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

Return flights

14 Oct - 19 Oct	Ryanair
14 Oct - 18 Oct	Ryanair
02 Oct - 07 Oct	Ryanair
01 Oct - 06 Oct	Lufthansa
02 Oct - 06 Oct	Lufthansa
07 Oct - 22 Oct	Ryanair
15 Oct - 25 Oct	Lufthansa
24 Oct - 25 Oct	Pegasus Airlines
03 Oct - 10 Oct	AJet
23 Oct - 26 Oct	AJet

Also check the deals for one-way flights from Cologne to Belgrade in October.

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 Cologne to Belgrade in October from 119€

Return flights