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

Return flights

05 Dec - 08 Dec	Luxair	direct
12 Dec - 15 Dec	Ryanair
11 Dec - 14 Dec	Wizz Air Malta
11 Dec - 15 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
19 Dec - 04 Jan	Ryanair
03 Dec - 09 Dec	SWISS
22 Dec - 29 Dec	Ryanair
19 Dec - 26 Dec	Wizz Air Malta
08 Dec - 12 Dec	SWISS
19 Dec - 02 Jan	Wizz Air Malta
21 Dec - 29 Dec	Ryanair
29 Dec - 02 Jan	LOT
19 Dec - 02 Jan	Luxair	direct

Also check the deals for one-way flights from Bucharest 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 Bucharest to Luxemburg in December from $127

Return flights