AirHint found the following cheapest return flights from Rome (CIA) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

17 Sep - 23 Sep	Ryanair
17 Sep - 21 Sep	Ryanair
19 Sep - 21 Sep	Ryanair
17 Sep - 20 Sep	Ryanair
09 Sep - 16 Sep	Ryanair
02 Sep - 07 Sep	Ryanair
02 Sep - 05 Sep	Ryanair
05 Sep - 07 Sep	Ryanair
04 Sep - 07 Sep	Wizz Air Malta
13 Sep - 17 Sep	Ryanair
27 Sep - 04 Oct	Ryanair
30 Sep - 05 Oct	Ryanair
29 Sep - 03 Oct	Ryanair

Also check the deals for one-way flights from Rome to Copenhagen 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 Rome to Copenhagen in September from 130€

Return flights