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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £354

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
31 Aug — 7 Sep1
1 adult
1 adult, Economy, 0 bags

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 1 August 2026.

Sat 5/1216:25
IST
-
ORD
2 stops40h 34m
Delta
Thu 31/1218:25
ORD
-
IST
1 stop14h 20m
Delta
Deal found 29/7£455
Sat 5/1216:25
IST
-
ORD
2 stops33h 38m
Delta
Fri 1/118:25
ORD
-
IST
1 stop14h 30m
Delta
Deal found 29/7£473
Wed 9/904:30
IST
-
ORD
1 stop19h 40m
Scandinavian Airlines
Sat 19/919:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Deal found 29/7£507
Fri 11/906:00
IST
-
ORD
1 stop16h 15m
KLM
Mon 29/317:10
ORD
-
IST
1 stop15h 50m
KLM
Deal found 28/7£518
Sat 12/904:30
IST
-
ORD
1 stop19h 40m
Scandinavian Airlines
Tue 22/919:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Deal found 29/7£523
Sun 1/1117:55
IST
-
ORD
1 stop29h 30m
Delta
Sun 22/1116:25
ORD
-
IST
1 stop15h 30m
Delta
Deal found 30/7£526
Sun 13/917:20
IST
-
ORD
1 stop29h 10m
Delta
Tue 22/916:20
ORD
-
IST
1 stop25h 00m
Delta
Deal found 29/7£527
Wed 9/917:20
IST
-
ORD
1 stop28h 55m
Delta
Wed 10/310:30
ORD
-
IST
2 stops21h 25m
Delta
Deal found 28/7£528
Tue 8/906:00
IST
-
ORD
1 stop16h 15m
Delta
Mon 8/316:25
ORD
-
IST
1 stop15h 30m
Delta
Deal found 30/7£528
Thu 17/906:00
IST
-
ORD
1 stop16h 15m
Delta
Wed 30/918:25
ORD
-
IST
2 stops22h 55m
Delta
Deal found 31/7£529
Tue 8/906:00
IST
-
ORD
2 stops22h 30m
Delta
Fri 25/906:40
ORD
-
IST
2 stops25h 40m
Delta
Deal found 29/7£531
Tue 1/1217:55
IST
-
ORD
1 stop29h 30m
Delta
Wed 30/1205:30
ORD
-
IST
2 stops27h 25m
Delta
Deal found 29/7£531

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 1 August 2026.

Round-trip from

£455

One-way from

£354

Popular in

August

Cheapest in

January

Average price

£771
Delta
  • Delta
  • 5/12-29/12
  • 3 total stops
  • 51h 43m total
  • Istanbul to Chicago
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British Airways
  • British Airways
  • 11/10
  • 1 total stop
  • 15h 40m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£73 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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 1 August 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 9/9

06:00-14:30

1 stop16h 30m

Chicago O'Hare Intl

Wed 10/3

16:25-16:55

1 stop15h 30m

£528

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 4/12

17:55-16:41

2 stops31h 46m

Chicago O'Hare Intl

Thu 31/12

09:30-16:55

2 stops22h 25m

£531

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 23/9

06:00-20:30

2 stops22h 30m

Chicago O'Hare Intl

Tue 29/9

13:29-16:20

2 stops18h 51m

£535

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 12/9

19:55-12:25

1 stop24h 30m

Chicago O'Hare Intl

Sat 19/9

17:00-14:35

1 stop13h 35m

£596
Fastest return journey

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 14/9

06:30-09:40

Nonstop11h 10m

Chicago O'Hare Intl

Tue 13/10

11:25-05:45

Nonstop10h 20m

£639

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 27/8

04:25-20:30

2 stops24h 05m

Chicago O'Hare Intl

Wed 16/9

15:05-16:20

2 stops17h 15m

£640

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 1/9

06:30-09:40

Nonstop11h 10m

Chicago O'Hare Intl

Sun 13/9

11:25-05:45

Nonstop10h 20m

£702

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 19/8

04:25-18:49

2 stops22h 24m

Chicago O'Hare Intl

Thu 10/9

11:17-16:20

2 stops21h 03m

£859

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 15/12

05:30-22:36

2 stops26h 06m

Chicago O'Hare Intl

Sun 10/1

07:00-17:55

3 stops25h 55m

£904

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 18/8

14:45-09:18

1 stop26h 33m

Chicago O'Hare Intl

Fri 11/9

20:10-14:50

Nonstop10h 40m

£930

Flights are sorted by cheapest return flights first.

Deals found on 30/7

Showing 1-10 of 23 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 54 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, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £493). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £771). 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 1 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Chicago O'Hare Intl Airport as you normally would.

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

Airfare is below average for this route at the moment.

Istanbul Airport to Chicago O'Hare Intl Airport flights typically cost between £601 and £924 in December.
The cheapest return price found within the last 5 days was £455 on Delta (5 Dec–31 Dec).

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 15h 45m. Delta provides one of the quickest options available for as low as £572. 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: Uzbekistan Airways (84%), Pakistan International Airlines (84%), IndiGo( 84%).

  • 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, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £493). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £771). 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

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Elk Grove Village

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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.

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