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

Return flights

09 Sep - 16 Sep	Wizz Air
24 Sep - 28 Sep	Ryanair
21 Sep - 30 Sep	Wizz Air
23 Sep - 30 Sep	Ryanair
04 Sep - 28 Sep	Ryanair
30 Sep - 14 Oct	Ryanair
28 Sep - 30 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
30 Sep - 05 Oct	Ryanair
22 Sep - 25 Sep	Ryanair
28 Sep - 05 Oct	Ryanair
28 Sep - 07 Oct	Ryanair
21 Sep - 25 Sep	Wizz Air
26 Sep - 30 Sep	Ryanair
25 Sep - 05 Oct	Ryanair
30 Sep - 07 Oct	Ryanair	direct
23 Sep - 07 Oct	Ryanair	direct
30 Sep - 12 Oct	Ryanair	direct
23 Sep - 12 Oct	Ryanair	direct
30 Sep - 05 Oct	Ryanair	direct

Also check the deals for one-way flights from Copenhagen to Madrid 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 Copenhagen to Madrid in September from 108€

Return flights