Find flights
Deals
When to book
FAQs

Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £286

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 27/11. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
7 12月 — 14 12月1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or January, booked 16 days in advance, depart on a Monday or Saturday and return on a Friday

Find 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 7 11月 2025.

週四 13/1117:55IST - ORD
1 stop29h 25mKLM
週四 27/1114:35ORD - IST
2 stops17h 20mKLM
Deal found 7/11£490
週三 3/1206:30IST - ORD
1 stop22h 35mUnited Airlines
週二 9/1214:39ORD - IST
2 stops23h 06mUnited Airlines
Deal found 7/11£491
週二 18/1106:30IST - ORD
1 stop13h 40mUnited Airlines
週一 8/1218:25ORD - IST
1 stop14h 30mUnited Airlines
Deal found 6/11£492
週二 16/1206:30IST - ORD
1 stop15h 40mUnited Airlines
週三 31/1210:35ORD - IST
2 stops22h 30mUnited Airlines
Deal found 6/11£493
週二 23/1217:55IST - ORD
1 stop29h 25mDelta
週五 9/116:25ORD - IST
1 stop15h 30mDelta
Deal found 7/11£495
週二 18/1106:30IST - ORD
2 stops20h 49mUnited Airlines
週二 9/1218:15ORD - IST
2 stops19h 30mUnited Airlines
Deal found 6/11£496
週二 23/1206:30IST - ORD
2 stops24h 09mUnited Airlines
週五 9/114:00ORD - IST
2 stops19h 05mUnited Airlines
Deal found 7/11£496
週三 3/1204:50IST - ORD
1 stop19h 20mKLM
週四 11/1217:20ORD - IST
1 stop25h 30mKLM
Deal found 6/11£497
週五 19/1212:25IST - ORD
1 stop13h 55mIcelandair
週三 31/1218:30ORD - IST
1 stop20h 25mIcelandair
Deal found 6/11£498
週六 27/1217:55IST - ORD
1 stop29h 25mKLM
週五 9/113:55ORD - IST
2 stops18h 00mKLM
Deal found 7/11£499
週五 14/1104:50IST - ORD
1 stop19h 20mDelta
週二 25/1114:35ORD - IST
2 stops17h 20mDelta
Deal found 6/11£499
週二 23/1218:40IST - ORD
1 stop28h 10mBritish Airways
週二 13/117:10ORD - IST
1 stop35h 25mBritish Airways
Deal found 7/11£500

Cheap 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 7 11月 2025.

Round-trip from

£492

One-way from

£286

Popular in

August

Cheapest in

February

Average price

£525

Good one-way deal

£485 or less
United Airlines
  • United Airlines
  • 18/11-9/12
  • 3 total stops
  • 33h 10m total
  • Istanbul to Chicago
Search Deals
Air Serbia
  • Air Serbia
  • 27/11
  • 1 total stop
  • 30h 25m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£74 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 November 2025
Search Deals
Price to beat on a one-way flight from Istanbul to Chicago O'Hare Intl.
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 7 11月 2025.
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

Istanbul

Fly to

O'Hare Intl

Route

Depart

Return

Price

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週日 1/3

17:55-14:20

1 stop29h 25m

Chicago O'Hare Intl

週三 1/4

10:10-16:20

2 stops22h 10m

£494

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週二 18/11

06:30-18:30

2 stops21h 00m

Chicago O'Hare Intl

週六 31/1

13:00-18:05

2 stops20h 05m

£496

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週一 15/12

06:30-20:38

2 stops23h 08m

Chicago O'Hare Intl

週三 31/12

15:20-22:45

1 stop22h 25m

£496

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週六 13/12

06:30-18:28

2 stops20h 58m

Chicago O'Hare Intl

週三 14/1

11:05-18:05

2 stops22h 00m

£496

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週日 14/12

17:55-14:20

1 stop29h 25m

Chicago O'Hare Intl

週四 1/1

18:02-03:50

2 stops24h 48m

£499

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週三 4/3

04:50-15:10

1 stop19h 20m

Chicago O'Hare Intl

週一 9/3

17:25-16:55

1 stop15h 30m

£499

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週五 12/12

06:30-18:35

2 stops21h 05m

Chicago O'Hare Intl

週二 30/12

14:00-17:45

2 stops18h 45m

£501

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週日 14/12

06:30-18:35

2 stops21h 05m

Chicago O'Hare Intl

週二 30/12

15:55-17:45

2 stops16h 50m

£501

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週四 11/12

06:30-23:43

2 stops26h 13m

Chicago O'Hare Intl

週二 30/12

14:00-17:45

2 stops18h 45m

£501

IstanbulChicago

IST - ORD

ISTORD

Istanbul

週一 15/12

06:30-21:38

2 stops24h 08m

Chicago O'Hare Intl

週二 30/12

15:55-17:45

2 stops16h 50m

£501

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 22 results
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?

Use this chart to determine the optimal time to book a return flight from Istanbul to O'Hare Intl. Price data was last updated on 31 October 2025.

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 16 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, July is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £313). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £493). 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 7 11月 2025.

A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at midday.

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 22h 35m. United Airlines provides one of the quickest options available for as low as £491. 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 cheapest airlines to fly from Istanbul Airport to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at £286. British Airways flights start at £299 while deals on Icelandair start at £415 one-way.

  • 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: Pakistan International Airlines (69%), MIAT Mongolian (69%), Uzbekistan Airways( 68%).

  • What are the cheapest flights from Istanbul Airport to Chicago O'Hare Intl Airport?

    Looking for the cheapest flight from Istanbul Airport to Chicago O'Hare Intl Airport? While on average our users pay £506, our data indicates the cheapest price to be £448. The most popular route (Istanbul - Chicago O'Hare Intl), is priced around £536.

  • 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, July is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £313). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £493). 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
Downers Grove
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.