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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £361

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in January or February, booked 55 days in advance, depart on a Tuesday or Monday and return on a Thursday

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 19 June 2026.

Wed 11/1117:55
IST
-
ORD
1 stop29h 30m
KLM
Sat 21/1116:25
ORD
-
IST
1 stop15h 30m
KLM
Deal found 15/6£478
Thu 27/817:20
IST
-
ORD
1 stop28h 55m
KLM
Wed 16/916:50
ORD
-
IST
1 stop0h 30m
KLM
Deal found 18/6£498
Wed 11/1107:35
IST
-
ORD
2 stops21h 50m
British Airways
Sat 21/1116:40
ORD
-
IST
2 stops18h 35m
British Airways
Deal found 15/6£502
Fri 28/817:20
IST
-
ORD
1 stop28h 55m
KLM
Sun 13/916:20
ORD
-
IST
1 stop25h 00m
KLM
Deal found 18/6£511
Sat 31/1017:55
IST
-
ORD
1 stop29h 30m
KLM
Tue 16/318:20
ORD
-
IST
1 stop15h 35m
KLM
Deal found 16/6£527
Sat 27/617:20
IST
-
ORD
1 stop28h 55m
Delta
Tue 20/1016:20
ORD
-
IST
1 stop25h 00m
Delta
Deal found 19/6£530
Tue 23/617:20
IST
-
ORD
1 stop29h 10m
Delta
Mon 23/1116:25
ORD
-
IST
1 stop15h 30m
Delta
Deal found 16/6£533
Mon 20/713:55
IST
-
ORD
1 stop14h 00m
United Airlines
Fri 7/816:05
ORD
-
IST
1 stop21h 20m
United Airlines
Deal found 15/6£536
Wed 24/606:00
IST
-
ORD
1 stop16h 30m
Delta
Wed 25/1109:30
ORD
-
IST
2 stops22h 25m
Delta
Deal found 16/6£536

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 19 June 2026.

Round-trip from

£478

One-way from

£361

Popular in

August

Cheapest in

January

Average price

£534
KLM
  • KLM
  • 11/11-21/11
  • 2 total stops
  • 45h 00m total
  • Istanbul to Chicago
Search Deals
British Airways
  • British Airways
  • 31/10
  • 2 total stops
  • 21h 25m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 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 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 19 June 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

Thu 27/8

17:20-14:15

1 stop28h 55m

Chicago O'Hare Intl

Wed 16/9

16:50-01:20

1 stop0h 30m

£508

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 1/9

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Sun 13/9

16:20-16:20

1 stop16h 00m

£536

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 4/7

13:55-19:55

1 stop14h 00m

Chicago O'Hare Intl

Thu 6/8

11:07-13:00

2 stops17h 53m

£536

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 7/7

13:55-19:55

1 stop14h 00m

Chicago O'Hare Intl

Thu 6/8

22:30-21:35

1 stop15h 05m

£536

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 8/7

13:55-19:55

1 stop14h 00m

Chicago O'Hare Intl

Thu 6/8

15:55-16:55

2 stops17h 00m

£536

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 17/7

13:55-19:55

1 stop14h 00m

Chicago O'Hare Intl

Sat 8/8

22:30-21:15

1 stop14h 45m

£538

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 10/7

13:55-19:55

1 stop14h 00m

Chicago O'Hare Intl

Tue 4/8

16:05-21:15

1 stop21h 10m

£562

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 10/8

08:15-22:00

2 stops21h 45m

Chicago O'Hare Intl

Mon 24/8

21:15-00:25

1 stop19h 10m

£595

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 24/8

06:00-20:55

2 stops22h 55m

Chicago O'Hare Intl

Tue 1/9

16:20-16:20

1 stop16h 00m

£596

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 10/8

20:15-15:55

1 stop27h 40m

Chicago O'Hare Intl

Mon 24/8

17:05-18:55

2 stops17h 50m

£604

Flights are sorted by cheapest return flights first.

Deals found on 19/6

Showing 1-10 of 21 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 £500). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £788). 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 19 June 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?

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 14h. KLM provides one of the quickest options available for as low as £536. 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 (76%), Pakistan International Airlines (76%), IndiGo( 76%).

  • 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 £500). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £788). 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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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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