Return flights

06 Dec - 25 Dec Lufthansa
08 Dec - 27 Dec KLM
06 Dec - 27 Dec KLM
04 Dec - 18 Dec Ryanair
30 Dec - 12 Jan Ryanair
10 Dec - 26 Dec Ryanair
03 Dec - 17 Dec Ryanair
06 Dec - 26 Dec Lufthansa
10 Dec - 22 Dec KLM
05 Dec - 19 Dec Ryanair
20 Dec - 13 Jan Luxair
29 Dec - 03 Jan Ryanair

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

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