AirHint found the following cheapest return flights from London (LCY) to Belgrade (BEG) in January 2026 (see full year).

Return flights

26 Jan - 30 Jan	KLM
12 Jan - 19 Jan	KLM
09 Jan - 30 Jan	KLM
31 Jan - 02 Feb	KLM
25 Jan - 28 Jan	KLM
08 Jan - 16 Jan	SWISS
09 Jan - 16 Jan	SWISS
24 Jan - 25 Jan	SWISS
08 Jan - 14 Jan	SWISS
23 Jan - 27 Jan	SWISS
09 Jan - 14 Jan	SWISS
30 Jan - 02 Feb	SWISS
29 Jan - 01 Feb	SWISS
30 Jan - 01 Feb	SWISS
31 Jan - 01 Feb	SWISS
22 Jan - 15 Feb	SWISS
01 Jan - 01 Feb	SWISS
12 Jan - 27 Feb	Lufthansa

Also check the deals for one-way flights from London to Belgrade in January.

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 Belgrade in January from $243

Return flights