Cheapest return flights from Istanbul to Copenhagen in September from $106

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

Return flights

05 Sep - 12 Sep Pegasus Airlines direct
05 Sep - 08 Sep Pegasus Airlines direct
13 Sep - 22 Sep Pegasus Airlines direct
05 Sep - 10 Sep Pegasus Airlines direct
05 Sep - 13 Sep Pegasus Airlines direct
05 Sep - 09 Sep Pegasus Airlines direct
05 Sep - 11 Sep Pegasus Airlines direct
06 Sep - 08 Sep Pegasus Airlines direct
06 Sep - 13 Sep Pegasus Airlines direct
05 Sep - 07 Sep Pegasus Airlines direct
25 Sep - 04 Oct Pegasus Airlines direct
25 Sep - 02 Oct Pegasus Airlines direct
29 Sep - 02 Oct Pegasus Airlines direct
30 Sep - 04 Oct AJet
30 Sep - 02 Oct AJet
26 Sep - 01 Oct Pegasus Airlines
29 Sep - 05 Oct Pegasus Airlines direct
29 Sep - 14 Oct Pegasus Airlines
26 Sep - 01 Oct Pegasus Airlines direct
29 Sep - 03 Oct Pegasus Airlines

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

Skyscanner

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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Feel free to contact us with any feedback or request another flight research.