Cheapest return flights from London to Belgrade in September from 146€

AirHint found the following cheapest return flights from London (LHR) to Belgrade (BEG) in September 2025 (see full year).

Return flights

29 Sep - 04 Oct Air Serbia direct
20 Sep - 23 Sep Air Serbia direct
04 Sep - 09 Sep Vueling Airlines
04 Sep - 08 Sep Vueling Airlines
10 Sep - 24 Sep Lufthansa
02 Sep - 20 Sep Lufthansa
01 Sep - 30 Sep Lufthansa
10 Sep - 30 Sep Lufthansa
14 Sep - 18 Sep Lufthansa
13 Sep - 18 Sep Lufthansa
02 Sep - 09 Sep Lufthansa
17 Sep - 08 Oct Air Serbia direct
27 Sep - 05 Oct Air Serbia direct
16 Sep - 02 Oct Lufthansa
29 Sep - 06 Oct Lufthansa
30 Sep - 05 Oct Lufthansa
30 Sep - 05 Oct Air Serbia direct
26 Sep - 01 Oct Lufthansa
25 Sep - 02 Oct KLM
16 Sep - 02 Oct Air Serbia direct

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

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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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