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$253+ Cheap flights from Illinois to Turkey

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Illinois to Turkey

Keep the following information in mind while searching for Illinois to Turkey flight deals. Data was last updated September 17, 2025.

Round-trip from

$625
(United Airlines)

One-way from

$253
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$951

Good round-trip deal

$700 or less

Good one-way deal

$382 or less
From Illinois to Turkey
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One-way flight from Illinois to Turkey
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Highest demand for flights based on searches. 14% potential increase in price ($178 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Illinois to Turkey.
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Price to beat on a one-way flight from Illinois to Turkey.
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Find flight deals from Illinois to Turkey

Cheapest flights from Illinois to Turkey
Explore the most affordable flight options available from Illinois to Turkey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Lufthansa deal was found by Cheapflights users on 9/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmSTL - IST
1 stop21h 55mLufthansa
Wed 11/196:30 amIST - STL
1 stop16h 25mLufthansa
Deal found 9/15$577
This Lufthansa deal was found by Cheapflights users on 9/15. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmSTL - IST
1 stop21h 55mLufthansa
Tue 11/186:30 amIST - STL
2 stops20h 09mLufthansa
Deal found 9/15$613
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/53:50 pmSTL - IST
1 stop21h 55mUnited Airlines
Fri 11/216:30 amIST - STL
1 stop16h 25mUnited Airlines
Deal found 9/15$625
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/35:24 pmSTL - IST
2 stops20h 21mUnited Airlines
Fri 11/216:30 amIST - STL
1 stop16h 25mUnited Airlines
Deal found 9/15$629
This Lufthansa deal was found by Cheapflights users on 9/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:50 pmSTL - IST
1 stop17h 15mLufthansa
Tue 12/27:00 pmIST - STL
1 stop27h 55mLufthansa
Deal found 9/16$630
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/163:50 pmSTL - IST
1 stop21h 55mMultiple Airlines
Mon 12/11:50 pmIST - STL
2 stops58h 39mMultiple Airlines
Deal found 9/16$633
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:49 amSTL - IST
2 stops25h 56mLufthansa
Fri 11/216:30 amIST - STL
1 stop16h 25mLufthansa
Deal found 9/15$634
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/53:50 pmSTL - IST
1 stop21h 55mUnited Airlines
Thu 11/206:30 amIST - STL
2 stops21h 17mUnited Airlines
Deal found 9/15$635
This United deal was found by Cheapflights users on 9/16. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/264:50 pmSTL - IST
1 stop21h 55mMultiple Airlines
Mon 11/37:40 pmIST - STL
2 stops52h 49mMultiple Airlines
Deal found 9/16$636
This Delta deal was found by Cheapflights users on 9/15. 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 11/210:45 amSTL - IST
2 stops32h 05mDelta
Wed 11/194:50 amIST - STL
2 stops21h 19mDelta
Deal found 9/15$637
This KLM deal was found by Cheapflights users on 9/15. 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.
Wed 11/55:15 pmSTL - SAW
2 stops19h 05mKLM
Thu 11/2012:55 pmSAW - STL
2 stops19h 45mKLM
Deal found 9/15$684
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Sun 11/26:30 pmORD - AYT
2 stops18h 55mMultiple Airlines
Tue 11/115:35 amAYT - ORD
3 stops20h 45mMultiple Airlines
Deal found 9/15$696

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Turkey 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 September 17, 2025.
Use the filters below to find and compare flights from Illinois to Turkey that are best for you.

Fly from

Illinois

Fly to

Turkey

Route

Depart

Return

Price

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 11/5

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Tue 11/18

6:30 am-5:39 pm

2 stops20h 09m

$613

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 11/5

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Fri 11/21

6:30 am-1:55 pm

1 stop16h 25m

$625

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 11/19

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 12/3

6:30 am-1:55 pm

1 stop16h 25m

$625

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 11/18

12:31 pm-5:45 pm

2 stops20h 14m

Istanbul

Wed 12/3

6:30 am-1:55 pm

1 stop16h 25m

$626

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/16

5:24 pm-10:45 pm

2 stops20h 21m

Istanbul

Wed 12/3

6:30 am-1:55 pm

1 stop16h 25m

$626

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 11/4

1:35 pm-5:45 pm

2 stops19h 10m

Istanbul

Wed 11/19

6:30 am-1:55 pm

1 stop16h 25m

$629

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 11/4

1:35 pm-5:45 pm

2 stops19h 10m

Istanbul

Fri 11/21

6:30 am-1:55 pm

1 stop16h 25m

$629

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 11/3

5:24 pm-10:45 pm

2 stops20h 21m

Istanbul

Fri 11/21

6:30 am-1:55 pm

1 stop16h 25m

$629

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 11/3

6:43 pm-10:45 pm

2 stops19h 02m

Istanbul

Wed 11/19

6:30 am-1:55 pm

1 stop16h 25m

$629

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 11/16

3:50 pm-6:05 pm

1 stop17h 15m

Istanbul

Tue 12/2

7:00 pm-1:55 pm

1 stop27h 55m

$630

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Turkey

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Turkey (average of $910). Flying from Illinois to Turkey in June is currently the most expensive (average of $1,358). 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 IL to TR?

Find hourly flight availability from Illinois to Turkey. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

Weekly flight availability from Illinois to Turkey

Explore weekly flight availability from Illinois to Turkey. 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 September 17, 2025.

The most flights from USIL to TR0 are scheduled on a Monday (13 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Related info for your journey

Find useful and relevant information for your journey from Illinois to Turkey. 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 Illinois to Turkey?

    Lufthansa, United Airlines, and KLM can get you from Illinois to Turkey in just under 19h 05m. Your travel time can differ by up to 2h 50m. Illinois and Turkey are separated by a distance of 5746 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Turkey 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 Illinois to Turkey?

    Currently, October is the cheapest month in which you can book a flight from Illinois to Turkey (average of $910). Flying from Illinois to Turkey in June is currently the most expensive (average of $1,358). 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 Illinois to Turkey

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Turkey

Discover the top 10 airlines that operate flights from Illinois to Turkey. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$382Average$1,026FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$517Average$759FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$633Average$1,213FlexibilityNo cancel feeOn-time77%
DeltaCheapest$653Average$1,103FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$660Average$867FlexibilityNo cancel feeOn-time70%
LOTCheapest$683Average$985FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$700Average$934FlexibilityNo cancel feeOn-time71%
Etihad AirwaysCheapest$721Average$857FlexibilityNo cancel feeOn-time75%
KLMCheapest$753Average$930FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$769Average$828FlexibilityNo cancel feeOn-time61%

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