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

Return flights

31 Jul - 04 Aug	Ryanair
01 Jul - 03 Jul	Air Serbia
01 Jul - 02 Jul	Air Serbia
20 Jul - 24 Jul	Ryanair
20 Jul - 31 Jul	Ryanair
20 Jul - 28 Jul	Ryanair
05 Jul - 15 Jul	easyJet
05 Jul - 12 Jul	easyJet
20 Jul - 22 Jul	Ryanair
05 Jul - 08 Jul	easyJet
05 Jul - 09 Jul	easyJet
27 Jul - 13 Aug	Wizz Air
18 Jul - 01 Aug	Lufthansa	direct
26 Jul - 01 Aug	Lufthansa	direct
21 Jul - 01 Aug	Lufthansa	direct
22 Jul - 05 Aug	Lufthansa	direct
14 Jul - 21 Aug	Lufthansa	direct
30 Jul - 06 Aug	Lufthansa	direct
05 Jul - 03 Aug	easyJet
05 Jul - 08 Aug	easyJet

Also check the deals for one-way flights from Frankfurt to Belgrade in July.

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 July from $197

Return flights