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

Return flights

03 Sep - 10 Sep	easyJet	direct
07 Sep - 10 Sep	easyJet	direct
14 Sep - 21 Sep	easyJet	direct
05 Sep - 07 Sep	Air Serbia	direct
05 Sep - 08 Sep	Air Serbia	direct
04 Sep - 07 Sep	easyJet
08 Sep - 15 Sep	Air Serbia	direct
08 Sep - 12 Sep	Air Serbia	direct
18 Sep - 22 Sep	Vueling Airlines
30 Sep - 05 Oct	Vueling Airlines
19 Sep - 21 Sep	easyJet

Also check the deals for one-way flights from Geneva 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 Geneva to Belgrade in September from 67€

Return flights