Cheapest return flights from Detroit to Istanbul in April from 657€

AirHint found the following cheapest return flights from Detroit (DTW) to Istanbul (IST) in April 2026 (see full year).

Return flights

18 Apr - 26 Apr Spirit Airlines
14 Apr - 29 Apr Spirit Airlines
24 Apr - 02 May Frontier Airlines
25 Apr - 03 May Spirit Airlines
01 Apr - 29 Apr Frontier Airlines
11 Apr - 25 Apr Spirit Airlines
01 Apr - 25 Apr Spirit Airlines
30 Apr - 06 May Delta
24 Apr - 02 May Turkish Airlines direct
25 Apr - 03 May Turkish Airlines direct
30 Apr - 06 May Turkish Airlines direct
01 Apr - 29 Apr Turkish Airlines direct
18 Apr - 26 Apr Turkish Airlines direct
01 Apr - 25 Apr Turkish Airlines direct

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

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