Cheapest return flights from Cologne to Belgrade in September from 121€

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

Return flights

24 Sep - 30 Sep Ryanair
24 Sep - 01 Oct Ryanair
26 Sep - 30 Sep Ryanair
16 Sep - 17 Sep Ryanair
25 Sep - 01 Oct Ryanair
19 Sep - 23 Sep Ryanair
22 Sep - 28 Sep Ryanair
24 Sep - 04 Oct Ryanair
20 Sep - 27 Sep Ryanair
25 Sep - 26 Sep Pegasus Airlines
17 Sep - 20 Sep Ryanair
28 Sep - 06 Oct Lufthansa
26 Sep - 02 Oct Austrian Airlines
25 Sep - 03 Oct Pegasus Airlines
28 Sep - 05 Oct AJet

Also check the deals for one-way flights from Cologne 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.

Book a cheap hotel in Belgrade

Cheap car rent in Belgrade

Feel free to contact us with any feedback or request another flight research.