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$435+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 Sunday or Wednesday 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 junio 12, 2025.

Round-trip from

$919
(Icelandair)

One-way from

$436
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,382

Good round-trip deal

$855 or less

Good one-way deal

$578 or less
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. 15% potential increase in price ($192 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 June 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 junio 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/122:00 pmORD - IST
2 stops20h 25mMultiple Airlines
vie. 12/266:30 amIST - ORD
1 stop15h 40mMultiple Airlines
Deal found 6/12$918
This Icelandair deal was found by Cheapflights users on 6/10. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:15 pmORD - IST
1 stop17h 40mIcelandair
lun. 10/1312:25 pmIST - ORD
1 stop13h 50mIcelandair
Deal found 6/10$919
This FlightHub deal was found by Cheapflights users on 6/10. 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.
lun. 8/49:40 pmORD - IST
1 stop18h 10mLOT
mié. 8/135:30 pmIST - ORD
1 stop29h 40mLOT
Deal found 6/10$920
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/135:10 pmORD - IST
1 stop26h 15mDelta
mar. 8/125:05 pmIST - ORD
1 stop29h 35mDelta
Deal found 6/10$922
This FlightHub deal was found by Cheapflights users on 6/10. 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.
dom. 8/2411:25 amORD - IST
Nonstop10h 20mTurkish Airlines
lun. 9/16:45 pmIST - ORD
Nonstop11h 15mTurkish Airlines
Deal found 6/10$924
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/239:30 amMDW - IST
2 stops22h 50mDelta
vie. 10/34:20 amIST - MDW
2 stops22h 16mDelta
Deal found 6/9$924
This Air France deal was found by Cheapflights users on 6/9. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/42:00 pmORD - IST
2 stops18h 20mKLM
vie. 7/184:20 amIST - ORD
2 stops17h 50mKLM
Deal found 6/9$926
This Kiwi.com deal was found by Cheapflights users on 6/11. 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.
mar. 7/85:10 pmORD - IST
1 stop26h 15mAir France
vie. 7/254:20 amIST - ORD
2 stops17h 50mAir France
Deal found 6/11$930
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/283:50 pmORD - IST
2 stops17h 10mAir Canada
jue. 10/237:15 amIST - ORD
2 stops33h 53mAir Canada
Deal found 6/11$943
This deal was found by Cheapflights users on 6/10. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2210:30 pmORD - IST
1 stop14h 50mLufthansa
mié. 9/242:00 pmIST - ORD
1 stop13h 55mLufthansa
Deal found 6/10$946
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/97:10 pmORD - IST
1 stop16h 15mBritish Airways
vie. 10/178:20 amIST - ORD
1 stop15h 35mBritish Airways
Deal found 6/11$947
This United Airlines deal was found by Cheapflights users on 6/12. 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.
dom. 7/2010:30 pmORD - IST
1 stop14h 50mUnited Airlines
mar. 8/56:10 amIST - ORD
1 stop14h 45mUnited Airlines
Deal found 6/12$996

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 junio 12, 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

mié. 10/8

10:15 pm-11:55 pm

1 stop17h 40m

Istanbul

lun. 10/13

12:25 pm-6:15 pm

1 stop13h 50m

$919

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

lun. 8/4

9:40 pm-11:50 pm

1 stop18h 10m

Istanbul

mié. 8/13

5:30 pm-3:10 pm

1 stop29h 40m

$920

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

dom. 7/6

4:20 pm-4:20 pm

1 stop16h 00m

Istanbul

sáb. 7/19

4:20 am-2:10 pm

2 stops17h 50m

$921

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

dom. 7/13

5:10 pm-3:25 am

1 stop26h 15m

Istanbul

mar. 8/12

5:05 pm-2:40 pm

1 stop29h 35m

$922

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

dom. 8/24

11:25 am-5:45 am

Nonstop10h 20m

Istanbul

lun. 9/1

6:45 pm-10:00 pm

Nonstop11h 15m

$924

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

vie. 7/4

2:00 pm-4:20 pm

2 stops18h 20m

Istanbul

vie. 7/18

4:20 am-2:10 pm

2 stops17h 50m

$926

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

mar. 7/8

5:10 pm-3:25 am

1 stop26h 15m

Istanbul

vie. 7/25

4:20 am-2:10 pm

2 stops17h 50m

$930

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

jue. 8/28

3:50 pm-5:00 pm

2 stops17h 10m

Istanbul

jue. 10/23

7:15 am-9:08 am

2 stops33h 53m

$943

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

vie. 8/22

10:30 pm-9:20 pm

1 stop14h 50m

Istanbul

mié. 9/24

2:00 pm-7:55 pm

1 stop13h 55m

$946

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

jue. 10/9

7:10 pm-7:25 pm

1 stop16h 15m

Istanbul

vie. 10/17

8:20 am-3:55 pm

1 stop15h 35m

$947

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 30 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 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 June 9, 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 $1,374). 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 junio 12, 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 December 16, 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 junio 12, 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM and LOT 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
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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
1,077 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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!
Qatar Airways
7.4
Good
3,584 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

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 Airport round-trip?

    Cheapflights users have booked flights from Chicago to Istanbul Airport round-trip from $919. Other airlines that can offer you cheap pricing are LOT, from $920, and Delta, from $922. Icelandair is 12% 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 $441. Icelandair flights start at $458 while deals on Royal Jordanian start at $468 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: Uzbekistan Airways (52%), Turkish Airlines (52%), Pakistan International Airlines( 52%).

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

    The cheapest flight price from Chicago to Istanbul Airport is $358. On average you can expect to pay $2,750. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $759.

  • 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 $1,374). 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$364Average$1,095FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$776FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$623Average$1,097FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$965FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$700Average$938FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$703Average$935FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$721Average$865FlexibilityNo cancel feeOn-time75%
DeltaCheapest$729Average$1,046FlexibilityNo cancel feeOn-timeN/A
Royal JordanianCheapest$747Average$842FlexibilityNo cancel feeOn-time61%
LufthansaCheapest$769Average$1,153FlexibilityNo cancel feeOn-time76%

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