HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Istanbul

$381+ Cheap flights from O'Hare Intl (ORD) to Istanbul (IST)

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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Istanbul 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 Chicago O'Hare Intl to Istanbul are usually found in March or November, booked 85 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from O'Hare Intl to Istanbul

Cheapest flights from O'Hare Intl to Istanbul
Explore the most affordable flight options available from O'Hare Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 23, 2026.

This CrystalTravel deal was found by Cheapflights users on 4/20. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:20 pm
ORD
-
IST
1 stop28h 00m
Qatar Airways
Mon 5/185:00 pm
IST
-
ORD
1 stop31h 50m
Qatar Airways
Deal found 4/20$784
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:20 pm
ORD
-
IST
1 stop15h 35m
Delta
Wed 11/117:15 am
IST
-
ORD
1 stop16h 55m
Delta
Deal found 4/21$785
This FlightHub deal was found by Cheapflights users on 4/20. 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.
Mon 4/277:20 pm
ORD
-
IST
1 stop28h 00m
Qatar Airways
Tue 5/125:00 pm
IST
-
ORD
1 stop31h 50m
Qatar Airways
Deal found 4/20$786
This oojo deal was found by Cheapflights users on 4/21. 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 8/37:20 pm
ORD
-
IST
1 stop39h 15m
Qatar Airways
Mon 9/218:05 pm
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 4/21$789
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:30 pm
ORD
-
IST
2 stops18h 50m
Delta
Fri 11/67:15 am
IST
-
ORD
1 stop16h 55m
Delta
Deal found 4/20$790
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:20 pm
ORD
-
IST
1 stop27h 00m
Qatar Airways
Mon 9/78:05 pm
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 4/21$791
This Justfly.com deal was found by Cheapflights users on 4/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:20 pm
ORD
-
IST
1 stop32h 35m
Qatar Airways
Tue 9/88:05 pm
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 4/21$793
This FlightHub deal was found by Cheapflights users on 4/20. 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 9/37:20 pm
ORD
-
IST
1 stop32h 35m
Qatar Airways
Tue 10/208:05 pm
IST
-
ORD
1 stop27h 00m
Qatar Airways
Deal found 4/20$794
This oojo deal was found by Cheapflights users on 4/19. 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.
Thu 11/512:50 pm
ORD
-
IST
Nonstop9h 20m
Turkish Airlines
Wed 11/187:35 am
IST
-
ORD
Nonstop11h 30m
Turkish Airlines
Deal found 4/19$795
This oojo deal was found by Cheapflights users on 4/19. 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 11/2411:50 am
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Tue 12/17:35 am
IST
-
ORD
Nonstop11h 30m
Turkish Airlines
Deal found 4/19$796
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/25:10 pm
ORD
-
IST
1 stop26h 20m
Delta
Wed 8/266:00 am
IST
-
ORD
1 stop16h 30m
Delta
Deal found 4/21$798
This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:30 pm
ORD
-
IST
2 stops18h 50m
Delta
Tue 11/35:55 pm
IST
-
ORD
2 stops31h 17m
Delta
Deal found 4/20$799

Find flight deals from O'Hare Intl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Istanbul (IST). 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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$784
(CrystalTravel)

One-way from

$381
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$1,012

Good round-trip deal

$719 or less

Good one-way deal

$533 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Istanbul flights.
Search Deals
From Chicago O'Hare Intl to Istanbul
Search Deals
One-way flight from Chicago O'Hare Intl to Istanbul
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Istanbul.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Istanbul 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 April 23, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Istanbul Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 7/27

5:10 pm-3:30 am

1 stop26h 20m

Istanbul

Sun 8/23

5:20 pm-2:30 pm

1 stop29h 10m

$848

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 10/20

5:10 pm-3:30 am

1 stop26h 20m

Istanbul

Sat 11/7

5:55 pm-2:30 pm

1 stop29h 35m

$848

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 5/7

7:20 pm-7:20 am

1 stop28h 00m

Istanbul

Tue 5/26

5:00 pm-4:50 pm

1 stop31h 50m

$887

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 5/5

7:20 pm-7:20 am

1 stop28h 00m

Istanbul

Mon 7/13

8:05 pm-6:20 am

2 stops42h 15m

$963

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 7/28

5:10 pm-3:30 am

1 stop26h 20m

Istanbul

Wed 8/12

6:00 am-6:07 pm

2 stops20h 07m

$993

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 10/2

6:30 am-6:35 pm

2 stops28h 05m

Istanbul

Thu 10/8

8:05 pm-3:05 pm

1 stop27h 00m

$1,022

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 5/24

4:20 pm-1:20 am

1 stop25h 00m

Istanbul

Sat 6/6

4:25 am-3:10 pm

1 stop18h 45m

$1,055
Quickest round-trip

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 8/9

10:00 am-1:00 pm

2 stops19h 00m

Istanbul

Thu 8/20

5:40 am-8:07 pm

2 stops22h 27m

$1,068

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 6/22

7:20 pm-6:35 pm

1 stop39h 15m

Istanbul

Sat 7/4

1:45 pm-6:20 am

2 stops48h 35m

$1,099

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 5/13

7:00 pm-1:20 am

2 stops22h 20m

Istanbul

Fri 5/29

6:00 am-6:05 pm

2 stops20h 05m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/18

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

Compare providers for flights from O'Hare Intl to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Istanbul in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Istanbul Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Istanbul Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Istanbul Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from O'Hare Intl 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 Chicago O'Hare Intl Airport to Istanbul Airport

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Istanbul Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Istanbul. Price data was last updated on April 17, 2026.

The best time to book flights from Chicago O'Hare Intl Airport to Istanbul Airport is 85 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 Chicago O'Hare Intl Airport to Istanbul Airport?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $842). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,352). 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 ORD to IST?

Find hourly flight availability from O'Hare Intl to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 23, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Istanbul Airport as you normally would.

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

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. 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 Istanbul. Reviews last updated April 23, 2026.
Read reviews from past customers who have flown KLM,LOT, andTurkish Airlines from Chicago O'Hare Intl Airport to Istanbul 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
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,508 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
LOT
7.5
Good
1,189 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Turkish Airlines
7.4
Good
4,326 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
United Airlines
7.4
Good
9,644 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Lufthansa
6.8
Okay
7,944 reviews
KLM
7.8
Good
1,508 reviews

Crew

8.4

Overall

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Istanbul. 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 Chicago O'Hare Intl Airport to Istanbul Airport?

    Delta and Qatar Airways can get you from Chicago O'Hare Intl Airport to Istanbul Airport in just under 26h 20m. Your travel time can differ by up to 1h 40m. There are 5455 mi between Chicago O'Hare Intl Airport and Istanbul Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $127, Royal Jordanian will fly you from Chicago O'Hare Intl Airport to Istanbul Airport and back. In addition to Royal Jordanian, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Air Serbia - these airlines can fly you to your destination from $421 and $440, respectively. Royal Jordanian is currently priced 87% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Istanbul Airport one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $321. However, be on the lookout for offers from Air Serbia and LOT, as they are both options that can get you from Chicago O'Hare Intl Airport to Istanbul Airport for a low price.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Istanbul Airport are Pakistan International Airlines (68%), IndiGo (68%) and Uzbekistan Airways (67%).

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

    On average you can expect to pay $1,688 for a flight from Chicago O'Hare Intl Airport to Istanbul Airport. The cheapest flight overall is $457 while the most popular route, (Chicago O'Hare Intl - Istanbul) is currently priced at $793.

  • Can I find deals for flights from O'Hare Intl to Istanbul that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Istanbul.

  • Can I find deals for business class flights from O'Hare Intl to Istanbul?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Istanbul 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 Chicago O'Hare Intl Airport to Istanbul Airport?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $842). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,352). 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 Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Yalova

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.

Top 10 airlines flying from O'Hare Intl to Istanbul

Discover the top 10 airlines that operate flights from O'Hare Intl to Istanbul. 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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal JordanianCheapest$127Average$773FlexibilityNo cancel feeOn-time61%
IcelandairCheapest$421Average$637FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$440Average$860FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$524Average$964FlexibilityNo cancel feeOn-time71%
Scandinavian AirlinesCheapest$541Average$626FlexibilityNo cancel feeOn-time77%
DeltaCheapest$586Average$1,054FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$677Average$991FlexibilityNo cancel feeOn-time77%
KLMCheapest$719Average$812FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$744Average$1,188FlexibilityNo cancel feeOn-time76%
LOTCheapest$755Average$1,034FlexibilityNo cancel feeOn-time81%

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.