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$487+ 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Find cheap flights from Chicago to Istanbul with Cheapflights

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Cheapflights Tip: The best prices from Chicago to Istanbul are usually found in November or January, booked 77 days in advance, depart on a Wednesday or Monday and return on a Tuesday

Cheap 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 December 21, 2025.

This IEagle deal was found by Cheapflights users on 12/19. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:55 pmORD - IST
1 stop34h 40mLOT
Sat 1/177:50 amIST - ORD
1 stop21h 10mLOT
Deal found 12/19$821
This FlightHub deal was found by Cheapflights users on 12/20. 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 12/319:55 pmORD - IST
1 stop17h 45mLOT
Sun 5/317:00 amIST - ORD
1 stop20h 50mLOT
Deal found 12/20$846
This IEagle deal was found by Cheapflights users on 12/18. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:55 pmORD - IST
1 stop34h 40mLOT
Sun 1/1112:10 pmIST - ORD
2 stops16h 50mLOT
Deal found 12/18$928
This FlightHub deal was found by Cheapflights users on 12/20. 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.
Sat 12/279:55 pmORD - IST
1 stop17h 45mLOT
Tue 3/103:00 pmIST - ORD
1 stop14h 00mLOT
Deal found 12/20$948
This FlightHub deal was found by Cheapflights users on 12/19. 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.
Sun 12/289:55 pmORD - IST
1 stop28h 25mLOT
Sat 1/1712:10 pmIST - ORD
2 stops16h 50mLOT
Deal found 12/19$953
This FlightHub deal was found by Cheapflights users on 12/20. 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.
Fri 12/269:55 pmORD - IST
2 stops28h 40mLOT
Wed 1/1410:10 pmIST - ORD
2 stops30h 50mLOT
Deal found 12/20$974
This Delta deal was found by Cheapflights users on 12/20. 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 12/319:50 amMDW - IST
2 stops22h 05mDelta
Sun 5/316:00 amIST - MDW
2 stops20h 31mDelta
Deal found 12/20$1,229
This Delta deal was found by Cheapflights users on 12/20. 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 12/299:29 amMDW - IST
2 stops33h 21mDelta
Mon 1/55:55 pmIST - MDW
2 stops31h 34mDelta
Deal found 12/20$1,544
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Tue 12/236:14 amMDW - IST
1 stop18h 46mMultiple Airlines
Sat 1/1010:00 pmIST - MDW
2 stops33h 59mMultiple Airlines
Deal found 12/20$1,766
This Delta deal was found by Cheapflights users on 12/20. 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 12/286:08 pmMDW - IST
2 stops24h 42mDelta
Mon 1/55:55 pmIST - MDW
2 stops37h 12mDelta
Deal found 12/20$1,819
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Tue 12/306:14 amMDW - IST
1 stop18h 46mMultiple Airlines
Sat 1/108:40 amIST - MDW
1 stop22h 47mMultiple Airlines
Deal found 12/20$1,930
This Delta deal was found by Cheapflights users on 12/20. 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.
Tue 12/309:29 amMDW - IST
2 stops22h 26mDelta
Sat 1/105:55 pmIST - MDW
2 stops31h 34mDelta
Deal found 12/20$2,187

Find 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 December 21, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$662
(oojo)

One-way from

$487
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,179

Good round-trip deal

$697 or less

Good one-way deal

$554 or less
Provider with most accurate pricing for Chicago (CHI)-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Istanbul flights.
Search Deals
From Chicago (CHI) to Istanbul
Search Deals
One-way flight from Chicago (CHI) to Istanbul
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($169 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Istanbul.
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Istanbul.
Search Deals

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 December 21, 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

Sat 2/21

6:30 pm-11:35 pm

1 stop20h 05m

Istanbul

Fri 2/27

12:05 pm-5:20 pm

1 stop14h 15m

$689

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 1/14

6:30 pm-11:35 pm

1 stop20h 05m

Istanbul

Mon 1/26

12:05 pm-5:20 pm

1 stop14h 15m

$689

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 2/4

4:25 pm-4:55 pm

1 stop15h 30m

Istanbul

Sat 2/21

4:50 am-3:10 pm

1 stop19h 20m

$725

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 1/18

1:55 pm-4:55 pm

2 stops18h 00m

Istanbul

Wed 1/28

4:50 am-3:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 1/24

5:35 pm-4:55 pm

2 stops14h 20m

Istanbul

Sun 2/1

4:50 am-3:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 1/17

2:30 pm-4:55 pm

2 stops17h 25m

Istanbul

Wed 1/21

4:50 am-3:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 1/29

1:58 pm-4:55 pm

2 stops17h 57m

Istanbul

Sat 2/7

4:50 am-3:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 3/4

2:46 pm-4:55 pm

2 stops17h 09m

Istanbul

Mon 3/16

4:50 am-4:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 1/21

1:57 pm-4:55 pm

2 stops17h 58m

Istanbul

Sat 1/24

4:50 am-3:10 pm

1 stop19h 20m

$729

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 1/18

1:55 pm-4:55 pm

2 stops18h 00m

Istanbul

Sat 1/24

4:50 am-3:10 pm

1 stop19h 20m

$729

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Showing 1-10 of 37 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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust 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 Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago-Istanbul Airport flight deals on Cheapflights vs. Justfly.com >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 Justfly.com the most. Justfly.com 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 December 12, 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 77 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, February is the cheapest month in which you can book a flight from Chicago to Istanbul Airport (average of $418). Flying from Chicago to Istanbul Airport in June is currently the most expensive (average of $851). 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 December 21, 2025.

It’s optimal to fly from Chicago to Istanbul Airport in the evening. By choosing this option you can save up to 53% 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 December 16, 2024.

Travelers seeking maximum savings on their Chicago 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 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 December 21, 2025.

The most flights from CHI to IST are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, 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 Airport?

What’s the top layover airport for flights from Chicago to Istanbul Airport?

Share of 1-stop round-trip flights from Chicago 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 52% of 1-stop itineraries from Chicago to Istanbul Airport on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Istanbul Airport?

Average round-trip fare for 1-stop flights from Chicago 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 $533.

What’s the fastest layover option from Chicago to Istanbul Airport?

Shortest average travel time for 1-stop one-way flights from Chicago 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: 13h 51m.

Which airport typically offers the quickest layover for flights from Chicago to Istanbul Airport?

Average layover duration for 1-stop one-way flights from Chicago 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.

How often are flights from Chicago to Istanbul delayed?

About 22% of weekly flights between Chicago and Istanbul have experienced delays in the past year, with the average delay time being 196 minutes.

What is the most punctual flight time for Chicago to Istanbul flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Chicago to Istanbul flights?

Over the last year, Turkish Airlines have had the lowest number of delays on this route, with just 22% of flights being delayed.

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 December 21, 2025.
Peruse reviews from past customers who have flown with LOT, Turkish Airlines, and Icelandair from Chicago to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,153 reviews
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Turkish Airlines
7.3
Good
4,107 reviews
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Icelandair
7.0
Good
592 reviews
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,639 reviews
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,601 reviews
LOT
7.5
Good
1,153 reviews

Boarding

7.6

Comfort

7.5

Food

7.1

Overall

7.5

Crew

8.2

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Rami,Sep 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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 Airport?

    A quick flight from Chicago to Istanbul Airport can take about 15h 30m. Icelandair provides one of the quickest options available for as low as $725. The distance from Chicago to Istanbul Airport is about 5455 mi. This flight may include one or multiple stops.

  • 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 $382. Other airlines that can offer you cheap pricing are Icelandair, from $421, and Turkish Airlines, from $557. Air Serbia is 62% 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 $328. Air Serbia flights start at $443 while deals on Royal Jordanian start at $447 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: Pakistan International Airlines (68%), MIAT Mongolian (68%), Turkish Airlines( 56%).

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

    The cheapest flight price from Chicago to Istanbul Airport is $440. On average you can expect to pay $1,650. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $632.

  • 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, February is the cheapest month in which you can book a flight from Chicago to Istanbul Airport (average of $418). Flying from Chicago to Istanbul Airport in June is currently the most expensive (average of $851). 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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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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$421Average$658FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$422Average$916FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$664Average$1,014FlexibilityNo cancel feeOn-time77%
KLMCheapest$719Average$775FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$742Average$791FlexibilityNo cancel feeOn-time61%
LOTCheapest$746Average$1,058FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$757Average$865FlexibilityNo cancel feeOn-time75%
DeltaCheapest$774Average$1,118FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$777Average$1,150FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$791Average$1,120FlexibilityNo cancel feeOn-time69%

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