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

Return flights

12 Aug - 18 Aug	Ryanair
31 Aug - 11 Sep	Ryanair
30 Aug - 14 Sep	easyJet
18 Aug - 05 Sep	Ryanair
18 Aug - 02 Sep	Ryanair
29 Aug - 02 Sep	Ryanair
27 Aug - 03 Sep	Ryanair
17 Aug - 02 Sep	Ryanair
14 Aug - 02 Sep	Ryanair
03 Aug - 06 Aug	Ryanair
30 Aug - 06 Sep	Air Serbia
06 Aug - 03 Sep	Ryanair
12 Aug - 13 Aug	Ryanair
03 Aug - 13 Aug	Ryanair
03 Aug - 05 Aug	Ryanair
23 Aug - 29 Aug	easyJet
16 Aug - 18 Aug	Air Serbia
16 Aug - 19 Aug	Air Serbia
03 Aug - 15 Aug	Ryanair
06 Aug - 28 Aug	Ryanair

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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Cheapest return flights from Frankfurt to Belgrade in August from 144€

Return flights