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

Return flights

26 Sep - 29 Sep	easyJet
13 Sep - 16 Sep	easyJet
11 Sep - 13 Sep	easyJet
15 Sep - 23 Sep	easyJet
19 Sep - 23 Sep	easyJet
16 Sep - 18 Sep	easyJet
23 Sep - 30 Sep	easyJet
22 Sep - 01 Oct	easyJet
26 Sep - 30 Sep	easyJet
03 Sep - 10 Sep	easyJet
20 Sep - 24 Sep	easyJet
27 Sep - 01 Oct	easyJet
27 Sep - 05 Oct	easyJet
09 Sep - 25 Oct	easyJet
28 Sep - 05 Oct	Lufthansa
27 Sep - 01 Oct	Air Serbia	direct
28 Sep - 05 Oct	Air Serbia	direct
22 Sep - 01 Oct	Air Serbia	direct
27 Sep - 05 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 134€

Return flights