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$379+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 February, 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 July 28, 2025.

Round-trip from

$821
(Mytrip)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,158

Good round-trip deal

$723 or less

Good one-way deal

$431 or less
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. 14% potential increase in price ($180 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 28, 2025.

This KLM deal was found by Cheapflights users on 7/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/75:10 pmORD - IST
2 stops15h 10mKLM
Fri 10/315:55 pmIST - ORD
1 stop29h 25mKLM
Deal found 7/26$837
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1410:41 amORD - IST
2 stops18h 24mUnited Airlines
Fri 10/36:10 amIST - ORD
1 stop16h 45mUnited Airlines
Deal found 7/26$838
This Air Canada deal was found by Cheapflights users on 7/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/172:00 pmORD - IST
2 stops21h 05mAir Canada
Fri 11/143:10 pmIST - ORD
2 stops25h 48mAir Canada
Deal found 7/26$839
This Delta deal was found by Cheapflights users on 7/27. 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.
Wed 9/245:10 pmORD - IST
1 stop26h 15mDelta
Wed 10/14:20 amIST - ORD
2 stops21h 25mDelta
Deal found 7/27$841
This United deal was found by Cheapflights users on 7/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:35 pmORD - IST
1 stop15h 10mMultiple Airlines
Sat 11/158:00 pmIST - ORD
2 stops32h 30mMultiple Airlines
Deal found 7/26$842
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:40 pmORD - IST
1 stop35h 00mLOT
Sun 10/1911:25 amIST - ORD
1 stop35h 45mLOT
Deal found 7/27$844
This Turkish Airlines deal was found by Cheapflights users on 7/26. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:25 amORD - IST
Nonstop10h 20mTurkish Airlines
Sat 9/276:30 amIST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 7/26$847
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/281:55 pmORD - IST
1 stop39h 10mEtihad Airways
Tue 10/287:25 amIST - ORD
1 stop33h 50mEtihad Airways
Deal found 7/27$859
This Lufthansa deal was found by Cheapflights users on 7/26. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:40 pmORD - IST
2 stops15h 40mLufthansa
Wed 10/226:10 amIST - ORD
1 stop14h 45mLufthansa
Deal found 7/26$861
This Ovago deal was found by Cheapflights users on 7/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1110:35 pmORD - IST
1 stop17h 55mBritish Airways
Thu 8/218:15 amIST - ORD
1 stop15h 40mBritish Airways
Deal found 7/26$878

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 July 28, 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

Tue 9/16

5:05 am-11:50 pm

3 stops34h 45m

Istanbul

Tue 9/30

1:55 pm-5:39 pm

3 stops35h 44m

$821

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 8/27

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

Wed 9/3

6:45 pm-10:00 pm

Nonstop11h 15m

$826

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 8/14

9:40 pm-4:40 pm

1 stop35h 00m

Istanbul

Sat 8/23

11:25 am-12:05 pm

2 stops32h 40m

$834

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 9/7

5:10 pm-4:20 pm

2 stops15h 10m

Istanbul

Fri 10/31

5:55 pm-3:20 pm

1 stop29h 25m

$837

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 9/14

10:41 am-1:05 pm

2 stops18h 24m

Istanbul

Fri 10/3

6:10 am-2:55 pm

1 stop16h 45m

$838

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/17

2:00 pm-7:05 pm

2 stops21h 05m

Istanbul

Fri 11/14

3:10 pm-7:58 am

2 stops25h 48m

$839

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/15

5:10 pm-3:25 am

1 stop26h 15m

Istanbul

Tue 9/30

4:20 am-9:40 pm

2 stops25h 20m

$841

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 8/22

1:55 pm-6:15 am

1 stop32h 20m

Istanbul

Tue 9/2

7:30 am-8:45 am

1 stop33h 15m

$859

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 9/20

7:55 pm-1:05 pm

2 stops33h 10m

Istanbul

Mon 11/17

7:00 pm-1:10 pm

1 stop27h 10m

$868

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 8/11

5:40 pm-12:30 am

1 stop22h 50m

Istanbul

Mon 8/18

8:15 pm-1:50 pm

1 stop25h 35m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 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 July 25, 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, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of $923). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,360). 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 July 28, 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 July 27, 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.

Weekly flight availability from Chicago O'Hare Intl Airport to Istanbul Airport

Explore weekly flight availability from O'Hare Intl to Istanbul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from ORD to IST are scheduled on a Monday (14 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Istanbul Airport?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Istanbul Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Warsaw (WAW) – chosen by Cheapflights users on 53% of 1-stop itineraries from Chicago O'Hare Intl Airport to Istanbul Airport on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Istanbul Airport?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Istanbul Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $570.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Istanbul Airport?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Istanbul Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 5h 31m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Istanbul Airport?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Istanbul Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 1h 55m.

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 July 28, 2025.
Read reviews from past customers who have flown Delta, KLM, and LOT 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
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
Delta
8.0
Very good
7,971 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
LOT
7.6
Good
1,103 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
Etihad Airways
7.4
Good
1,225 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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!
United Airlines
7.4
Good
8,893 reviews
Delta
8.0
Very good
7,971 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

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.

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

    Currently priced at $826, Turkish Airlines will fly you from Chicago O'Hare Intl Airport to Istanbul Airport and back. In addition to Turkish Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from LOT and KLM - these airlines can fly you to your destination from $834 and $837, respectively. Turkish Airlines is currently priced 21% 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 (73%), MIAT Mongolian (73%) and Turkish Airlines (57%).

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

    On average you can expect to pay $1,856 for a flight from Chicago O'Hare Intl Airport to Istanbul Airport. The cheapest flight overall is $341 while the most popular route, (Chicago O'Hare Intl - Istanbul) is currently priced at $705.

  • 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 $923). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of $1,360). 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

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$382Average$1,095FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$759FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$624Average$1,079FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$982FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$700Average$934FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$704Average$900FlexibilityNo cancel feeOn-time70%
DeltaCheapest$711Average$1,062FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$721Average$872FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$747Average$841FlexibilityNo cancel feeOn-time61%
LufthansaCheapest$776Average$1,157FlexibilityNo cancel feeOn-time76%

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