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$319+ Cheap flights from Chicago (CHI) to Istanbul

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Istanbul are usually found in January or November, booked 87 days in advance, depart on a Wednesday or Sunday and return on a Tuesday

Cheap flight deals from Chicago to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Istanbul (TR5). 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

$319
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$948
From Chicago (CHI) to Istanbul
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One-way flight from Chicago (CHI) to Istanbul
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Highest demand for flights based on searches. 14% potential increase in price ($179 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Istanbul

Cheapest flights from Chicago to Istanbul
Explore the most affordable flight options available from Chicago 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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/297:20 pmORD - SAW
1 stop15h 40mMultiple Airlines
Sat 12/139:05 amSAW - ORD
1 stop16h 40mMultiple Airlines
Deal found 9/10$752
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.
Wed 10/293:35 pmORD - SAW
2 stops18h 45mMultiple Airlines
Wed 11/125:50 amSAW - ORD
3 stops23h 15mMultiple Airlines
Deal found 9/11$753
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 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/307:20 pmORD - SAW
1 stop15h 50mMultiple Airlines
Sun 12/79:05 amSAW - ORD
1 stop16h 40mMultiple Airlines
Deal found 9/8$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 Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:55 pmORD - SAW
2 stops17h 00mMultiple Airlines
Fri 10/249:10 amSAW - ORD
2 stops18h 30mMultiple Airlines
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 10/135:10 pmORD - SAW
2 stops18h 45mMultiple Airlines
Tue 10/2811:45 amSAW - ORD
2 stops17h 15mMultiple Airlines
Deal found 9/11$759

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 to Istanbul that are best for you.

Fly from

Chicago

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 - SAW

ORDSAW

Chicago O'Hare Intl

Sat 11/8

4:25 pm-5:25 pm

1 stop16h 00m

Istanbul Sabiha Gokcen

Sat 11/22

9:00 am-2:20 pm

1 stop14h 20m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Chicago 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 to Istanbul

How far ahead should I book a flight from Chicago to Istanbul?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Istanbul. Price data was last updated on August 29, 2025.

The price you pay for your flight from Chicago to Istanbul may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago to Istanbul?

Currently, October is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $916). Flying from Chicago to Istanbul 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 CHI to IST?

Find hourly flight availability from Chicago 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.

It’s optimal to fly from Chicago to Istanbul at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Chicago to Istanbul?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Istanbul. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Istanbul flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Istanbul

Explore weekly flight availability from Chicago 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 September 11, 2025.

The most flights from CHI to TR5 are scheduled on a Monday (13 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Chicago to Istanbul?

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.
Get a feel of what it's like to fly with Delta, LOT, and Turkish Airlines from Chicago to Istanbul by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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
1,114 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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!
Turkish Airlines
7.3
Good
3,968 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,960 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Overall

8.0

Entertainment

7.9

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 Chicago 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 to Istanbul?

    KLM and Delta can get you from Chicago to Istanbul in just under 15h 30m. Your travel time can differ by up to 1h 25m. The distance from Chicago to Istanbul is about 5455 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago to Istanbul round-trip?

    Cheapflights users have booked flights from Chicago to Istanbul round-trip from $382. Other airlines that can offer you cheap pricing are Icelandair, from $517, and Turkish Airlines, from $627. Users have found that Air Serbia is 63% cheaper than the other options available to this destination.

  • What are the most popular routes from Chicago to Istanbul?

    While some choose either Chicago O'Hare Intl - Istanbul Sabiha Gokcen or Chicago Midway - Istanbul, Chicago O'Hare Intl - Istanbul is the most popular route from Chicago to Istanbul.

  • What are the most reliable airlines from Chicago to Istanbul?

    No one likes to see their flight delayed. When booking a flight from Chicago to Istanbul consider choosing Pakistan International Airlines (71%), MIAT Mongolian (71%) or Turkish Airlines (60%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Istanbul?

    The cheapest flight price from Chicago to Istanbul is $301. On average you can expect to pay $1,477. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $640.

  • Can I find deals for flights from Chicago to Istanbul that include hotel bookings?

    Yes. In addition to deals on Chicago to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Istanbul?

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

  • Can I find deals for business class flights from Chicago to Istanbul?

    Yes. Cheapflights offers flight deals from Chicago 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 to Istanbul?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $916). Flying from Chicago to Istanbul 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Chicago to Istanbul

Discover the top 10 airlines that operate flights from Chicago 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$1,018FlexibilityNo 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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