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

Return flights

15 Sep - 26 Sep	Lufthansa
19 Sep - 28 Sep	Lufthansa
14 Sep - 26 Sep	Lufthansa
01 Sep - 07 Sep	Turkish Airlines
05 Sep - 10 Sep	Ryanair
15 Sep - 27 Sep	Turkish Airlines
15 Sep - 20 Sep	Turkish Airlines
19 Sep - 27 Sep	Turkish Airlines
06 Sep - 13 Sep	Turkish Airlines
12 Sep - 03 Oct	Turkish Airlines
27 Sep - 04 Oct	Turkish Airlines

Also check the deals for one-way flights from Tallinn 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 Tallinn to Tbilisi in September from 244€

Return flights