Cheap Flights Chicago to Istanbul (ORD-IST)

Based on fares offered within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between ORD and IST start from . Book today to score the best price for your journey. Prices and availability are subject to change. Additional terms apply.

Every air carrier has different terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.

To see what travel restrictions and quarantine requirements are in place for different citizens flying from O'Hare Intl. Airport (ORD) to IST please visit our COVID 19 travel advisor portal link.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Airport to Istanbul Airport flights, you'll see a "no change fees" filter for you to select.

You'll have 8 800 kilometres to cover on the long-haul Chicago to Arnavutkoy route. Dress in layers of comfy clothes and consider taking earplugs and a sleep mask.

At the moment, no airlines offer flights directly from O'Hare Intl. Airport (ORD) to IST. You'll need to book a flight with at least one stop. To get the best price and connections, lock in your airfare ahead of time.

Late planners can occasionally score a bargain, with some of the cheapest airfares from ORD to Istanbul Airport surfacing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates all the best flight deals frequently — as early as a year in advance in some cases. It depends on the carrier though, as not every airline releases prices that far in advance.