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$329+ 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in November or October, booked 54 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap 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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$711
(Mytrip)

One-way from

$329
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$907

Good round-trip deal

$670 or less

Good one-way deal

$438 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Istanbul flights.
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From Chicago O'Hare Intl to Istanbul
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One-way flight from Chicago O'Hare Intl to Istanbul
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Highest demand for flights based on searches. 15% potential increase in price ($188 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
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Price to beat on a one-way flight from Chicago O'Hare Intl to Istanbul.
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Find 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 October 27, 2025.

This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:01 pmORD - IST
3 stops21h 49mMultiple Airlines
Fri 12/125:20 amIST - ORD
1 stop18h 40mMultiple Airlines
Deal found 10/25$711
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:30 pmORD - IST
2 stops20h 50mMultiple Airlines
Mon 12/159:10 amIST - ORD
2 stops17h 10mMultiple Airlines
Deal found 10/25$712
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:35 pmORD - IST
3 stops33h 05mMultiple Airlines
Mon 12/17:20 pmIST - ORD
3 stops28h 35mMultiple Airlines
Deal found 10/25$713
This Mytrip deal was found by Cheapflights users on 10/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:00 pmORD - IST
2 stops22h 00mMultiple Airlines
Thu 11/2710:00 pmIST - ORD
3 stops30h 30mMultiple Airlines
Deal found 10/25$714
This Delta deal was found by Cheapflights users on 10/24. 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.
Mon 11/244:25 pmORD - IST
1 stop15h 30mDelta
Mon 12/15:55 pmIST - ORD
2 stops36h 44mDelta
Deal found 10/24$715
This Delta deal was found by Cheapflights users on 10/26. 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 11/255:20 pmORD - IST
1 stop25h 30mDelta
Tue 12/25:55 pmIST - ORD
1 stop29h 25mDelta
Deal found 10/26$716
This Delta deal was found by Cheapflights users on 10/27. 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 11/258:55 amORD - IST
2 stops33h 55mDelta
Mon 12/15:55 pmIST - ORD
2 stops32h 02mDelta
Deal found 10/27$718
This Delta deal was found by Cheapflights users on 10/26. 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 11/236:33 pmORD - IST
2 stops37h 22mDelta
Fri 12/54:50 amIST - ORD
1 stop19h 20mDelta
Deal found 10/26$720
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/196:40 amORD - IST
2 stops28h 25mMultiple Airlines
Fri 12/55:20 amIST - ORD
1 stop18h 40mMultiple Airlines
Deal found 10/26$721
This Icelandair deal was found by Cheapflights users on 10/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:30 pmORD - IST
1 stop20h 25mIcelandair
Mon 2/212:25 pmIST - ORD
1 stop13h 55mIcelandair
Deal found 10/26$723

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 October 27, 2025.
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

O'Hare Intl

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 12/10

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Tue 12/16

4:50 am-9:47 pm

2 stops25h 57m

$713

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 1/21

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Tue 2/3

4:50 am-11:57 pm

2 stops28h 07m

$713

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 11/30

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Thu 12/11

5:55 pm-2:20 pm

1 stop29h 25m

$716

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 12/24

6:30 pm-11:55 pm

1 stop20h 25m

Istanbul

Mon 2/2

12:25 pm-5:20 pm

1 stop13h 55m

$723

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 12/1

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Fri 12/5

4:50 am-3:10 pm

1 stop19h 20m

$724

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 1/24

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Sun 2/1

4:50 am-3:10 pm

1 stop19h 20m

$724

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 12/2

1:23 pm-4:55 pm

2 stops18h 32m

Istanbul

Fri 12/12

5:55 pm-2:20 pm

1 stop29h 25m

$730

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 1/24

3:15 pm-4:55 pm

2 stops16h 40m

Istanbul

Mon 2/2

4:50 am-4:56 pm

2 stops21h 06m

$738

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 11/8

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Thu 11/13

4:50 am-2:20 pm

2 stops18h 30m

$745

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 1/18

2:49 pm-4:55 pm

2 stops17h 06m

Istanbul

Tue 1/20

4:50 am-2:20 pm

2 stops18h 30m

$749

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/24

Showing 1-10 of 20 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 October 24, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Istanbul Airport is 54 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $387). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $854). 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 October 27, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Chicago O'Hare Intl Airport to Istanbul Airport by exploring options for tickets at noon.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Istanbul Airport?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Istanbul. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Istanbul Airport flight should consider departing on Sunday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 27, 2025.
Read reviews from past customers who have flown Delta, LOT, and United 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.
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,995 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
LOT
7.6
Good
1,136 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Turkish Airlines
7.3
Good
4,030 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,995 reviews

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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, Icelandair, and KLM can get you from Chicago O'Hare Intl Airport to Istanbul Airport in just under 15h 30m. Your travel time can differ by up to 4h 55m. 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 $382, Air Serbia will fly you from Chicago O'Hare Intl Airport to Istanbul Airport and back. In addition to Air Serbia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and Turkish Airlines - these airlines can fly you to your destination from $446 and $652, respectively. Air Serbia is currently priced 63% below the average price you’ll pay for this route.

  • 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 (69%), MIAT Mongolian (69%) and IndiGo (68%).

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

    On average you can expect to pay $1,543 for a flight from Chicago O'Hare Intl Airport to Istanbul Airport. The cheapest flight overall is $360 while the most popular route, (Chicago O'Hare Intl - Istanbul) is currently priced at $400.

  • 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $387). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $854). 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
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Alternative routes for O'Hare Intl to Istanbul

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

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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$382Average$1,122FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$446Average$730FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$652Average$1,040FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$983FlexibilityNo cancel feeOn-time81%
KLMCheapest$720Average$775FlexibilityNo cancel feeOn-time75%
Etihad AirwaysCheapest$721Average$852FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$742Average$825FlexibilityNo cancel feeOn-time61%
LufthansaCheapest$780Average$1,143FlexibilityNo cancel feeOn-time76%
DeltaCheapest$781Average$1,093FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$785Average$1,217FlexibilityNo cancel feeOn-time67%

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