Cheapest return flights from Istanbul to Copenhagen in September from $162

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

Return flights

19 Sep - 23 Sep Wizz Air UK
04 Sep - 09 Sep Pegasus Airlines direct
20 Sep - 23 Sep Turkish Airlines
18 Sep - 24 Sep Turkish Airlines
13 Sep - 18 Sep Pegasus Airlines direct
30 Sep - 04 Oct Pegasus Airlines direct
13 Sep - 20 Sep Pegasus Airlines direct
12 Sep - 15 Sep Wizz Air
04 Sep - 04 Sep Pegasus Airlines direct
24 Sep - 29 Sep Pegasus Airlines direct
04 Sep - 07 Sep Pegasus Airlines
23 Sep - 19 Oct Pegasus Airlines direct
26 Sep - 03 Oct Wizz Air UK
30 Sep - 07 Oct Pegasus Airlines
26 Sep - 03 Oct Pegasus Airlines direct
26 Sep - 02 Oct Wizz Air UK
26 Sep - 02 Oct Pegasus Airlines direct
30 Sep - 07 Oct Pegasus Airlines direct
28 Sep - 08 Oct AJet
28 Sep - 08 Oct Pegasus Airlines direct

Also check the deals for one-way flights from Istanbul to Copenhagen in September.

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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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