Find flights
Deals
When to book
FAQs

Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £341

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 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
8 Jun — 15 Jun1
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 9 May 2026.

Sun 13/918:50
IST
-
ORD
1 stop29h 05m
British Airways
Tue 20/1019:05
ORD
-
IST
1 stop15h 20m
British Airways
Deal found 4/5£462
Wed 16/906:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Wed 7/1011:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Deal found 7/5£495
Mon 22/606:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Tue 7/711:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Deal found 7/5£495
Mon 14/906:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Mon 5/1011:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Deal found 7/5£502
Wed 11/1117:55
IST
-
ORD
1 stop29h 30m
KLM
Tue 12/117:20
ORD
-
IST
1 stop15h 35m
KLM
Deal found 7/5£518
Tue 15/904:25
IST
-
ORD
1 stop18h 45m
KLM
Sun 4/1016:20
ORD
-
IST
1 stop16h 00m
KLM
Deal found 7/5£520
Wed 11/1117:55
IST
-
ORD
1 stop29h 30m
KLM
Wed 13/115:00
ORD
-
IST
2 stops16h 55m
KLM
Deal found 7/5£521
Fri 11/906:00
IST
-
ORD
1 stop16h 15m
Delta
Fri 23/1016:20
ORD
-
IST
1 stop16h 00m
Delta
Deal found 4/5£522
Sun 13/917:20
IST
-
ORD
1 stop29h 10m
Delta
Sun 4/1010:30
ORD
-
IST
2 stops21h 50m
Delta
Deal found 7/5£523
Sat 27/617:20
IST
-
ORD
1 stop28h 55m
Delta
Fri 13/1113:35
ORD
-
IST
2 stops18h 20m
Delta
Deal found 4/5£524
Fri 29/506:00
IST
-
ORD
1 stop16h 15m
Delta
Wed 16/907:00
ORD
-
IST
2 stops25h 20m
Delta
Deal found 4/5£525
Sat 12/906:00
IST
-
ORD
2 stops24h 06m
Delta
Thu 22/1015:50
ORD
-
IST
2 stops16h 30m
Delta
Deal found 4/5£526

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 9 May 2026.

Round-trip from

£462

One-way from

£341

Popular in

August

Cheapest in

January

Average price

£552
British Airways
  • British Airways
  • 13/9-26/10
  • 2 total stops
  • 46h 20m total
  • Istanbul to Chicago
Search Deals
American Airlines
  • American Airlines
  • 17/7
  • 1 total stop
  • 18h 05m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£65 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 May 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 9 May 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 16/9

19:25-13:50

1 stop26h 25m

Chicago O'Hare Intl

Wed 21/10

19:05-19:05

1 stop16h 00m

£462

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 17/9

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Tue 20/10

13:35-16:20

2 stops18h 45m

£522

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 10/10

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Tue 20/10

16:20-16:20

1 stop16h 00m

£523

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 16/9

06:00-18:07

2 stops20h 07m

Chicago O'Hare Intl

Thu 22/10

15:50-16:20

2 stops16h 30m

£526
Fastest return journey

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 26/5

05:40-12:55

1 stop15h 15m

Chicago O'Hare Intl

Thu 11/6

22:30-21:35

1 stop15h 05m

£529

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sun 4/10

18:50-15:55

1 stop29h 05m

Chicago O'Hare Intl

Tue 20/10

19:05-01:05

1 stop22h 00m

£540

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 28/8

17:20-14:15

1 stop28h 55m

Chicago O'Hare Intl

Thu 10/9

10:40-16:20

2 stops21h 40m

£545

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 28/8

17:20-14:15

1 stop28h 55m

Chicago O'Hare Intl

Thu 10/9

16:20-01:20

1 stop25h 00m

£548

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 29/6

04:25-19:11

2 stops22h 46m

Chicago O'Hare Intl

Wed 14/10

16:50-01:20

1 stop24h 30m

£554

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 29/6

06:00-14:30

1 stop16h 30m

Chicago O'Hare Intl

Sun 18/10

17:10-03:30

1 stop26h 20m

£556

Flights are sorted by cheapest return flights first.

Deals found on 4/5

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 90 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 £487). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £762). 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 9 May 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 15h 05m. British Airways provides one of the quickest options available for as low as £527. 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: MIAT Mongolian (70%), Uzbekistan Airways (61%), IndiGo( 61%).

  • 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 £487). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £762). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

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.