Cheapest return flights from Detroit to Istanbul in September from 634€

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

Return flights

25 Sep - 08 Oct Spirit Airlines
22 Sep - 02 Oct Spirit Airlines
22 Sep - 29 Sep Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
23 Sep - 29 Sep Frontier Airlines
24 Sep - 04 Oct Spirit Airlines
23 Sep - 01 Oct Spirit Airlines
21 Sep - 11 Oct Royal Jordanian
19 Sep - 22 Sep Royal Jordanian
21 Sep - 11 Oct Turkish Airlines direct
25 Sep - 08 Oct Turkish Airlines direct
25 Sep - 05 Oct Turkish Airlines direct
22 Sep - 02 Oct Turkish Airlines direct
22 Sep - 29 Sep Turkish Airlines direct
23 Sep - 29 Sep Turkish Airlines direct
19 Sep - 22 Sep Turkish Airlines direct

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