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

Return flights

29 Dec - 16 Jan	Lufthansa
05 Dec - 10 Dec	Lufthansa
11 Dec - 14 Dec	Lufthansa
14 Dec - 24 Dec	Lufthansa
24 Dec - 11 Jan	Lufthansa
17 Dec - 09 Jan	Lufthansa
23 Dec - 11 Jan	Lufthansa
13 Dec - 28 Dec	SWISS
27 Dec - 02 Jan	SWISS
23 Dec - 06 Jan	Lufthansa
13 Dec - 02 Jan	SWISS
18 Dec - 02 Jan	Lufthansa
22 Dec - 01 Jan	Lufthansa
11 Dec - 05 Jan	Lufthansa
17 Dec - 27 Dec	Lufthansa
18 Dec - 28 Dec	Lufthansa
15 Dec - 27 Dec	Lufthansa
18 Dec - 27 Dec	Lufthansa
20 Dec - 26 Dec	SWISS

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 517€

Return flights