Cheapest return flights from Chicago to Istanbul in May from $1019

Best time to book flights for Chicago (MDW) to Istanbul (IST) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to Istanbul (IST) in May 2025 (see full year).

Return flights

31 May - 10 Jun Delta
31 May - 07 Jun Delta
12 May - 09 Jun Delta
07 May - 15 May Delta
21 May - 25 May Delta
08 May - 15 May Delta
09 May - 25 May Delta
08 May - 25 May Delta
18 May - 29 May Frontier Airlines
10 May - 17 May Delta
25 May - 31 May Air France
10 May - 15 May Delta
22 May - 28 May Frontier Airlines
16 May - 04 Jun Air France
26 May - 01 Jun KLM
18 May - 15 Jun Delta
22 May - 04 Jun Delta
21 May - 08 Jun Air France

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

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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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