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

Return flights

05 Dec - 07 Dec	Brussels Airlines
04 Dec - 08 Dec	Scandinavian Airlines
06 Dec - 08 Dec	British Airways
27 Dec - 31 Dec	Lufthansa
13 Dec - 20 Dec	SWISS
10 Dec - 17 Dec	KLM
09 Dec - 16 Dec	Turkish Airlines
01 Dec - 10 Dec	British Airways
26 Dec - 04 Jan	LOT
27 Dec - 03 Jan	Lufthansa
27 Dec - 04 Jan	KLM
06 Dec - 09 Dec	British Airways
24 Dec - 31 Dec	KLM
16 Dec - 17 Jan	KLM
30 Dec - 06 Jan	SWISS
23 Dec - 16 Jan	KLM
25 Dec - 04 Jan	Turkish Airlines
20 Dec - 03 Jan	KLM
27 Dec - 06 Jan	Austrian Airlines
26 Dec - 01 Jan	Austrian Airlines

Also check the deals for one-way flights from London 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 London to Tbilisi in December from 258€

Return flights