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

Return flights

26 Sep - 02 Oct	Pegasus Airlines
29 Sep - 05 Oct	Pegasus Airlines
18 Sep - 22 Sep	Wizz Air
25 Sep - 05 Oct	Wizz Air
29 Sep - 03 Oct	Pegasus Airlines
03 Sep - 28 Sep	Wizz Air
03 Sep - 14 Sep	Wizz Air
22 Sep - 28 Sep	Wizz Air
19 Sep - 28 Sep	Wizz Air
26 Sep - 01 Oct	Pegasus Airlines
14 Sep - 22 Sep	easyJet
19 Sep - 25 Sep	Wizz Air
15 Sep - 19 Sep	Air Serbia
25 Sep - 28 Sep	Wizz Air
21 Sep - 26 Sep	Pegasus Airlines

Also check the deals for one-way flights from Belgrade to Tbilisi 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 Belgrade to Tbilisi in September from 143€

Return flights