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

Return flights

11 Sep - 26 Sep	LOT
29 Sep - 14 Oct	SWISS
10 Sep - 15 Sep	Lufthansa
09 Sep - 16 Oct	Lufthansa
05 Sep - 18 Sep	LOT
02 Sep - 16 Sep	Lufthansa
09 Sep - 16 Sep	Lufthansa
09 Sep - 30 Sep	Lufthansa
10 Sep - 20 Sep	Lufthansa
11 Sep - 30 Sep	LOT
10 Sep - 14 Sep	LOT
11 Sep - 14 Sep	LOT
08 Sep - 04 Oct	Scandinavian Airlines
06 Sep - 06 Oct	Lufthansa
15 Sep - 15 Oct	Turkish Airlines
11 Sep - 04 Oct	Lufthansa
20 Sep - 19 Oct	TAP
20 Sep - 12 Oct	LOT
20 Sep - 04 Oct	TAP
17 Sep - 01 Oct	Scandinavian Airlines

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 589€

Return flights