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

Return flights

11 Sep - 18 Sep	easyJet
18 Sep - 22 Sep	easyJet
09 Sep - 10 Sep	easyJet
29 Sep - 04 Oct	easyJet
22 Sep - 26 Sep	easyJet
16 Sep - 23 Sep	easyJet
09 Sep - 25 Oct	easyJet
24 Sep - 06 Oct	easyJet
03 Sep - 23 Sep	Vueling Airlines
16 Sep - 24 Sep	easyJet
13 Sep - 16 Sep	easyJet
26 Sep - 29 Sep	easyJet
08 Sep - 10 Sep	easyJet
24 Sep - 05 Oct	easyJet
24 Sep - 06 Oct	Air Serbia	direct
13 Sep - 01 Oct	easyJet
24 Sep - 05 Oct	Air Serbia	direct
13 Sep - 01 Oct	Air Serbia	direct

Also check the deals for one-way flights from Paris 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 Paris to Belgrade in September from 142€

Return flights