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

Return flights

07 Sep - 11 Sep	Ryanair
09 Sep - 18 Sep	Ryanair
07 Sep - 10 Sep	Ryanair
13 Sep - 26 Sep	Ryanair
07 Sep - 12 Sep	Ryanair
08 Sep - 18 Sep	Ryanair
02 Sep - 04 Sep	Ryanair
02 Sep - 05 Sep	Ryanair
07 Sep - 17 Sep	Ryanair
09 Sep - 19 Sep	Ryanair
28 Sep - 02 Oct	Ryanair
28 Sep - 02 Oct	Eurowings	direct
29 Sep - 03 Oct	Ryanair
30 Sep - 07 Oct	Ryanair
28 Sep - 03 Oct	Ryanair
27 Sep - 01 Oct	Ryanair
28 Sep - 03 Oct	Eurowings	direct
25 Sep - 01 Oct	Eurowings	direct
29 Sep - 03 Oct	Eurowings	direct
27 Sep - 01 Oct	Eurowings	direct

Also check the deals for one-way flights from Cologne to Nice 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 Nice in September from $138

Return flights