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

Return flights

15 Dec - 18 Dec	easyJet
31 Dec - 07 Jan	Ryanair
15 Dec - 22 Dec	Ryanair
15 Dec - 19 Dec	Ryanair
12 Dec - 14 Dec	Ryanair
21 Dec - 31 Dec	Ryanair
10 Dec - 14 Dec	easyJet
13 Dec - 14 Dec	Ryanair
10 Dec - 13 Dec	easyJet
10 Dec - 17 Dec	easyJet
12 Dec - 19 Dec	Ryanair
30 Dec - 06 Jan	SWISS
30 Dec - 05 Jan	KLM
31 Dec - 01 Jan	Ryanair
29 Dec - 05 Jan	SWISS
31 Dec - 02 Jan	Ryanair
26 Dec - 01 Jan	Ryanair
31 Dec - 03 Jan	Ryanair
26 Dec - 04 Jan	Ryanair
28 Dec - 04 Jan	KLM

Also check the deals for one-way flights from Luxemburg to Prague 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 Luxemburg to Prague in December from 171€

Return flights