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

Return flights

09 Dec - 12 Dec	Ryanair
10 Dec - 17 Dec	easyJet
12 Dec - 19 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
14 Dec - 16 Dec	easyJet
09 Dec - 10 Dec	Ryanair
12 Dec - 12 Jan	easyJet
12 Dec - 14 Dec	easyJet
31 Dec - 08 Jan	SWISS
12 Dec - 12 Dec	easyJet
09 Dec - 11 Dec	Ryanair
12 Dec - 26 Dec	easyJet
29 Dec - 05 Jan	easyJet
28 Dec - 04 Jan	Lufthansa
12 Dec - 12 Jan	Luxair	direct
21 Dec - 05 Jan	Ryanair
24 Dec - 01 Jan	SWISS
21 Dec - 02 Jan	Ryanair
22 Dec - 02 Jan	Ryanair
23 Dec - 01 Jan	Ryanair

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

Return flights