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

Return flights

21 Sep - 26 Sep	Air France
30 Sep - 04 Oct	Air France
23 Sep - 26 Sep	Air France
22 Sep - 25 Sep	easyJet
24 Sep - 20 Oct	AJet
26 Sep - 03 Oct	AJet
26 Sep - 29 Sep	AJet
27 Sep - 02 Oct	SunExpress
25 Sep - 29 Sep	Pegasus Airlines
24 Sep - 28 Sep	AJet
23 Sep - 28 Sep	AJet
28 Sep - 05 Oct	AJet
21 Sep - 30 Sep	Pegasus Airlines
25 Sep - 28 Sep	Pegasus Airlines
29 Sep - 05 Oct	AJet
20 Sep - 27 Sep	Pegasus Airlines
29 Sep - 13 Oct	Fly One
29 Sep - 18 Oct	Fly One
24 Sep - 13 Oct	Fly One

Also check the deals for one-way flights from Tbilisi to Lisbon 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 Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Tbilisi to Lisbon in September from $387

Return flights