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

Return flights

31 Aug - 24 Sep	Lufthansa
29 Aug - 05 Sep	Lufthansa
29 Aug - 06 Sep	Lufthansa
31 Aug - 05 Sep	Lufthansa
30 Aug - 06 Sep	Lufthansa
31 Aug - 06 Sep	Lufthansa
30 Aug - 07 Sep	Lufthansa
25 Aug - 04 Sep	Lufthansa
26 Aug - 04 Sep	Lufthansa
31 Aug - 07 Sep	Lufthansa
20 Aug - 25 Aug	Eurowings
25 Aug - 28 Aug	Lufthansa
24 Aug - 27 Aug	Lufthansa
20 Aug - 23 Aug	Lufthansa
21 Aug - 27 Aug	Lufthansa
13 Aug - 20 Aug	Lufthansa
20 Aug - 27 Aug	Lufthansa
29 Aug - 30 Aug	Lufthansa
27 Aug - 31 Aug	Lufthansa
14 Aug - 19 Aug	Lufthansa

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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from London to Belgrade in August from 182€

Return flights