Cheapest return flights from Constanta to Istanbul in September from 161€

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

Return flights

07 Sep - 10 Sep Turkish Airlines direct
24 Sep - 28 Sep Turkish Airlines direct
14 Sep - 17 Sep Turkish Airlines direct
17 Sep - 24 Sep Turkish Airlines direct
21 Sep - 24 Sep Turkish Airlines direct
17 Sep - 21 Sep Turkish Airlines direct
10 Sep - 17 Sep Turkish Airlines direct
05 Sep - 07 Sep Turkish Airlines direct
28 Sep - 01 Oct Turkish Airlines direct
25 Sep - 28 Sep Wizz Air UK
19 Sep - 23 Sep Turkish Airlines

Also check the deals for one-way flights from Constanta to Istanbul 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 Istanbul

Cheap car rent in Istanbul

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