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

Return flights

25 Sep - 28 Sep	Ryanair	direct
18 Sep - 21 Sep	Ryanair	direct
18 Sep - 28 Sep	Ryanair	direct
07 Sep - 21 Sep	Ryanair	direct
18 Sep - 25 Sep	Ryanair	direct
21 Sep - 28 Sep	Ryanair	direct
07 Sep - 25 Sep	Ryanair	direct
21 Sep - 25 Sep	Ryanair	direct
07 Sep - 18 Sep	Ryanair	direct
07 Sep - 14 Sep	Ryanair	direct
26 Sep - 04 Oct	Ryanair

Also check the deals for one-way flights from Cologne to Connaught in September.

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 Cologne to Connaught in September from $47

Return flights