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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £288

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 13 days in advance, depart on a Monday or Saturday and return on a Friday

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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 22 October 2025.

Tue 21/1004:20IST - ORD
1 stop18h 40mDelta
Tue 28/1013:25ORD - IST
2 stops19h 30mDelta
Deal found 20/10£492
Wed 3/1204:50IST - ORD
2 stops22h 12mDelta
Tue 17/309:30ORD - IST
2 stops23h 25mDelta
Deal found 21/10£495
Sat 6/1206:30IST - ORD
2 stops26h 13mUnited Airlines
Sat 21/314:00ORD - IST
2 stops20h 05mUnited Airlines
Deal found 21/10£496
Sun 7/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Fri 2/111:50ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 22/10£500
Mon 10/1117:55IST - ORD
2 stops32h 58mDelta
Tue 18/1117:20ORD - IST
1 stop25h 30mDelta
Deal found 22/10£504
Fri 31/1017:55IST - ORD
1 stop29h 25mDelta
Wed 12/1116:25ORD - IST
1 stop15h 30mDelta
Deal found 21/10£505
Thu 13/1114:35IST - ORD
1 stop32h 15mBritish Airways
Sat 22/1121:45ORD - IST
1 stop18h 25mBritish Airways
Deal found 21/10£506
Mon 8/1207:35IST - ORD
Nonstop11h 30mTurkish Airlines
Thu 1/111:50ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 22/10£507
Tue 18/1107:35IST - ORD
2 stops20h 39mBritish Airways
Wed 3/1211:55ORD - IST
2 stops20h 30mBritish Airways
Deal found 20/10£508
Tue 28/1017:55IST - ORD
2 stops31h 29mDelta
Sun 16/1116:25ORD - IST
1 stop15h 30mDelta
Deal found 21/10£510

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 22 October 2025.

Round-trip from

£492

One-way from

£288

Popular in

August

Cheapest in

February

Average price

£586
United Airlines
  • United Airlines
  • 11/12-21/3
  • 3 total stops
  • 33h 50m total
  • Istanbul to Chicago
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British Airways
  • British Airways
  • 24/2
  • 2 total stops
  • 21h 15m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 14% 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 October 2025
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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 22 October 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

Mon 17/11

04:50-15:10

1 stop19h 20m

Chicago O'Hare Intl

Wed 3/12

16:25-16:55

1 stop15h 30m

£492

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 10/12

04:50-18:02

2 stops22h 12m

Chicago O'Hare Intl

Tue 17/3

06:00-16:55

2 stops26h 55m

£495

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 8/12

06:30-18:30

2 stops21h 00m

Chicago O'Hare Intl

Sat 21/3

15:55-18:05

2 stops18h 10m

£496

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 3/11

17:55-17:22

2 stops32h 27m

Chicago O'Hare Intl

Tue 18/11

17:20-03:50

1 stop25h 30m

£505

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 12/12

15:35-18:25

Nonstop11h 50m

Chicago O'Hare Intl

Thu 1/1

11:50-07:10

Nonstop10h 20m

£507

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 11/12

15:35-18:25

Nonstop11h 50m

Chicago O'Hare Intl

Thu 1/1

11:50-07:10

Nonstop10h 20m

£507

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 18/11

07:35-19:14

2 stops20h 39m

Chicago O'Hare Intl

Wed 3/12

11:55-17:25

2 stops20h 30m

£508

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 5/12

17:55-14:20

1 stop29h 25m

Chicago O'Hare Intl

Sun 15/3

13:35-03:50

2 stops30h 15m

£510

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 3/12

04:50-15:10

1 stop19h 20m

Chicago O'Hare Intl

Thu 11/12

09:49-16:55

2 stops22h 06m

£510

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 9/1

08:10-20:24

2 stops21h 14m

Chicago O'Hare Intl

Tue 20/1

16:33-17:45

2 stops16h 12m

£510

Flights are sorted by cheapest return flights first.

Deals found on 21/10

Showing 1-10 of 21 results
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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?

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 17 October 2025.

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 13 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 £306). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £482). 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 22 October 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.

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 11h 30m. Delta provides one of the quickest options available for as low as £500. 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 (72%), IndiGo (72%), Pakistan International Airlines( 71%).

  • 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 £306). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £482). 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

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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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