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

Return flights

17 Aug - 06 Sep	Ryanair
14 Aug - 02 Sep	Air Serbia	direct
03 Aug - 14 Aug	Ryanair
03 Aug - 11 Aug	Ryanair
10 Aug - 02 Sep	Ryanair
26 Aug - 04 Sep	Lufthansa	direct
30 Aug - 03 Sep	Lufthansa	direct
30 Aug - 08 Sep	Air Serbia
17 Aug - 24 Aug	Ryanair
10 Aug - 29 Aug	Ryanair
29 Aug - 12 Sep	Air Serbia	direct
15 Aug - 06 Sep	Wizz Air Malta
09 Aug - 14 Aug	Air Serbia
23 Aug - 03 Sep	Air Serbia
30 Aug - 14 Sep	Lufthansa	direct
06 Aug - 14 Aug	Wizz Air Malta
06 Aug - 10 Aug	Wizz Air Malta
19 Aug - 21 Aug	Air Serbia
19 Aug - 26 Aug	Air Serbia
24 Aug - 29 Aug	Air Serbia

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to Belgrade in August from 147€

Return flights