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

Return flights

27 Jan - 29 Jan	Air Serbia	direct
18 Jan - 23 Jan	Air Serbia	direct
25 Jan - 04 Feb	Air Serbia	direct
24 Jan - 25 Jan	Air Serbia	direct
02 Jan - 06 Jan	Lufthansa
08 Jan - 10 Jan	Lufthansa
07 Jan - 11 Jan	Lufthansa
16 Jan - 18 Jan	Lufthansa
08 Jan - 12 Jan	Lufthansa
15 Jan - 18 Jan	Lufthansa
30 Jan - 02 Feb	Lufthansa
05 Jan - 09 Jan	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 $194

Return flights