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$380+ Cheap flights from Chicago (CHI) 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 Tuesday 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 (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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$760
(Kiwi.com)

One-way from

$380
(Thrive Travel)

Popular in

June

Cheapest in

January

Average price

$1,022

Good round-trip deal

$861 or less

Good one-way deal

$438 or less
Provider with most accurate pricing for Chicago (CHI)-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Istanbul flights.
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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. 16% potential increase in price ($216 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 April 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Istanbul.
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Price to beat on a one-way flight from Chicago (CHI) to Istanbul.
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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 April 24, 2025.

This SmartFares deal was found by Cheapflights users on 4/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:30 pmORD - IST
1 stop20h 25mIcelandair
Wed 11/198:05 amIST - ORD
1 stop18h 15mIcelandair
Deal found 4/23$722
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 11/155:10 pmORD - IST
2 stops17h 40mMultiple Airlines
Sat 11/295:30 amIST - ORD
1 stop20h 10mMultiple Airlines
Deal found 4/23$745
This oojo deal was found by Cheapflights users on 4/23. 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.
Tue 9/231:55 pmORD - IST
1 stop32h 15mEtihad Airways
Tue 10/77:30 amIST - ORD
1 stop33h 15mEtihad Airways
Deal found 4/23$771
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 9/98:10 pmORD - IST
1 stop32h 35mRoyal Jordanian
Sat 9/201:45 pmIST - ORD
1 stop25h 05mRoyal Jordanian
Deal found 4/23$782
This Delta deal was found by Cheapflights users on 4/23. 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 11/34:25 pmORD - IST
1 stop15h 30mDelta
Tue 11/115:10 amIST - ORD
1 stop18h 55mDelta
Deal found 4/23$783
This oojo deal was found by Cheapflights users on 4/23. 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 9/107:20 pmORD - IST
1 stop27h 00mQatar Airways
Tue 9/168:05 pmIST - ORD
1 stop27h 00mQatar Airways
Deal found 4/23$817
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Mon 11/173:35 pmORD - IST
2 stops23h 10mAir Canada
Tue 12/28:00 amIST - ORD
2 stops21h 25mAir Canada
Deal found 4/23$818
This Delta deal was found by Cheapflights users on 4/23. 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 7/211:00 pmMDW - IST
2 stops30h 25mDelta
Fri 8/154:20 amIST - MDW
2 stops36h 20mDelta
Deal found 4/23$819
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 11/43:55 pmORD - IST
1 stop21h 50mLufthansa
Thu 12/46:30 amIST - ORD
1 stop15h 55mLufthansa
Deal found 4/23$822
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Tue 11/186:25 pmORD - IST
1 stop19h 20mUnited Airlines
Fri 11/286:30 amIST - ORD
1 stop22h 35mUnited Airlines
Deal found 4/23$823
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Tue 8/511:25 amORD - IST
Nonstop10h 20mTurkish Airlines
Wed 10/86:30 amIST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 4/22$859
This Justfly.com deal was found by Cheapflights users on 4/23. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:10 pmORD - IST
2 stops22h 40mLOT
Wed 8/205:30 pmIST - ORD
1 stop26h 50mLOT
Deal found 4/23$903

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 April 24, 2025.
Use the filters below to find and compare flights from Chicago to Istanbul Airport that are best for you.

Fly from

Chicago

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 9/23

1:55 pm-6:10 am

1 stop32h 15m

Istanbul

Tue 10/7

7:30 am-8:45 am

1 stop33h 15m

$771

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 6/4

9:55 am-3:50 am

2 stops33h 55m

Istanbul

Tue 6/10

4:35 pm-2:25 pm

1 stop29h 50m

$777

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 9/9

8:10 pm-12:45 pm

1 stop32h 35m

Istanbul

Sat 9/20

1:45 pm-6:50 am

1 stop25h 05m

$782

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/12

6:10 pm-3:25 am

2 stops25h 15m

Istanbul

Fri 8/22

4:20 am-9:54 pm

2 stops25h 34m

$795

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 10/8

10:15 pm-11:55 pm

1 stop17h 40m

Istanbul

Fri 10/17

7:05 am-6:15 pm

1 stop19h 10m

$806

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/10

7:20 pm-6:20 am

1 stop27h 00m

Istanbul

Tue 9/16

8:05 pm-3:05 pm

1 stop27h 00m

$817

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Mon 7/21

1:00 pm-3:25 am

2 stops30h 25m

Istanbul

Fri 8/15

4:20 am-8:40 am

2 stops36h 20m

$819

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/5

11:25 am-5:45 am

Nonstop10h 20m

Istanbul

Wed 10/8

6:30 am-9:40 am

Nonstop11h 10m

$859

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/5

7:10 pm-4:30 pm

1 stop13h 20m

Istanbul

Wed 8/20

8:25 am-3:55 pm

1 stop15h 30m

$886

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/5

5:10 pm-11:50 pm

2 stops22h 40m

Istanbul

Wed 8/20

5:30 pm-3:10 pm

1 stop29h 40m

$902

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 26 results
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Compare providers for flights from Chicago 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 Chicago to Istanbul in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*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-Istanbul Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago-Istanbul Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Chicago-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Istanbul Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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-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 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 Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Istanbul. Price data was last updated on April 18, 2025.

The price you pay for your flight from Chicago to Istanbul Airport 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 Airport?

Currently, November is the cheapest month in which you can book a flight from Chicago to Istanbul Airport (average of $923). Flying from Chicago to Istanbul Airport in June is currently the most expensive (average of $1,423). 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 April 24, 2025.

It’s optimal to fly from Chicago to Istanbul Airport 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 Airport?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Istanbul. Price data was last updated on March 24, 2024.

Travelers seeking maximum savings on their Chicago to Istanbul Airport 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 Airport

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 April 24, 2025.

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

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 24, 2025.
Peruse reviews from past customers who have flown with Delta, LOT and Qatar Airways from Chicago to Istanbul to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,066 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qatar Airways
7.4
Good
3,561 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Etihad Airways
7.4
Good
1,202 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,775 reviews
Delta
8.0
Very good
7,920 reviews

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 Airport round-trip?

    Cheapflights users have booked flights from Chicago to Istanbul Airport round-trip from $804. Other airlines that can offer you cheap pricing are Etihad Airways, from $910, and Royal Jordanian, from $920. Delta is 24% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $380. Royal Jordanian flights start at $454 while deals on Icelandair start at $455 one-way.

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

    Before booking your flight to Istanbul Airport from Chicago, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (77%), Uzbekistan Airways (69%), Turkish Airlines( 69%).

  • What are the cheapest flights from Chicago to Istanbul Airport?

    The cheapest flight price from Chicago to Istanbul Airport is $346. On average you can expect to pay $2,440. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $709.

  • 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 Airport?

    Currently, November is the cheapest month in which you can book a flight from Chicago to Istanbul Airport (average of $923). Flying from Chicago to Istanbul Airport in June is currently the most expensive (average of $1,423). 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.

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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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$364Average$873FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$1,067FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$615Average$1,120FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$946FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$706Average$972FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$721Average$852FlexibilityNo cancel feeOn-time75%
DeltaCheapest$731Average$1,053FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$735Average$1,096FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$736Average$960FlexibilityNo cancel feeOn-time71%
Royal JordanianCheapest$747Average$842FlexibilityNo cancel feeOn-time61%

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