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

Return flights

17 Sep - 22 Sep	Eurowings
27 Sep - 11 Oct	Eurowings	direct
15 Sep - 24 Sep	Eurowings	direct
29 Sep - 08 Oct	Eurowings	direct
15 Sep - 17 Sep	Eurowings	direct
13 Sep - 18 Sep	Eurowings
24 Sep - 28 Sep	Eurowings
16 Sep - 21 Sep	Ryanair
03 Sep - 08 Sep	Eurowings
20 Sep - 22 Sep	Eurowings	direct
17 Sep - 22 Sep	Eurowings	direct
20 Sep - 27 Sep	Eurowings
29 Sep - 02 Oct	Eurowings
27 Sep - 04 Oct	Eurowings
28 Sep - 01 Oct	easyJet
27 Sep - 04 Oct	Eurowings	direct
25 Sep - 12 Oct	Lufthansa

Also check the deals for one-way flights from Duesseldorf to Belgrade in September.

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 September from 96€

Return flights