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

Return flights

20 Jan - 24 Jan	Vueling Airlines
16 Jan - 22 Jan	Vueling Airlines
17 Jan - 22 Jan	Vueling Airlines
20 Jan - 23 Jan	Vueling Airlines
26 Jan - 29 Jan	Air Serbia	direct
29 Jan - 05 Feb	Air Serbia	direct
28 Jan - 04 Feb	Air Serbia	direct
23 Jan - 24 Jan	Lufthansa
22 Jan - 29 Jan	Lufthansa
22 Jan - 26 Jan	Lufthansa
28 Jan - 09 Feb	Lufthansa
23 Jan - 26 Jan	Lufthansa
15 Jan - 19 Jan	KLM
30 Jan - 06 Feb	Lufthansa
22 Jan - 02 Feb	Lufthansa
30 Jan - 02 Feb	Lufthansa
27 Jan - 02 Feb	Lufthansa
31 Jan - 02 Feb	KLM
30 Jan - 08 Feb	KLM
12 Jan - 27 Feb	Vueling Airlines

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 161€

Return flights