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

Return flights

12 Dec - 15 Dec	Ryanair
19 Dec - 22 Dec	Wizz Air
15 Dec - 16 Dec	Wizz Air
23 Dec - 17 Jan	Wizz Air
12 Dec - 17 Dec	Ryanair
15 Dec - 17 Dec	Wizz Air
16 Dec - 18 Dec	Ryanair
16 Dec - 17 Dec	Ryanair
20 Dec - 22 Dec	Ryanair
14 Dec - 17 Dec	Ryanair
01 Dec - 07 Dec	Ryanair
31 Dec - 04 Jan	Ryanair

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

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 Warsaw to Luxemburg in December from 88€

Return flights