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$416+ Cheap flights from Istanbul (IST) to Illinois

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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
huhti 5 — huhti 121
la 4/5
la 4/12
1 adult, Economy
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Cheap flight deals from Istanbul to Illinois

Keep the following information in mind while searching for Istanbul to Illinois flight deals. Data was last updated maaliskuu 31, 2025.

Round-trip from

$586
(KLM)

One-way from

$416
(Kiwi.com)

Popular in

August

Cheapest in

April

Average price

$792

Good round-trip deal

$674 or less

Good one-way deal

$603 or less
From Istanbul to Illinois
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One-way flight from Istanbul to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Istanbul to Illinois.
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Price to beat on a one-way flight from Istanbul to Illinois.
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Find flight deals from Istanbul to Illinois

Cheapest flights from Istanbul to Illinois
Explore the most affordable flight options available from Istanbul to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maaliskuu 31, 2025.

This KLM deal was found by Cheapflights users on 3/30. 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.
la 4/125:05 pmIST - ORD
1 stop29h 05mKLM
la 4/194:20 pmORD - IST
1 stop16h 00mKLM
Deal found 3/30$586
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 5/132:00 pmIST - ORD
1 stop13h 55mLufthansa
ke 5/283:10 pmORD - IST
1 stop22h 10mLufthansa
Deal found 3/30$601
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/17:55 pmIST - ORD
1 stop25h 55mMultiple Airlines
ma 5/1910:25 pmORD - IST
1 stop18h 05mMultiple Airlines
Deal found 3/30$602
This British Airways deal was found by Cheapflights users on 3/30. 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.
su 5/188:15 amIST - ORD
1 stop15h 40mBritish Airways
ma 7/78:35 pmORD - IST
1 stop19h 55mBritish Airways
Deal found 3/30$604
This United Airlines deal was found by Cheapflights users on 3/30. 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.
ti 5/132:00 pmIST - ORD
2 stops27h 42mUnited Airlines
ke 5/288:40 amORD - IST
2 stops28h 40mUnited Airlines
Deal found 3/30$608
This FlightHub deal was found by Cheapflights users on 3/31. 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.
la 9/1311:25 amIST - ORD
2 stops35h 45mLOT
pe 9/264:55 pmORD - IST
1 stop33h 35mLOT
Deal found 3/31$610
This Air Canada deal was found by Cheapflights users on 3/30. 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.
ma 7/218:25 pmIST - ORD
2 stops31h 51mAir Canada
ke 8/2710:00 amORD - IST
2 stops19h 05mAir Canada
Deal found 3/30$627
This Delta deal was found by Cheapflights users on 3/31. 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.
ti 4/14:20 amIST - ORD
1 stop18h 40mDelta
ti 4/82:10 pmORD - IST
2 stops29h 15mDelta
Deal found 3/31$647
This Delta deal was found by Cheapflights users on 3/31. 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.
ti 9/94:20 amIST - MDW
2 stops21h 38mDelta
ma 9/293:40 pmMDW - IST
2 stops27h 45mDelta
Deal found 3/31$650
This oojo deal was found by Cheapflights users on 3/30. 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.
to 4/106:30 amIST - ORD
Nonstop11h 10mTurkish Airlines
to 4/177:50 pmORD - IST
Nonstop10h 50mTurkish Airlines
Deal found 3/30$652
This Aeromexico deal was found by Cheapflights users on 3/31. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 4/294:20 amIST - MDW
2 stops20h 59mAir France
ti 5/131:55 pmMDW - IST
2 stops29h 30mAir France
Deal found 3/31$661
This flugladen.de deal was found by Cheapflights users on 3/30. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 4/174:20 amIST - MDW
2 stops21h 39mKLM
pe 5/21:16 pmMDW - IST
2 stops19h 04mKLM
Deal found 3/30$680

Cheapflights Fare Finder

Customize your flight search to find flights from Istanbul to Illinois 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 maaliskuu 31, 2025.
Use the filters below to find and compare flights from Istanbul Airport to Illinois that are best for you.

Fly from

Istanbul

Fly to

Illinois

Route

Depart

Return

Price

IstanbulChicago

IST - ORD

ISTORD

Istanbul

la 4/12

5:05 pm-2:10 pm

1 stop29h 05m

Chicago O'Hare Intl

la 4/19

4:20 pm-4:20 pm

1 stop16h 00m

$586

IstanbulChicago

IST - ORD

ISTORD

Istanbul

to 5/1

7:55 pm-11:45 am

1 stop23h 50m

Chicago O'Hare Intl

ma 5/19

10:25 pm-12:30 am

1 stop18h 05m

$595

IstanbulChicago

IST - ORD

ISTORD

Istanbul

ti 5/13

2:00 pm-7:55 pm

1 stop13h 55m

Chicago O'Hare Intl

ke 5/28

3:10 pm-9:20 pm

1 stop22h 10m

$601

IstanbulChicago

IST - ORD

ISTORD

Istanbul

ti 4/15

8:15 am-3:55 pm

1 stop15h 40m

Chicago O'Hare Intl

su 5/18

10:25 pm-12:25 am

1 stop18h 00m

$604

IstanbulChicago

IST - ORD

ISTORD

Istanbul

ti 4/15

2:00 pm-7:35 am

2 stops25h 35m

Chicago O'Hare Intl

to 5/8

10:30 pm-9:20 pm

1 stop14h 50m

$608

IstanbulChicago

IST - ORD

ISTORD

Istanbul

la 9/13

11:25 am-3:10 pm

2 stops35h 45m

Chicago O'Hare Intl

pe 9/26

4:55 pm-10:30 am

1 stop33h 35m

$610

IstanbulChicago

IST - ORD

ISTORD

Istanbul

ma 7/21

8:25 pm-8:16 pm

2 stops31h 51m

Chicago O'Hare Intl

ke 8/27

10:00 am-1:05 pm

2 stops19h 05m

$627

IstanbulChicago

IST - MDW

ISTMDW

Istanbul

ti 9/9

4:20 am-5:58 pm

2 stops21h 38m

Chicago Midway

ma 9/29

3:40 pm-3:25 am

2 stops27h 45m

$650

IstanbulChicago

IST - ORD

ISTORD

Istanbul

to 4/10

6:30 am-9:40 am

Nonstop11h 10m

Chicago O'Hare Intl

to 4/17

7:50 pm-2:40 pm

Nonstop10h 50m

$652

IstanbulChicago

IST - ORD

ISTORD

Istanbul

ti 4/29

5:05 pm-4:11 pm

2 stops31h 06m

Chicago O'Hare Intl

ti 5/6

5:05 pm-3:25 am

2 stops26h 20m

$653

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 31 results
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Best time to book a flight from Istanbul to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Illinois (average of $245). Flying from Istanbul Airport to Illinois in March is currently the most expensive (average of $323). 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 IST to IL?

Find hourly flight availability from Istanbul to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated maaliskuu 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Istanbul Airport to Illinois as you normally would.

Weekly flight availability from Istanbul Airport to Illinois

Explore weekly flight availability from Istanbul to Illinois. 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 maaliskuu 31, 2025.

The most flights from IST to USIL 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).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated maaliskuu 31, 2025.
Read reviews from past customers who have flown Emirates, Delta and KLM from Istanbul to Illinois. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.0
Very good
3,192 reviews
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very good
7,899 reviews
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,321 reviews
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,065 reviews
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
China Southern
7.5
Good
94 reviews
Emirates
8.0
Very good
3,192 reviews

Entertainment

8.2

Boarding

8.1

Crew

8.3

Comfort

8.0

Overall

8.0

Food

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to Illinois. 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 to fly from Istanbul Airport to Illinois one-way?

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at $417. Royal Jordanian flights start at $504 while deals on Turkish Airlines start at $581 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Istanbul Airport to Illinois consider choosing MIAT Mongolian (83%), Uzbekistan Airways (77%) or Pakistan International Airlines (77%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Istanbul Airport to Illinois? While on average our users pay $1,248, our data indicates the cheapest price to be $602. The most popular route (Istanbul - Chicago O'Hare Intl), is priced around $522.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Istanbul to Illinois 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 Istanbul Airport to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Istanbul Airport to Illinois (average of $245). Flying from Istanbul Airport to Illinois in March is currently the most expensive (average of $323). 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

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Alternative routes for Istanbul to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Istanbul to Orlando flights
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Istanbul to Austin flights
Sabiha Gokcen to Charlotte flights

Top 7 airlines flying from Istanbul to Illinois

Discover the top 7 airlines that operate flights from Istanbul to Illinois. 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 maaliskuu 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$452Average$582FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$497Average$634FlexibilityNo cancel feeOn-time70%
LOTCheapest$513Average$650FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$573Average$598FlexibilityNo cancel feeOn-time71%
LufthansaCheapest$588Average$833FlexibilityNo cancel feeOn-time76%
DeltaCheapest$614Average$639FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$702Average$922FlexibilityNo cancel feeOn-time77%
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