Cheapest return flights from Chicago to Istanbul in May from $699

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

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

Return flights

31 May - 10 Jun Spirit Airlines
28 May - 11 Jun Spirit Airlines
31 May - 08 Jun Spirit Airlines
26 May - 05 Jun Icelandair
14 May - 29 May SWISS
28 May - 02 Jun Spirit Airlines
18 May - 24 May Air Canada
18 May - 25 May Air Canada
18 May - 28 May Icelandair
19 May - 04 Jun Air France
26 May - 29 May Icelandair
18 May - 03 Jun Lufthansa
20 May - 30 May Air Canada
14 May - 31 May Air Canada
16 May - 23 May Etihad Airways
15 May - 12 Jun Air Canada
17 May - 24 May Frontier Airlines
21 May - 25 May Air Canada
27 May - 14 Jun Air Canada
27 May - 26 Jun Icelandair

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

Skyscanner

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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