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

Return flights

05 Dec - 07 Dec	Eurowings	direct
28 Dec - 09 Jan	Eurowings	direct
14 Dec - 26 Dec	Eurowings
13 Dec - 26 Dec	easyJet
14 Dec - 26 Dec	Eurowings	direct
05 Dec - 08 Dec	Ryanair
21 Dec - 28 Dec	Air Serbia
26 Dec - 04 Jan	Eurowings	direct
27 Dec - 04 Jan	Lufthansa
21 Dec - 28 Dec	Eurowings	direct
19 Dec - 06 Jan	LOT
21 Dec - 06 Jan	LOT
20 Dec - 27 Dec	LOT
19 Dec - 06 Jan	Eurowings	direct
21 Dec - 06 Jan	Eurowings	direct

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 59€

Return flights