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

Return flights

23 Sep - 29 Sep	easyJet
23 Sep - 30 Sep	easyJet
20 Sep - 22 Sep	easyJet
22 Sep - 26 Sep	easyJet
11 Sep - 10 Oct	easyJet
11 Sep - 11 Oct	easyJet
26 Sep - 29 Sep	easyJet
20 Sep - 21 Sep	easyJet
18 Sep - 25 Sep	easyJet
29 Sep - 01 Oct	easyJet
27 Sep - 30 Sep	Air Serbia	direct
22 Sep - 26 Sep	Air Serbia	direct
02 Sep - 05 Sep	easyJet
29 Sep - 01 Oct	Air Serbia	direct
29 Sep - 04 Oct	Air Serbia	direct
13 Sep - 01 Oct	Air Serbia	direct
11 Sep - 10 Oct	Air Serbia	direct
11 Sep - 11 Oct	Air Serbia	direct
20 Sep - 02 Oct	Air Serbia	direct
08 Sep - 02 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 144€

Return flights