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

Return flights

13 Aug - 20 Aug	Pegasus Airlines
29 Aug - 04 Sep	Aegean Airlines
04 Aug - 18 Aug	Pegasus Airlines
01 Aug - 22 Aug	Pegasus Airlines
01 Aug - 06 Aug	Pegasus Airlines
14 Aug - 22 Aug	AJet
20 Aug - 26 Aug	AJet
07 Aug - 05 Sep	Pegasus Airlines
01 Aug - 06 Sep	Pegasus Airlines
20 Aug - 25 Aug	AJet
14 Aug - 18 Aug	AJet
13 Aug - 23 Aug	AJet
19 Aug - 27 Aug	AJet
24 Aug - 02 Sep	Aegean Airlines
30 Aug - 05 Sep	AJet
28 Aug - 01 Sep	FlyOne Armenia
30 Aug - 06 Sep	AJet
31 Aug - 06 Sep	AJet
27 Aug - 04 Sep	AJet
28 Aug - 03 Sep	Pegasus Airlines

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

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 August from $396

Return flights