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

Return flights

10 Sep - 17 Sep	Turkish Airlines
04 Sep - 15 Sep	Turkish Airlines
30 Sep - 05 Oct	Turkish Airlines
20 Sep - 24 Sep	IndiGo
04 Sep - 15 Oct	IndiGo
04 Sep - 12 Oct	IndiGo
26 Sep - 13 Oct	Turkish Airlines

Also check the deals for one-way flights from Sydney 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 Sydney to Tbilisi in September from $1287

Return flights