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

Return flights

09 Dec - 16 Dec	Turkish Airlines
29 Dec - 02 Jan	LOT
02 Dec - 05 Dec	LOT
30 Dec - 02 Jan	LOT
03 Dec - 09 Dec	easyJet
14 Dec - 16 Dec	Pegasus Airlines
03 Dec - 06 Dec	easyJet
04 Dec - 07 Dec	Pegasus Airlines
17 Dec - 20 Dec	easyJet
06 Dec - 13 Dec	easyJet
15 Dec - 16 Dec	Pegasus Airlines
28 Dec - 01 Jan	LOT
03 Dec - 09 Dec	Air Serbia	direct
28 Dec - 01 Jan	Air Serbia	direct
31 Dec - 03 Jan	Air Serbia	direct
27 Dec - 02 Jan	AJet

Also check the deals for one-way flights from Tbilisi to Belgrade in December.

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 Tbilisi to Belgrade in December from $231

Return flights