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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £484

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in March or November, booked 63 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Istanbul

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Istanbul
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 23 June 2026.

Thu 3/911:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Thu 17/906:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Deal found 19/6£706
Fri 2/1011:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Thu 8/1006:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Deal found 22/6£709
Tue 20/1006:30
ORD
-
IST
2 stops28h 05m
Qatar Airways
Tue 3/1120:10
IST
-
ORD
1 stop27h 20m
Qatar Airways
Deal found 18/6£713
Thu 29/1017:46
ORD
-
IST
2 stops58h 34m
Qatar Airways
Sun 8/1120:10
IST
-
ORD
1 stop27h 20m
Qatar Airways
Deal found 19/6£716
Wed 11/1115:00
ORD
-
IST
2 stops16h 55m
KLM
Mon 16/1107:15
IST
-
ORD
1 stop16h 55m
KLM
Deal found 19/6£716
Thu 10/1213:35
ORD
-
IST
2 stops18h 20m
KLM
Wed 30/1217:55
IST
-
ORD
1 stop29h 30m
KLM
Deal found 18/6£717
Tue 1/906:00
ORD
-
IST
2 stops21h 55m
Qatar Airways
Tue 15/911:40
IST
-
ORD
1 stop35h 25m
Qatar Airways
Deal found 21/6£718
Mon 24/819:20
ORD
-
IST
1 stop32h 35m
Qatar Airways
Mon 7/913:45
IST
-
ORD
1 stop33h 20m
Qatar Airways
Deal found 20/6£719
Sun 23/806:00
ORD
-
IST
2 stops28h 35m
Qatar Airways
Tue 8/911:40
IST
-
ORD
1 stop35h 25m
Qatar Airways
Deal found 21/6£719
Wed 19/806:00
ORD
-
IST
2 stops22h 15m
Qatar Airways
Fri 25/920:05
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 18/6£720
Thu 1/1016:01
ORD
-
IST
2 stops36h 14m
Qatar Airways
Thu 15/1020:05
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 20/6£723
Thu 10/911:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Sat 19/906:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Deal found 18/6£725

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 23 June 2026.

Round-trip from

£706

One-way from

£484

Popular in

May

Cheapest in

March

Average price

£1,042
Turkish Airlines
  • Turkish Airlines
  • 3/9-17/9
  • Nonstop
  • 21h 30m total
  • Chicago to Istanbul
Search Deals
SAUDIA
  • SAUDIA
  • 1/10
  • 2 total stops
  • 24h 50m total
  • Chicago to Istanbul
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£117 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Istanbul 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 23 June 2026.
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

Price

Cheapest return flight

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 29/10

19:16-12:20

2 stops57h 04m

Istanbul

Sat 14/11

20:10-14:30

1 stop27h 20m

£716
Fastest return journey

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 3/9

11:25-05:45

Nonstop10h 20m

Istanbul

Sat 12/9

06:30-09:40

Nonstop11h 10m

£751

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 27/10

12:45-07:10

Nonstop10h 25m

Istanbul

Fri 13/11

07:35-10:00

Nonstop11h 25m

£755

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 22/8

06:00-12:15

2 stops22h 15m

Istanbul

Mon 7/9

13:45-15:05

1 stop33h 20m

£804

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 31/10

12:45-07:10

Nonstop10h 25m

Istanbul

Sat 14/11

07:35-10:00

Nonstop11h 25m

£830

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 2/9

06:00-18:35

2 stops28h 35m

Istanbul

Wed 9/9

20:05-20:30

2 stops32h 25m

£840

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 11/7

16:20-01:20

1 stop25h 00m

Istanbul

Thu 16/7

04:25-15:10

1 stop18h 45m

£901

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 18/7

16:20-01:20

1 stop25h 00m

Istanbul

Fri 31/7

06:00-14:15

1 stop16h 15m

£902

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 5/7

16:20-01:20

1 stop25h 00m

Istanbul

Thu 9/7

04:25-15:10

1 stop18h 45m

£925

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 4/7

16:20-01:20

1 stop25h 00m

Istanbul

Sat 11/7

04:25-15:10

1 stop18h 45m

£946

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 19 resultsSorted by cheapest first
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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.
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 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 58 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, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £635). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in May is currently the most expensive (average of £1,071). 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?

Find hourly flight availability from O'Hare Intl to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 June 2026.

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 much does it cost for a return flight from Chicago O'Hare Intl Airport to Istanbul Airport?

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Istanbul Airport?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Istanbul Airport in 10h 25m. Fly via Qatar Airways or Turkish Airlines to get the fastest option. Chicago O'Hare Intl Airport and Istanbul Airport are separated by a distance of 5455 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Istanbul Airport?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Istanbul Airport are Turkish Airlines (68%), MIAT Mongolian (58%) and Uzbekistan Airways (53%).

  • Can I find deals for flights from O'Hare Intl to Istanbul that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Istanbul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Istanbul.

  • Can I find deals for business class flights from O'Hare Intl to Istanbul?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Istanbul 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 Chicago O'Hare Intl Airport to Istanbul Airport?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £635). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in May is currently the most expensive (average of £1,071). 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.

See more FAQs

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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?

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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.

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