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

Return flights

31 Aug - 07 Sep	Ryanair
21 Aug - 28 Aug	TAP
20 Aug - 26 Aug	Pegasus Airlines
19 Aug - 26 Aug	Ryanair
28 Aug - 31 Aug	Pegasus Airlines
17 Aug - 25 Aug	Wizz Air
07 Aug - 05 Sep	Ryanair
05 Aug - 07 Sep	Ryanair
27 Aug - 03 Sep	Turkish Airlines
01 Aug - 08 Aug	TAP
05 Aug - 16 Aug	Ryanair
10 Aug - 16 Aug	Ryanair
11 Aug - 27 Aug	Fly One
18 Aug - 27 Aug	Fly One
25 Aug - 13 Sep	Fly One
25 Aug - 03 Sep	Fly One
11 Aug - 01 Sep	Fly One
18 Aug - 01 Sep	Fly One
18 Aug - 03 Sep	Fly One

Also check the deals for one-way flights from Lisbon to Tbilisi 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 Lisbon to Tbilisi in August from 343€

Return flights