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

Return flights

09 Dec - 20 Dec	Ryanair
15 Dec - 19 Dec	easyJet
16 Dec - 20 Dec	Ryanair
01 Dec - 04 Dec	Ryanair
15 Dec - 20 Dec	easyJet
09 Dec - 13 Dec	Ryanair
08 Dec - 15 Dec	Ryanair
08 Dec - 19 Dec	Ryanair
07 Dec - 14 Dec	Ryanair
12 Dec - 15 Dec	easyJet
12 Dec - 09 Jan	Ryanair
13 Dec - 10 Jan	Ryanair
25 Dec - 10 Jan	SWISS
21 Dec - 10 Jan	Ryanair
22 Dec - 10 Jan	easyJet
12 Dec - 09 Jan	Luxair	direct
23 Dec - 10 Jan	easyJet
31 Dec - 04 Jan	Ryanair
24 Dec - 10 Jan	SWISS
19 Dec - 09 Jan	easyJet

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.

Book a cheap hotel in Bucharest

Cheap car rent in Bucharest

Cheapest return flights from Luxemburg to Bucharest in December from $111

Return flights