Cheapest return flights from Chicago to Istanbul in April from $576

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

Return flights

24 Apr - 11 May Scandinavian Airlines
25 Apr - 09 May Scandinavian Airlines
28 Apr - 12 May Etihad Airways
23 Apr - 30 Apr Etihad Airways
30 Apr - 08 May Scandinavian Airlines
02 Apr - 07 May LOT
07 Apr - 18 Apr KLM
25 Apr - 27 Apr LOT
23 Apr - 30 Apr Turkish Airlines direct
30 Apr - 08 May Turkish Airlines direct
07 Apr - 18 Apr Turkish Airlines direct
02 Apr - 07 May Turkish Airlines direct
25 Apr - 27 Apr Turkish Airlines direct
28 Apr - 12 May Turkish Airlines direct
24 Apr - 11 May Turkish Airlines direct
25 Apr - 09 May Turkish Airlines direct

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

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