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

Return flights

30 Dec - 31 Dec	Eurowings
30 Dec - 09 Jan	Eurowings	direct
30 Dec - 13 Jan	Eurowings
28 Dec - 31 Dec	Eurowings
30 Dec - 06 Jan	Eurowings	direct
31 Dec - 01 Jan	Eurowings
29 Dec - 08 Jan	Pegasus Airlines
29 Dec - 01 Jan	Air Serbia
28 Dec - 30 Dec	Eurowings	direct
30 Dec - 30 Dec	Eurowings
28 Dec - 01 Jan	Eurowings
26 Dec - 30 Dec	Eurowings	direct
28 Dec - 05 Jan	Eurowings
30 Dec - 02 Jan	Eurowings	direct
28 Dec - 05 Jan	Eurowings	direct
27 Dec - 30 Dec	LOT
29 Dec - 29 Dec	Pegasus Airlines
25 Dec - 27 Dec	LOT
25 Dec - 28 Dec	LOT
26 Dec - 26 Dec	LOT

Also check the deals for one-way flights from Duesseldorf 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 Duesseldorf to Bucharest in December from 149€

Return flights