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

Return flights

30 Sep - 01 Oct	easyJet
30 Sep - 25 Oct	easyJet
29 Sep - 01 Oct	easyJet
30 Sep - 26 Oct	easyJet
30 Sep - 07 Oct	easyJet
26 Sep - 29 Sep	easyJet
19 Sep - 30 Sep	easyJet
27 Sep - 12 Oct	easyJet
23 Sep - 14 Oct	easyJet
29 Sep - 04 Oct	Air Serbia
29 Sep - 06 Oct	easyJet
19 Sep - 01 Oct	easyJet
17 Sep - 24 Sep	easyJet
24 Sep - 25 Sep	easyJet
25 Sep - 30 Sep	Air France
18 Sep - 23 Sep	easyJet
17 Sep - 22 Sep	easyJet
23 Sep - 25 Sep	easyJet
27 Sep - 27 Sep	easyJet
26 Sep - 30 Sep	easyJet

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 140€

Return flights