Cheapest return flights from London to Belgrade in September from $167

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

Return flights

20 Sep - 19 Oct Air Serbia direct
20 Sep - 18 Oct Air Serbia direct
30 Sep - 04 Oct Air Serbia direct
27 Sep - 12 Oct Air Serbia direct
10 Sep - 10 Oct Air Serbia direct
13 Sep - 17 Sep Air Serbia direct
14 Sep - 17 Sep Air Serbia direct
17 Sep - 18 Sep Air Serbia direct
21 Sep - 25 Sep Air Serbia direct
21 Sep - 24 Sep Air Serbia direct
20 Sep - 23 Sep Air Serbia direct
17 Sep - 08 Oct Air Serbia direct
29 Sep - 01 Oct Air Serbia direct
20 Sep - 05 Oct Air Serbia direct
29 Sep - 02 Oct Air Serbia direct
29 Sep - 05 Oct Air Serbia direct
29 Sep - 30 Sep Air Serbia direct
27 Sep - 30 Sep Air Serbia direct
28 Sep - 30 Sep Air Serbia direct
02 Sep - 24 Sep Lufthansa

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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