Istanbul

$320+ 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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Oct 11 — Oct 181
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in November or October, booked 66 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$752
(FlightHub)

One-way from

$320
(Mytrip)

Popular in

June

Cheapest in

November

Average price

$969

Good round-trip deal

$673 or less

Good one-way deal

$370 or less
From Chicago O'Hare Intl to Istanbul
One-way flight from Chicago O'Hare Intl to Istanbul
Highest demand for flights based on searches. 14% potential increase in price ($178 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
Price to beat on a one-way flight from Chicago O'Hare Intl to Istanbul.

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 September 11, 2025.

This FlightHub deal was found by Cheapflights users on 9/10. 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 10/3010:55 pmORD - IST
2 stops28h 25mLOT
Thu 11/2012:10 pmIST - ORD
2 stops16h 50mLOT
Deal found 9/10$752
This KLM deal was found by Cheapflights users on 9/10. 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.
Fri 12/54:25 pmORD - IST
1 stop15h 30mKLM
Sun 12/74:50 amIST - ORD
1 stop19h 20mKLM
Deal found 9/10$754
This KLM deal was found by Cheapflights users on 9/8. 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.
Sun 11/95:20 pmORD - IST
1 stop25h 30mMultiple Airlines
Wed 11/194:50 amIST - ORD
2 stops19h 36mMultiple Airlines
Deal found 9/8$755
This KLM deal was found by Cheapflights users on 9/11. 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.
Sat 11/155:20 pmORD - IST
1 stop25h 30mMultiple Airlines
Mon 11/174:50 amIST - ORD
2 stops19h 36mMultiple Airlines
Deal found 9/11$756
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 12/1310:18 amORD - IST
2 stops24h 47mMultiple Airlines
Sat 12/275:30 amIST - ORD
1 stop20h 10mMultiple Airlines
Deal found 9/11$757
This CrystalTravel deal was found by Cheapflights users on 9/9. 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.
Wed 9/241:55 pmORD - IST
1 stop32h 20mEtihad Airways
Sun 10/52:10 pmIST - ORD
1 stop26h 35mEtihad Airways
Deal found 9/9$758
This KLM deal was found by Cheapflights users on 9/10. 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.
Wed 12/33:45 pmORD - IST
2 stops16h 10mKLM
Sun 12/74:50 amIST - ORD
1 stop19h 20mKLM
Deal found 9/10$759
This Mytrip deal was found by Cheapflights users on 9/11. 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 10/66:00 amORD - IST
2 stops37h 50mMultiple Airlines
Tue 10/144:35 pmIST - ORD
1 stop29h 50mMultiple Airlines
Deal found 9/11$760
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Wed 10/229:40 pmORD - IST
1 stop31h 25mLOT
Wed 11/127:50 amIST - ORD
1 stop21h 10mLOT
Deal found 9/11$761
This FlightHub deal was found by Cheapflights users on 9/10. 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 10/235:10 pmORD - IST
1 stop33h 10mLOT
Thu 10/307:50 amIST - ORD
1 stop21h 10mLOT
Deal found 9/10$762
This LOT deal was found by Cheapflights users on 9/10. 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.
Sun 11/99:55 pmORD - IST
1 stop28h 25mLOT
Wed 12/33:00 pmIST - ORD
1 stop14h 00mLOT
Deal found 9/10$763
This Gotogate deal was found by Cheapflights users on 9/10. 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.
Mon 10/131:55 pmORD - IST
1 stop32h 20mEtihad Airways
Mon 10/202:10 pmIST - ORD
1 stop26h 35mEtihad Airways
Deal found 9/10$764

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 September 11, 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 12/3

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Sun 12/7

4:50 am-3:10 pm

1 stop19h 20m

$754

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 12/5

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Sun 12/7

4:50 am-3:10 pm

1 stop19h 20m

$754

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 10/30

6:20 pm-3:50 am

1 stop25h 30m

Istanbul

Wed 11/12

4:50 am-3:26 pm

2 stops19h 36m

$756

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 11/9

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Wed 11/19

4:50 am-3:26 pm

2 stops19h 36m

$756

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 2/8

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Sat 2/21

4:50 am-4:37 pm

2 stops20h 47m

$756

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 2/16

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Wed 2/18

4:50 am-4:37 pm

2 stops20h 47m

$756

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 11/30

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Sun 12/7

5:55 pm-2:20 pm

1 stop29h 25m

$766

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 11/4

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Thu 11/13

5:55 pm-2:20 pm

1 stop29h 25m

$767

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 1/12

5:20 pm-3:50 am

1 stop25h 30m

Istanbul

Tue 1/20

5:55 pm-2:20 pm

1 stop29h 25m

$767

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/29

6:10 pm-3:50 am

3 stops25h 40m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 20 results
1
2

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 August 29, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Istanbul Airport is 66 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $916). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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 September 11, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 29% 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 September 7, 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.

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 September 11, 2025.
Read reviews from past customers who have flown Delta, LOT, and Turkish 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.
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Crew

8.5

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    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 . There are 5455 mi between Chicago O'Hare Intl Airport and Istanbul Airport.

  • 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 $517 and $627, 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 (71%), MIAT Mongolian (71%) and Turkish Airlines (60%).

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

    On average you can expect to pay $1,477 for a flight from Chicago O'Hare Intl Airport to Istanbul Airport. The cheapest flight overall is $301 while the most popular route, (Chicago O'Hare Intl - Istanbul) is currently priced at $640.

  • 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $916). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,359). 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

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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.

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$382Average$1,026FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$517Average$776FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$627Average$1,059FlexibilityNo cancel feeOn-time77%
DeltaCheapest$657Average$1,102FlexibilityNo cancel feeOn-timeN/A
LOTCheapest$683Average$984FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$698Average$867FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$700Average$938FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$721Average$861FlexibilityNo cancel feeOn-time75%
KLMCheapest$753Average$990FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$769Average$839FlexibilityNo cancel feeOn-time61%

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