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

Return flights

27 Aug - 17 Sep	Eurowings	direct
20 Aug - 27 Aug	Eurowings
20 Aug - 14 Sep	Eurowings
31 Aug - 03 Sep	Ryanair
20 Aug - 12 Sep	Eurowings
25 Aug - 27 Aug	Eurowings
26 Aug - 30 Sep	Ryanair
13 Aug - 27 Aug	Ryanair
18 Aug - 24 Aug	Eurowings
23 Aug - 08 Sep	Eurowings
16 Aug - 18 Aug	Eurowings
31 Aug - 03 Sep	Air Serbia	direct
28 Aug - 01 Sep	easyJet
29 Aug - 01 Sep	easyJet
24 Aug - 27 Aug	Air Serbia
21 Aug - 11 Sep	Air Serbia	direct
06 Aug - 13 Aug	Ryanair
13 Aug - 17 Aug	Ryanair
11 Aug - 21 Aug	Eurowings
13 Aug - 20 Aug	Eurowings

Also check the deals for one-way flights from Duesseldorf to Belgrade 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 Belgrade in August from 117€

Return flights