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$379+ 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Istanbul are usually found in January or November, booked 27 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 July 29, 2025.

Round-trip from

$814
(Lufthansa)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,098
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 ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This oojo deal was found by Cheapflights users on 7/29. 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.
Wed 9/1011:45 pmORD - IST
Nonstop10h 20mTurkish Airlines
Wed 9/176:30 amIST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 7/29$818
This Mytrip deal was found by Cheapflights users on 7/29. 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 9/175:05 amORD - SAW
3 stops32h 45mMultiple Airlines
Wed 10/18:35 amSAW - ORD
2 stops36h 00mMultiple Airlines
Deal found 7/29$820
This Mytrip deal was found by Cheapflights users on 7/28. 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 9/165:05 amORD - IST
3 stops34h 45mMultiple Airlines
Tue 9/301:55 pmIST - ORD
3 stops35h 44mMultiple Airlines
Deal found 7/28$821
This Delta deal was found by Cheapflights users on 7/28. 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 10/125:10 pmORD - IST
1 stop26h 15mDelta
Tue 10/214:20 amIST - ORD
2 stops24h 59mDelta
Deal found 7/28$824
This FlightHub deal was found by Cheapflights users on 7/28. 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 12/119:55 pmORD - IST
2 stops38h 50mLOT
Tue 12/2310:35 pmIST - ORD
2 stops30h 25mLOT
Deal found 7/28$826
This Ovago deal was found by Cheapflights users on 7/29. 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.
Sun 10/124:00 pmORD - IST
1 stop21h 20mLufthansa
Tue 10/212:00 pmIST - ORD
1 stop13h 55mLufthansa
Deal found 7/29$829
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Sat 12/1312:50 pmORD - IST
2 stops25h 35mAir Canada
Tue 12/239:25 pmIST - ORD
2 stops31h 05mAir Canada
Deal found 7/28$835
This FlightHub deal was found by Cheapflights users on 7/28. 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 8/211:55 pmORD - IST
1 stop32h 20mEtihad Airways
Tue 9/22:10 pmIST - ORD
1 stop26h 35mEtihad Airways
Deal found 7/28$836
This KLM deal was found by Cheapflights users on 7/28. 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.
Mon 9/154:40 pmORD - SAW
1 stop22h 20mKLM
Tue 9/3012:40 pmSAW - ORD
1 stop34h 00mKLM
Deal found 7/28$848
This Ovago deal was found by Cheapflights users on 7/29. 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.
Wed 10/84:55 pmORD - SAW
1 stop14h 10mBritish Airways
Wed 10/224:15 pmSAW - ORD
1 stop31h 40mBritish Airways
Deal found 7/29$858
This Air France 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/151:35 pmORD - IST
2 stops18h 45mKLM
Mon 9/295:05 pmIST - ORD
1 stop29h 05mKLM
Deal found 7/27$860
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:35 amMDW - IST
3 stops34h 15mMultiple Airlines
Sun 9/284:45 amIST - MDW
3 stops35h 54mMultiple Airlines
Deal found 7/27$925

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 July 29, 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

Mon 10/13

6:35 pm-9:20 pm

1 stop18h 45m

Istanbul

Mon 11/10

7:00 pm-6:19 pm

2 stops32h 19m

$814

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 10/16

5:10 pm-10:30 am

1 stop33h 20m

Istanbul

Tue 11/11

10:35 pm-8:00 pm

2 stops30h 25m

$815

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/22

6:30 am-8:00 pm

2 stops29h 30m

Istanbul

Wed 10/1

6:20 pm-12:35 pm

2 stops26h 15m

$816

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/10

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

Wed 9/17

6:30 am-9:40 am

Nonstop11h 10m

$818

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Wed 9/17

5:05 am-9:50 pm

3 stops32h 45m

Istanbul Sabiha Gokcen

Wed 10/1

8:35 am-12:35 pm

2 stops36h 00m

$820

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 10/12

5:10 pm-3:25 am

1 stop26h 15m

Istanbul

Tue 10/21

4:20 am-9:19 pm

2 stops24h 59m

$824

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 10/17

3:35 pm-5:10 pm

2 stops17h 35m

Istanbul

Thu 11/13

8:50 am-7:30 pm

2 stops19h 40m

$834

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 8/21

1:55 pm-6:15 am

1 stop32h 20m

Istanbul

Tue 9/2

2:10 pm-8:45 am

1 stop26h 35m

$836

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Mon 9/15

4:40 pm-9:05 pm

1 stop20h 25m

Istanbul Sabiha Gokcen

Tue 9/30

2:40 pm-2:40 pm

1 stop32h 00m

$843

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Wed 10/8

4:55 pm-3:05 pm

1 stop14h 10m

Istanbul Sabiha Gokcen

Wed 10/22

4:15 pm-3:55 pm

1 stop31h 40m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 23 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 July 25, 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 27 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, November is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $923). 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 July 29, 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 July 29, 2025.

The most flights from CHI to TR5 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).

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 July 29, 2025.
Get a feel of what it's like to fly with Delta, KLM, and LOT 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
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
1,105 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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
1,227 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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!
Turkish Airlines
7.3
Good
3,925 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

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 Chicago 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 to Istanbul round-trip?

    Cheapflights users have booked flights from Chicago to Istanbul round-trip from $814. Other airlines that can offer you cheap pricing are LOT, from $815, and Turkish Airlines, from $818. Users have found that Lufthansa is 21% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Istanbul one-way?

    One-way options have recently been found by users for as low as $379 on Turkish Airlines. Other airlines that offer cheap prices include Delta from $609 and KLM from $881 one-way.

  • 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 (73%), MIAT Mongolian (73%) or Turkish Airlines (57%) 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 $341. On average you can expect to pay $1,856. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $685.

  • 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, November is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $923). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 29, 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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