Cheapest return flights from Chicago to Istanbul in April from 670€

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

Return flights

14 Apr - 28 Apr Lufthansa
28 Apr - 09 May Lufthansa
11 Apr - 25 Apr Lufthansa
11 Apr - 25 Apr Turkish Airlines direct
14 Apr - 28 Apr Turkish Airlines direct
28 Apr - 09 May Turkish Airlines direct

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

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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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