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

Return flights

16 Sep - 26 Sep	easyJet
24 Sep - 30 Sep	Pegasus Airlines
29 Sep - 07 Oct	easyJet
27 Sep - 03 Oct	Pegasus Airlines
16 Sep - 20 Sep	Pegasus Airlines
29 Sep - 06 Oct	easyJet
23 Sep - 30 Sep	easyJet
17 Sep - 23 Sep	Pegasus Airlines
27 Sep - 02 Oct	Pegasus Airlines
30 Sep - 07 Oct	easyJet
30 Sep - 06 Oct	easyJet
30 Sep - 30 Sep	Pegasus Airlines
18 Sep - 23 Sep	Pegasus Airlines
29 Sep - 05 Oct	easyJet
13 Sep - 17 Sep	AJet
09 Sep - 16 Sep	AJet
23 Sep - 29 Sep	easyJet
26 Sep - 01 Oct	Pegasus Airlines
01 Sep - 31 Oct	LOT
29 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.

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Cheapest return flights from Tbilisi to Lisbon in September from $301

Return flights