Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £298
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/2. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
4 Jan — 11 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or January, booked 16 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap flight deals from Istanbul to O'Hare Intl
Enter your travel dates to find the best prices.
Cheapest flights from Istanbul to O'Hare Intl
Explore the most affordable flight options available from Istanbul to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.
Sat 27/1217:55IST - ORD
1 stop29h 25mKLM
Sat 3/116:25ORD - IST
1 stop15h 30mKLM
Deal found 3/12£480
Fri 5/1217:55IST - ORD
1 stop29h 25mDelta
Fri 6/216:25ORD - IST
1 stop15h 30mDelta
Deal found 3/12£488
Mon 8/1217:55IST - ORD
2 stops32h 51mDelta
Sun 8/317:25ORD - IST
1 stop15h 30mDelta
Deal found 3/12£492
Fri 12/1217:55IST - ORD
2 stops32h 51mDelta
Sat 10/116:25ORD - IST
1 stop15h 30mDelta
Deal found 4/12£494
Wed 3/1217:55IST - ORD
2 stops36h 44mDelta
Sun 7/1217:20ORD - IST
1 stop25h 30mDelta
Deal found 3/12£507
Fri 5/1204:50IST - ORD
1 stop19h 20mDelta
Sun 8/214:50ORD - IST
2 stops17h 05mDelta
Deal found 3/12£512
Thu 18/1204:50IST - ORD
1 stop19h 20mKLM
Wed 14/113:57ORD - IST
2 stops17h 58mKLM
Deal found 4/12£518
Sun 28/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Sat 3/111:50ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 3/12£548
Best flights from Istanbul to O'Hare Intl
Discover carefully curated flight deals from Istanbul to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 December 2025.
Sat 17/117:55IST - ORD
2 stops32h 50mKLM
Sat 24/114:00ORD - IST
2 stops17h 55mKLM
Deal found 3/12£476
Mon 1/604:20IST - ORD
1 stop20h 20mAir Serbia
Mon 6/718:50ORD - IST
1 stop13h 05mAir Serbia
Deal found 3/12£477
Tue 14/404:30IST - ORD
2 stops25h 36mScandinavian Airlines
Sat 18/419:15ORD - IST
1 stop24h 25mScandinavian Airlines
Deal found 3/12£487
Sat 17/107:35IST - ORD
1 stop15h 15mBritish Airways
Sat 18/416:55ORD - IST
1 stop16h 45mBritish Airways
Deal found 2/12£520
Tue 14/406:30IST - ORD
Nonstop11h 10mTurkish Airlines
Sat 18/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 4/12£546
Thu 18/1217:55IST - ORD
1 stop29h 25mDelta
Thu 1/117:20ORD - IST
1 stop25h 30mDelta
Deal found 4/12£558
Tue 14/416:35IST - ORD
1 stop29h 50mAir Serbia
Sat 18/423:20ORD - IST
1 stop32h 35mAir Serbia
Deal found 4/12£477
Sat 27/1217:55IST - ORD
1 stop29h 25mKLM
Sat 3/116:25ORD - IST
1 stop15h 30mKLM
Deal found 3/12£480
Fri 13/308:10IST - ORD
2 stops19h 35mBritish Airways
Wed 10/619:05ORD - IST
1 stop21h 20mBritish Airways
Deal found 3/12£525
Direct flights from Istanbul to O'Hare Intl
Explore direct flight options from Istanbul to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 December 2025.
Tue 14/406:30IST - ORD
Nonstop11h 10mTurkish Airlines
Sat 18/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 4/12£546
Sun 28/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Sat 3/111:50ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 3/12£548
Tue 13/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Mon 13/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£626
Tue 13/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Tue 14/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£648
Tue 13/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Sun 12/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£657
Wed 14/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Tue 14/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£664
Sun 18/107:35IST - ORD
Nonstop11h 30mTurkish Airlines
Fri 17/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£675
Tue 13/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Sat 18/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£679
Wed 14/115:35IST - ORD
Nonstop11h 50mTurkish Airlines
Thu 16/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£687
Sun 18/107:35IST - ORD
Nonstop11h 30mTurkish Airlines
Wed 15/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 2/12£694
Last-minute flights from Istanbul to O'Hare Intl
Discover last-minute flight deals from Istanbul to O'Hare Intl. Data last updated 5 December 2025 and is based on user searches.
Fri 5/1217:55IST - ORD
1 stop29h 25mDelta
Fri 6/216:25ORD - IST
1 stop15h 30mDelta
Deal found 3/12£488
Fri 5/1204:50IST - ORD
1 stop19h 20mDelta
Sun 8/214:50ORD - IST
2 stops17h 05mDelta
Deal found 3/12£512
Mon 8/1217:55IST - ORD
2 stops32h 51mDelta
Sun 8/307:00ORD - IST
2 stops25h 55mDelta
Deal found 3/12£492
Fri 12/1217:55IST - ORD
2 stops32h 51mDelta
Sat 10/107:05ORD - IST
2 stops24h 50mDelta
Deal found 2/12£511
Thu 18/1204:50IST - ORD
1 stop19h 20mKLM
Wed 14/113:57ORD - IST
2 stops17h 58mKLM
Deal found 4/12£518
Sat 27/1217:55IST - ORD
1 stop29h 25mKLM
Sat 3/116:25ORD - IST
1 stop15h 30mKLM
Deal found 3/12£480
Sun 28/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Sat 3/111:50ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 3/12£548
Wed 14/107:35IST - ORD
1 stop15h 15mBritish Airways
Thu 16/417:00ORD - IST
1 stop15h 40mBritish Airways
Deal found 2/12£494
Fri 16/108:10IST - ORD
1 stop14h 40mBritish Airways
Thu 16/419:05ORD - IST
1 stop13h 35mBritish Airways
Deal found 2/12£520
Sat 17/117:55IST - ORD
2 stops32h 50mKLM
Sat 24/114:00ORD - IST
2 stops17h 55mKLM
Deal found 3/12£476
One-way flights from Istanbul to O'Hare Intl
Search for one-way flight options from Istanbul to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 5 December 2025.
Sat 14/207:35IST - ORD
2 stops22h 58mBritish Airways
Deal found 4/12£298
Sat 24/118:40IST - ORD
2 stops32h 02mBritish Airways
Deal found 5/12£308
Fri 12/1205:20IST - ORD
1 stop18h 40mAir Serbia
Deal found 3/12£385
Mon 19/112:05IST - ORD
1 stop14h 15mIcelandair
Deal found 3/12£408
Thu 15/117:35IST - ORD
1 stop30h 25mAir Serbia
Deal found 3/12£427
Wed 24/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Deal found 4/12£477
Sun 18/107:35IST - ORD
Nonstop11h 30mTurkish Airlines
Deal found 3/12£477
Thu 8/114:35IST - ORD
1 stop33h 25mAir Serbia
Deal found 3/12£491
Sat 20/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Deal found 4/12£507
Fri 9/108:20IST - ORD
1 stop15h 40mAir Serbia
Deal found 2/12£548
Wed 7/117:15IST - ORD
2 stops37h 20mMultiple Airlines
Deal found 3/12£553
Find flight deals from Istanbul to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 December 2025.
Customise your flight search to find flights from Istanbul to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Istanbul Airport to Chicago O'Hare Intl Airport that are best for you.
Fly from
Istanbul
Fly to
O'Hare Intl
Route
Depart
Return
Price
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Sat 17/1
17:55-17:45
2 stops32h 50m
Chicago O'Hare Intl
Sat 24/1
14:00-16:55
2 stops17h 55m
£476
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Mon 1/6
04:20-16:40
1 stop20h 20m
Chicago O'Hare Intl
Mon 6/7
18:50-15:55
1 stop13h 05m
£477
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Tue 14/4
16:35-14:25
1 stop29h 50m
Chicago O'Hare Intl
Sat 18/4
23:20-15:55
1 stop32h 35m
£477
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Sat 27/12
17:55-14:20
1 stop29h 25m
Chicago O'Hare Intl
Sat 3/1
16:25-16:55
1 stop15h 30m
£480
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Tue 14/4
04:30-22:06
2 stops25h 36m
Chicago O'Hare Intl
Sat 18/4
19:15-03:40
1 stop24h 25m
£487
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Sat 17/1
07:35-13:50
1 stop15h 15m
Chicago O'Hare Intl
Sat 18/4
16:55-17:40
1 stop16h 45m
£520
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Fri 13/3
08:10-19:45
2 stops19h 35m
Chicago O'Hare Intl
Wed 10/6
19:05-00:25
1 stop21h 20m
£525
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Tue 14/4
06:30-09:40
Nonstop11h 10m
Chicago O'Hare Intl
Sat 18/4
11:25-05:45
Nonstop10h 20m
£546
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Thu 18/12
17:55-14:20
1 stop29h 25m
Chicago O'Hare Intl
Thu 1/1
17:20-03:50
1 stop25h 30m
£558
IstanbulChicago
IST - ORD
ISTORD
Istanbul
Sat 24/1
07:35-19:50
2 stops21h 15m
£298
Flights are sorted by cheapest return flights first.
Deals found on 4/12
Showing 1-10 of 19 results
1
2
Best time to book a flight from Istanbul to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Istanbul with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Istanbul Airport to Chicago O'Hare Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a return flight from Istanbul to O'Hare Intl. Price data was last updated on 28 November 2025.
The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 16 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £301). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IST to ORD?
Find hourly flight availability from Istanbul to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 5 December 2025.
A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to Chicago O'Hare Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at midday.
How much does it cost for a return flight from Istanbul Airport to Chicago O'Hare Intl Airport?
Weekly flight availability from Istanbul Airport to Chicago O'Hare Intl Airport
Explore weekly flight availability from Istanbul to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 5 December 2025.
The most flights from IST to ORD are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).
How often are flights from Istanbul to Chicago delayed?
About 21% of weekly flights between Istanbul and Chicago have experienced delays in the past year, with the average delay time being 242 minutes.
What is the most punctual flight time for Istanbul to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Istanbul to Chicago flights?
Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Istanbul to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Istanbul Airport to Chicago O'Hare Intl Airport?
A quick flight from Istanbul Airport to Chicago O'Hare Intl Airport can take about 29h 50m. British Airways provides one of the quickest options available for as low as £477. The distance from Istanbul Airport to Chicago O'Hare Intl Airport is about 5455 mi. This flight may include one or multiple stops.
What are the most reliable airlines from Istanbul Airport to Chicago O'Hare Intl Airport?
Before booking your flight to Chicago O'Hare Intl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Pakistan International Airlines (65%), MIAT Mongolian (65%), Uzbekistan Airways( 58%).
Can I find deals for flights from Istanbul to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Istanbul to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Istanbul to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to O'Hare Intl.
Can I find deals for business class flights from Istanbul to O'Hare Intl?
Yes. Cheapflights offers flight deals from Istanbul to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £301). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £483). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.
Browse through other flights departing from Istanbul. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Istanbul to O'Hare Intl?
When you search for this flight from Istanbul to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Istanbul to O'Hare Intl?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Istanbul.
Can Cheapflights find flights from Istanbul to O'Hare Intl with no change fees?
Yes! Cheapflights helps users easily find flights from Istanbul to O'Hare Intl with no change fees.
Can Cheapflights notify me if prices for flights from Istanbul to O'Hare Intl become cheaper?
Not ready to book yet? You can track prices for flights from Istanbul to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.