AirHint found the following cheapest return flights from London (LCY) to Beirut (BEY) in December 2025 (see full year).

Return flights

26 Dec - 14 Jan	KLM
29 Dec - 21 Jan	Lufthansa
31 Dec - 15 Jan	Lufthansa
29 Dec - 26 Jan	Lufthansa
29 Dec - 18 Jan	Lufthansa
24 Dec - 15 Jan	Lufthansa
15 Dec - 19 Dec	SWISS
24 Dec - 14 Jan	Lufthansa
24 Dec - 26 Jan	Lufthansa
26 Dec - 18 Jan	Lufthansa
26 Dec - 15 Jan	Lufthansa
16 Dec - 19 Dec	SWISS
15 Dec - 22 Dec	SWISS
15 Dec - 21 Dec	SWISS
26 Dec - 29 Dec	Lufthansa
16 Dec - 31 Dec	SWISS
26 Dec - 30 Dec	Lufthansa
15 Dec - 30 Dec	SWISS
16 Dec - 30 Dec	SWISS
23 Dec - 28 Dec	KLM

Also check the deals for one-way flights from London to Beirut 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 Beirut in December from $649

Return flights