Cheapest return flights from Frankfurt to Belgrade in September from $138

Best time to book flights for Frankfurt (FRA) to Belgrade (BEG) flights at AirHint

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

Return flights

27 Sep - 29 Sep Air Serbia
22 Sep - 28 Sep Lufthansa direct
22 Sep - 27 Sep Lufthansa direct
26 Sep - 29 Sep Lufthansa direct
12 Sep - 15 Sep Lufthansa direct
27 Sep - 29 Sep Lufthansa direct
11 Sep - 14 Sep Lufthansa direct
26 Sep - 28 Sep Lufthansa direct
08 Sep - 18 Sep Lufthansa direct
19 Sep - 21 Sep Austrian Airlines

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

Skyscanner

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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