$674 Cheap Turkish Airlines flights Chicago (ORD) to Istanbul (IST)

You’ll discover cheap return Turkish Airlines flights from $885 from ORD to IST by sorting your results from “Price (lowest to highest)” on Expedia. Or look for options from $674 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines flights from ORD to IST are generally cheaper in the low season and outside of public holidays. Traveler demand — and fares — are higher during busy periods like those.

Snagging the best Turkish Airlines deals from ORD to IST often comes down to booking at the right moment. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your fare on a Sunday rather than a Friday, which is often the most expensive day to book.* It’s a good idea to start searching for flights about one month before you plan to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

To see if there’s a direct route from ORD to IST with Turkish Airlines or another carrier, check the “Nonstop” filter when searching for tickets.

Sort your results by “Morning” and “Early Morning” to see the earliest departures from ORD to IST. Taking off early means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Depending on the ticket type you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after it’s confirmed. To find tickets with more flexibility, select our “Changes included” or “No cancel fee” filter when you search for flights. For more information on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”