$454 Cheap Flights from Chicago (ORD) to Istanbul (IST)

View $454 flight on Sat, Oct 11, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Istanbul Airport (IST)

Cheap Flights from Chicago to Istanbul (ORD-IST)

Prices were available within the past 7 days and start at $454 for one-way flights and $612 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, Nov 26 - Mon, Dec 8
ORD
Chicago
IST
Istanbul
$612 Roundtrip, found 2 days ago
$612
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Nov 26 from Chicago to Istanbul, returning Mon, Dec 8, priced at $612 found 2 days ago
Icelandair
Sat, Nov 15 - Mon, Nov 24
ORD
Chicago
IST
Istanbul
$650 Roundtrip, found 1 day ago
$650
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Nov 15 from Chicago to Istanbul, returning Mon, Nov 24, priced at $650 found 1 day ago
Icelandair
Wed, Nov 5 - Mon, Nov 24
ORD
Chicago
IST
Istanbul
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select Icelandair flight, departing Wed, Nov 5 from Chicago to Istanbul, returning Mon, Nov 24, priced at $670 found 2 days ago
LOT-Polish Airlines
Sun, Feb 15 - Mon, Feb 23
ORD
Chicago
IST
Istanbul
$738 Roundtrip, found 6 hours ago
$738
Roundtrip
found 6 hours ago
Select LOT-Polish Airlines flight, departing Sun, Feb 15 from Chicago to Istanbul, returning Mon, Feb 23, priced at $738 found 6 hours ago
Air Canada
Sun, Feb 1 - Wed, Feb 18
ORD
Chicago
IST
Istanbul
$774 Roundtrip, found 4 days ago
$774
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sun, Feb 1 from Chicago to Istanbul, returning Wed, Feb 18, priced at $774 found 4 days ago
Delta
Sun, Mar 8 - Thu, Mar 19
ORD
Chicago
IST
Istanbul
$784 Roundtrip, found 3 hours ago
$784
Roundtrip
found 3 hours ago
Select Delta flight, departing Sun, Mar 8 from Chicago to Istanbul, returning Thu, Mar 19, priced at $784 found 3 hours ago
United
Sun, Dec 7 - Wed, Dec 17
ORD
Chicago
IST
Istanbul
$784 Roundtrip, found 7 hours ago
$784
Roundtrip
found 7 hours ago
Select United flight, departing Sun, Dec 7 from Chicago to Istanbul, returning Wed, Dec 17, priced at $784 found 7 hours ago
Lufthansa
Mon, Dec 1 - Wed, Dec 10
ORD
Chicago
IST
Istanbul
$784 Roundtrip, found 1 hour ago
$784
Roundtrip
found 1 hour ago
Select Lufthansa flight, departing Mon, Dec 1 from Chicago to Istanbul, returning Wed, Dec 10, priced at $784 found 1 hour ago
Air Serbia
Sat, Nov 8 - Fri, Nov 14
ORD
Chicago
IST
Istanbul
$788 Roundtrip, just found
$788
Roundtrip
just found
Select Air Serbia flight, departing Sat, Nov 8 from Chicago to Istanbul, returning Fri, Nov 14, priced at $788 just found
KLM
Fri, Feb 6 - Wed, Feb 11
ORD
Chicago
IST
Istanbul
$797 Roundtrip, found 3 days ago
$797
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Feb 6 from Chicago to Istanbul, returning Wed, Feb 11, priced at $797 found 3 days ago

Find the cheapest month to fly from Chicago (ORD) to Istanbul (IST)

September is typically the cheapest month to fly

From $525 - $1,407 per traveler.

Alternative airports near Istanbul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Istanbul Airport IST. Cheapest option available. Average driving time to city center is 35 minutes. Flights from $921
IST
Istanbul Airport
Cheapest
Average driving time to city center35 min
Flights from $921
Flights from Chicago (ORD) to Istanbul (IST)
Origin airport
O'Hare Intl.
Destination airport
Istanbul
Airlines serving
Air Canada, Air France, Air Serbia, American Airlines, British Airways, Delta, Emirates, Ethiopian Airlines, Etihad Airways, Icelandair, JetBlue Airways, KLM, LOT-Polish Airlines, Lufthansa, Qatar Airways, Royal Jordanian, TAP Portugal, Turkish Airlines, United
Roundtrip price
$612
Distance
5459 mi
Average flight time
18 hours 30 mins

Chicago to Istanbul Flights

The cheapest times to fly from Chicago to Istanbul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Istanbul are during the month of November. You can find some of the cheapest flights from Chicago to Istanbul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Istanbul

Sunday is one of the best days to book for cheap flights from Chicago to Istanbul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Istanbul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Istanbul in 2025. You can also book with separate airlines for your outbound and return journeys, from $454 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Istanbul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Istanbul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Istanbul (IST) cost?
Secure a cheap one-way flight from $454 or cheap return flight from $612 from O'Hare Intl. Airport (ORD) to Istanbul (IST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Istanbul (IST)?
The cheapest month to fly from ORD to IST is November, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Istanbul (IST)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from ORD to IST. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from O'Hare Intl. Airport (ORD) to Istanbul (IST)?
You'll have to hop on a flight with a layover if you're traveling from O'Hare Intl. Airport (ORD) to Istanbul (IST). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from ORD to IST?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on various factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from ORD to IST?
Consider traveling with Turkish Airlines if you'd like to fly straight from O'Hare Intl. Airport (ORD) to Istanbul (IST) without any holdups. This airline has the best track record for punctuality, with an on-time score of 100%. Want to be notified if anything changes? You can check your flight status using the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Istanbul (IST)?
To arrive at Istanbul (IST) on schedule, pick a flight that leaves O'Hare Intl. Airport (ORD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Istanbul (IST) last-minute?
Waiting until right before your break to book your flight from ORD to IST generally means paying more. While you may come across some last-minute deals, there's no guarantee. Be flexible with your travel plans for a better chance of snagging a bargain.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Istanbul (IST)?
If you booked your ORD to IST flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.