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

Return flights

26 Aug - 08 Sep	Lufthansa
27 Aug - 07 Sep	Lufthansa
26 Aug - 09 Sep	Lufthansa
21 Aug - 01 Sep	Lufthansa
04 Aug - 07 Aug	Lufthansa
26 Aug - 07 Sep	Lufthansa
28 Aug - 07 Sep	Lufthansa
06 Aug - 11 Aug	Lufthansa
29 Aug - 07 Sep	Lufthansa
04 Aug - 20 Aug	Lufthansa
13 Aug - 20 Aug	Lufthansa
13 Aug - 26 Aug	Lufthansa
15 Aug - 17 Aug	Lufthansa
05 Aug - 27 Aug	Lufthansa
08 Aug - 26 Aug	Lufthansa
15 Aug - 16 Aug	Lufthansa
07 Aug - 09 Aug	Lufthansa
26 Aug - 08 Sep	Air Serbia	direct
21 Aug - 01 Sep	Air Serbia	direct
29 Aug - 07 Sep	Air Serbia	direct

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

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 August from 182€

Return flights