Cheapest return flights from Cologne to Nis in September from $198

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

Return flights

09 Sep - 12 Sep Ryanair
09 Sep - 16 Sep Air Serbia direct
13 Sep - 27 Sep Eurowings
13 Sep - 20 Sep Eurowings
06 Sep - 27 Sep Eurowings
13 Sep - 20 Sep Air Serbia direct
09 Sep - 13 Sep Air Serbia direct
02 Sep - 06 Sep Air Serbia direct
19 Sep - 26 Sep Ryanair
13 Sep - 21 Sep Eurowings

Also check the deals for one-way flights from Cologne to Nis 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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