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

Return flights

16 Sep - 23 Sep	Lufthansa
10 Sep - 17 Sep	KLM
03 Sep - 12 Sep	Ryanair
16 Sep - 20 Sep	Lufthansa
19 Sep - 26 Sep	KLM
16 Sep - 26 Sep	KLM
27 Sep - 11 Oct	KLM
27 Sep - 04 Oct	KLM
18 Sep - 30 Sep	Lufthansa
25 Sep - 30 Sep	Ryanair
02 Sep - 12 Sep	SWISS
06 Sep - 17 Sep	SWISS
25 Sep - 05 Oct	Ryanair
26 Sep - 02 Oct	Ryanair
25 Sep - 06 Oct	Ryanair
28 Sep - 05 Oct	Ryanair
20 Sep - 04 Oct	Fly One
18 Sep - 04 Oct	Fly One
21 Sep - 04 Oct	Fly One
20 Sep - 11 Oct	Fly One

Also check the deals for one-way flights from Dublin 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.

Book a cheap hotel in Tbilisi

Cheap car rent in Tbilisi

Cheapest return flights from Dublin to Tbilisi in September from $306

Return flights