Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £291
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from O'Hare Intl to Istanbul
Cheapest flights from O'Hare Intl to IstanbulExplore the most affordable flight options available from O'Hare Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.
Explore the most affordable flight options available from O'Hare Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 October 2026.
Best flights from O'Hare Intl to IstanbulDiscover carefully curated flight deals from O'Hare Intl to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.
Discover carefully curated flight deals from O'Hare Intl to Istanbul that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 October 2026.
Direct flights from O'Hare Intl to IstanbulExplore direct flight options from O'Hare Intl to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.
Explore direct flight options from O'Hare Intl to Istanbul based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 October 2026.
Last-minute flights from O'Hare Intl to IstanbulDiscover last-minute flight deals from O'Hare Intl to Istanbul. Data last updated 5 October 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Istanbul. Data last updated 5 October 2026 and is based on user searches.
One-way flights from O'Hare Intl to IstanbulSearch for one-way flight options from O'Hare Intl to Istanbul. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.
Search for one-way flight options from O'Hare Intl to Istanbul. Find affordable one-way fares based on user searches. Data last updated 5 October 2026.
Find flight deals from O'Hare Intl to Istanbul
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Istanbul (IST). 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 October 2026.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Istanbul Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Tue 5/1
16:20-22:45
1 stop21h 25m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Wed 6/1
16:20-18:10
1 stop16h 50m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Tue 5/1
15:15-18:10
1 stop17h 55m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Sun 14/2
08:55-18:10
2 stops24h 15m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Sat 13/2
17:55-18:10
2 stops39h 15m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Thu 14/1
14:26-18:10
2 stops18h 44m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Mon 16/11
18:50-12:20
1 stop32h 30m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Sun 27/12
16:20-22:45
1 stop21h 25m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Thu 3/12
11:45-07:10
Nonstop10h 25m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
ChicagoIstanbul
ORD Chicago O'Hare Intl - IST Istanbul
ORDIST
Chicago O'Hare Intl
Sun 29/11
11:45-07:10
Nonstop10h 25m
Istanbul
Wed 31/12
00:00-16:00
Nonstop0h 00m
Best time to book a flight from O'Hare Intl to Istanbul
Have a flexible travel schedule? Discover the best time to fly to Istanbul from O'Hare Intl with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Istanbul Airport
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Istanbul Airport?
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Istanbul Airport, you should look to book at least 41 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Istanbul Airport?
Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £636). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in May is currently the most expensive (average of £1,055). 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 ORD to IST?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Istanbul Airport as you normally would.
How often are flights from Chicago to Istanbul delayed?
About 24% of weekly flights between Chicago and Istanbul have experienced delays in the past year, with the average delay time being 188 minutes.
What is the most punctual flight time for Chicago to Istanbul flights?
Historically, flights departing in the evening 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?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Istanbul flights?
Over the past year, Turkish Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Direct flights to Türkiye (Turkey)
Book a non-stop flight to one of these other cities located in Türkiye (Turkey).
Search flights from O'Hare Intl to Istanbul by cabin class
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Other flights to Istanbul
Explore flights to Istanbul departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 October 2026.
O'Hare Intl and Istanbul flights
Browse other O'Hare Intl and Istanbul flight options. Last updated on 5 October 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 5 October 2026.
Popular flight searches
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How does Cheapflights help users find flights from O'Hare Intl to Istanbul?
Deals for O'Hare Intl to Istanbul flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Istanbul?
Cheapflights simply makes it quick and affordable to book flights from O'Hare Intl to Istanbul by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from O'Hare Intl to Istanbul with no change fees?
Yes, we can. To see specific flights from O'Hare Intl to Istanbul with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from O'Hare Intl to Istanbul become cheaper?
Yes! Start tracking prices for O'Hare Intl to Istanbul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.