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

Return flights

09 Dec - 13 Dec	easyJet
10 Dec - 17 Dec	easyJet
04 Dec - 11 Dec	Lufthansa
04 Dec - 12 Dec	Lufthansa
06 Dec - 09 Dec	TAP
07 Dec - 14 Dec	Ryanair
16 Dec - 16 Jan	SWISS
04 Dec - 13 Dec	Lufthansa
29 Dec - 25 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
10 Dec - 27 Dec	Fly One
10 Dec - 24 Dec	Fly One
17 Dec - 27 Dec	Fly One
17 Dec - 03 Jan	Fly One

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

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 December from 173€

Return flights