Cheapest return flights from Chicago to Istanbul in May from $1080

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

06 May - 21 May Delta
27 May - 07 Jun Delta
28 May - 18 Jun Delta
05 May - 12 May Delta
07 May - 17 May Delta
25 May - 16 Jun Delta
08 May - 17 May Delta
10 May - 17 May Delta
01 May - 31 May Frontier Airlines
01 May - 24 May Delta
01 May - 12 May Delta
01 May - 08 May Frontier Airlines
03 May - 07 May KLM
21 May - 03 Jun Delta
18 May - 15 Jun Delta
31 May - 07 Jun Delta
25 May - 14 Jun Frontier Airlines

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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