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

Return flights

26 Sep - 05 Oct	AJet
16 Sep - 21 Sep	Pegasus Airlines
08 Sep - 13 Sep	Fly One
08 Sep - 14 Sep	Aegean Airlines
08 Sep - 12 Sep	Aegean Airlines
28 Sep - 15 Oct	SKY express
30 Sep - 15 Oct	SKY express
16 Sep - 27 Sep	SKY express
18 Sep - 27 Sep	SKY express
09 Sep - 27 Sep	SKY express
20 Sep - 27 Sep	SKY express
09 Sep - 10 Sep	SKY express
06 Sep - 10 Sep	SKY express
30 Sep - 20 Oct	SKY express
28 Sep - 18 Oct	SKY express
30 Sep - 18 Oct	SKY express
27 Sep - 18 Oct	FlyOne Armenia

Also check the deals for one-way flights from Tbilisi to Brussels 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 Tbilisi to Brussels in September from $239

Return flights