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

Return flights

08 Sep - 08 Oct	SWISS
01 Sep - 18 Sep	SWISS
30 Sep - 08 Oct	Icelandair
02 Sep - 18 Sep	Air Canada
08 Sep - 06 Oct	Delta
23 Sep - 07 Oct	Scandinavian Airlines
01 Sep - 22 Sep	Lufthansa
01 Sep - 15 Sep	Air Canada
04 Sep - 25 Sep	Austrian Airlines
04 Sep - 18 Sep	Austrian Airlines
24 Sep - 07 Oct	Turkish Airlines
18 Sep - 02 Oct	Turkish Airlines
25 Sep - 09 Oct	Turkish Airlines
18 Sep - 01 Oct	Turkish Airlines
17 Sep - 15 Oct	Turkish Airlines
15 Sep - 20 Oct	Lufthansa

Also check the deals for one-way flights from Newark 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 Newark to Tbilisi in September from $652

Return flights