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

Return flights

14 Jan - 21 Jan	Air Serbia	direct
31 Jan - 07 Feb	Aegean Airlines
29 Jan - 01 Feb	Air Serbia
24 Jan - 29 Jan	Lufthansa
28 Jan - 31 Jan	Lufthansa
19 Jan - 22 Jan	Lufthansa
20 Jan - 23 Jan	Lufthansa
16 Jan - 19 Jan	Lufthansa
30 Jan - 02 Feb	Lufthansa
09 Jan - 20 Jan	Lufthansa
25 Jan - 29 Jan	Lufthansa
01 Jan - 05 Jan	Lufthansa
03 Jan - 09 Jan	Lufthansa
31 Jan - 07 Feb	Air Serbia	direct
28 Jan - 01 Feb	Air Serbia	direct
29 Jan - 02 Feb	Air Serbia	direct
30 Jan - 02 Feb	Air Serbia	direct

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 170€

Return flights