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

Return flights

19 Aug - 28 Aug	Eurowings
26 Aug - 02 Sep	Eurowings	direct
19 Aug - 25 Aug	Eurowings
22 Aug - 29 Aug	Eurowings	direct
18 Aug - 26 Aug	Eurowings
28 Aug - 02 Sep	easyJet
25 Aug - 01 Sep	Eurowings	direct
11 Aug - 13 Aug	Eurowings
18 Aug - 19 Aug	Eurowings
29 Aug - 07 Sep	Ryanair
18 Aug - 26 Aug	Eurowings	direct
21 Aug - 28 Aug	Eurowings
18 Aug - 19 Aug	Eurowings	direct
17 Aug - 18 Aug	Eurowings
28 Aug - 02 Sep	Eurowings	direct

Also check the deals for one-way flights from Duesseldorf to Bucharest in August.

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 August from 126€

Return flights