HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$592+ Cheap flights from Istanbul (IST) to O'Hare Intl (ORD)

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 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
Sep 8 — Sep 151
Mon 9/8
Mon 9/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Istanbul to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 12 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 September 3, 2025.

Round-trip from

$630
(KLM)

One-way from

$592
(SmartFares)

Popular in

August

Cheapest in

February

Average price

$765

Good round-trip deal

$780 or less

Good one-way deal

$693 or less
From Istanbul to Chicago O'Hare Intl
Search Deals
One-way flight from Istanbul to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Istanbul to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Istanbul to Chicago O'Hare Intl.
Search Deals

Find flight deals from Istanbul to O'Hare Intl

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 September 3, 2025.

This KLM deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/295:05 pmIST - ORD
1 stop29h 05mKLM
Mon 10/65:10 pmORD - IST
1 stop26h 15mKLM
Deal found 9/1$630
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/27:00 amIST - ORD
1 stop16h 10mLOT
Thu 2/59:55 pmORD - IST
1 stop17h 45mLOT
Deal found 9/1$631
This oojo deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/911:15 amIST - ORD
1 stop35h 55mLOT
Thu 2/129:55 pmORD - IST
2 stops28h 25mLOT
Deal found 9/1$632
This LOT deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:15 amIST - ORD
2 stops16h 25mLOT
Sat 9/279:40 pmORD - IST
1 stop18h 10mLOT
Deal found 9/1$633
This LOT deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:55 pmIST - ORD
1 stop33h 15mLOT
Tue 9/235:10 pmORD - IST
2 stops22h 40mLOT
Deal found 9/2$634
This Booking.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/29:20 pmIST - ORD
1 stop25h 30mBritish Airways
Sun 3/156:10 pmORD - IST
1 stop22h 40mBritish Airways
Deal found 9/1$635
This CheapOair deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:40 amIST - ORD
2 stops20h 20mAir Canada
Thu 11/2012:50 pmORD - IST
2 stops20h 15mAir Canada
Deal found 9/2$637
This oojo deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:30 pmIST - ORD
1 stop29h 40mLOT
Mon 9/229:40 pmORD - IST
2 stops28h 35mLOT
Deal found 9/1$639
This British Airways deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:50 pmIST - ORD
1 stop26h 00mBritish Airways
Tue 12/95:10 pmORD - IST
1 stop15h 35mBritish Airways
Deal found 9/1$640
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1311:15 amIST - ORD
2 stops16h 25mLOT
Fri 9/264:55 pmORD - IST
1 stop33h 25mLOT
Deal found 9/1$641
This British Airways deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:50 pmIST - ORD
1 stop28h 05mBritish Airways
Thu 2/55:10 pmORD - IST
1 stop15h 20mBritish Airways
Deal found 9/1$642
This Gotogate deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:15 amIST - ORD
2 stops16h 25mLOT
Thu 10/235:10 pmORD - IST
1 stop33h 10mLOT
Deal found 9/1$643

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 3, 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 9/29

5:05 pm-2:10 pm

1 stop29h 05m

Chicago O'Hare Intl

Fri 10/10

5:10 pm-3:25 am

1 stop26h 15m

$630

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 10/3

6:10 am-2:55 pm

1 stop16h 45m

Chicago O'Hare Intl

Thu 2/5

3:20 pm-10:45 pm

1 stop22h 25m

$630

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 9/29

5:05 pm-2:10 pm

1 stop29h 05m

Chicago O'Hare Intl

Mon 10/6

5:10 pm-3:25 am

1 stop26h 15m

$630

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sun 11/2

12:10 pm-8:00 pm

2 stops16h 50m

Chicago O'Hare Intl

Sun 3/15

10:55 pm-11:20 am

1 stop28h 25m

$631

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 9/15

1:55 pm-3:10 pm

1 stop33h 15m

Chicago O'Hare Intl

Tue 9/23

5:10 pm-11:50 pm

2 stops22h 40m

$634

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 9/15

1:55 pm-3:10 pm

1 stop33h 15m

Chicago O'Hare Intl

Thu 9/25

5:10 pm-11:50 pm

2 stops22h 40m

$634

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sun 11/2

9:20 pm-1:50 pm

1 stop25h 30m

Chicago O'Hare Intl

Sun 3/15

6:10 pm-12:50 am

1 stop22h 40m

$635

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 11/10

8:40 am-8:00 pm

2 stops20h 20m

Chicago O'Hare Intl

Thu 11/20

12:50 pm-6:05 pm

2 stops20h 15m

$637

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 11/12

8:40 am-8:00 pm

2 stops20h 20m

Chicago O'Hare Intl

Wed 2/11

12:50 pm-6:05 pm

2 stops20h 15m

$637

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 11/12

12:10 pm-8:00 pm

2 stops16h 50m

Chicago O'Hare Intl

Wed 2/11

9:55 pm-12:40 am

1 stop17h 45m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/2

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 round-trip 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 round-trip flight from Istanbul to O'Hare Intl. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Istanbul Airport to Chicago O'Hare Intl Airport, you should look to book at least 12 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 September 3, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% on flights from Istanbul Airport to Chicago O'Hare Intl Airport by exploring options for tickets in the evening.

How much does it cost to fly round-trip from Istanbul Airport to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated September 3, 2025.
Read reviews from past customers who have flown KLM, LOT, and Turkish Airlines from Istanbul Airport to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,382 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,112 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,954 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Lufthansa
6.8
Okay
7,385 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,344 reviews
KLM
7.8
Good
1,382 reviews

Boarding

7.8

Entertainment

7.1

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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?

    For as low as $630, KLM can have you in Chicago O'Hare Intl Airport from Istanbul Airport in 16h 45m. The distance between Istanbul Airport and Chicago O'Hare Intl Airport is about 5455 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Istanbul Airport to Chicago O'Hare Intl Airport round-trip?

    Cheapflights users have booked flights from Istanbul Airport to Chicago O'Hare Intl Airport round-trip from $452. Other airlines that can offer you cheap pricing are British Airways, from $535, and LOT, from $544. These flights start at 41% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Istanbul Airport to Chicago O'Hare Intl Airport?

    No one likes to see their flight delayed. When booking a flight from Istanbul Airport to Chicago O'Hare Intl Airport consider choosing Turkish Airlines (71%), Uzbekistan Airways (70%) or IndiGo (70%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $598. While the most popular route (Istanbul - Chicago O'Hare Intl) can be booked for $540 on average our data indicates $1,730 when flying from Istanbul Airport to Chicago O'Hare Intl Airport.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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

Traveling 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Naperville
Elk Grove Village
Downers Grove
Evanston
Lake Geneva
Merrillville
Joliet

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.

Alternative routes for Istanbul to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Istanbul to Midway flights
Sabiha Gokcen to O'Hare Intl flights

Top 7 airlines flying from Istanbul to O'Hare Intl

Discover the top 7 airlines that operate flights from Istanbul to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$452Average$546FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$535Average$634FlexibilityNo cancel feeOn-time70%
LOTCheapest$544Average$650FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$573Average$598FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$588Average$717FlexibilityNo cancel feeOn-time76%
DeltaCheapest$614Average$639FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$661Average$874FlexibilityNo cancel feeOn-time77%

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.