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

Return flights

30 Sep - 08 Oct	easyJet
17 Sep - 23 Sep	Aegean Airlines
30 Sep - 03 Oct	easyJet
17 Sep - 24 Sep	Aegean Airlines
16 Sep - 23 Sep	easyJet
19 Sep - 26 Sep	Aegean Airlines
30 Sep - 07 Oct	easyJet
16 Sep - 24 Sep	easyJet
12 Sep - 16 Sep	AJet
19 Sep - 27 Sep	Aegean Airlines
30 Sep - 06 Oct	easyJet
22 Sep - 27 Sep	AJet
22 Sep - 29 Sep	Pegasus Airlines
11 Sep - 23 Sep	easyJet
27 Sep - 03 Oct	easyJet
24 Sep - 05 Oct	Aegean Airlines
29 Sep - 04 Oct	KLM
25 Sep - 03 Oct	Pegasus Airlines
26 Sep - 03 Oct	Pegasus Airlines
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 229€

Return flights