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

Return flights

27 Dec - 23 Jan	British Airways	direct
27 Dec - 29 Dec	British Airways	direct
30 Dec - 09 Jan	SWISS
31 Dec - 07 Jan	KLM
31 Dec - 10 Jan	KLM
31 Dec - 01 Jan	Eurowings
28 Dec - 24 Jan	Scandinavian Airlines
28 Dec - 31 Dec	British Airways
30 Dec - 13 Jan	LOT
30 Dec - 02 Jan	SWISS
31 Dec - 09 Jan	LOT
28 Dec - 01 Jan	Lufthansa
27 Dec - 31 Dec	British Airways	direct
27 Dec - 30 Dec	Eurowings
28 Dec - 30 Dec	LOT
28 Dec - 31 Dec	British Airways	direct
28 Dec - 29 Dec	Turkish Airlines
27 Dec - 27 Dec	KLM
28 Dec - 28 Dec	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 375€

Return flights