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

Return flights

04 Sep - 07 Oct	Aegean Airlines
24 Sep - 27 Sep	AJet
23 Sep - 27 Sep	AJet
23 Sep - 26 Sep	AJet
24 Sep - 28 Sep	AJet
30 Sep - 07 Oct	SunExpress	direct
09 Sep - 27 Sep	SunExpress	direct
23 Sep - 07 Oct	SunExpress	direct
09 Sep - 23 Sep	SunExpress	direct
22 Sep - 27 Sep	AJet
30 Sep - 18 Oct	SunExpress	direct
17 Sep - 20 Sep	AJet
16 Sep - 27 Sep	SunExpress	direct
23 Sep - 27 Sep	SunExpress	direct
27 Sep - 07 Oct	SunExpress	direct
30 Sep - 04 Oct	SunExpress	direct
16 Sep - 04 Oct	SunExpress	direct
23 Sep - 04 Oct	SunExpress	direct
20 Sep - 07 Oct	SunExpress	direct
27 Sep - 04 Oct	SunExpress	direct

Also check the deals for one-way flights from Izmir 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 Izmir to Copenhagen in September from 155€

Return flights