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$249+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
1 adult, Economy
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Cheap 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 February 20, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:15 pm
STL
-
IST
2 stops17h 10m
United Airlines
Wed 4/225:40 am
IST
-
STL
1 stop15h 45m
United Airlines
Deal found 2/18$568
This Justfly.com deal was found by Cheapflights users on 2/17. 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.
Mon 4/276:35 pm
STL
-
IST
2 stops34h 25m
Lufthansa
Mon 5/43:45 am
IST
-
STL
2 stops28h 12m
Lufthansa
Deal found 2/17$571
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:15 pm
STL
-
IST
2 stops17h 20m
United Airlines
Tue 4/281:55 pm
IST
-
STL
2 stops26h 30m
United Airlines
Deal found 2/18$579
This Mytrip deal was found by Cheapflights users on 2/17. 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.
Mon 4/274:05 pm
STL
-
IST
2 stops36h 55m
Multiple Airlines
Tue 5/55:50 pm
IST
-
STL
1 stop27h 35m
Multiple Airlines
Deal found 2/17$585
This Justfly.com deal was found by Cheapflights users on 2/17. 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.
Wed 4/83:30 pm
STL
-
IST
1 stop21h 55m
Lufthansa
Mon 4/205:55 pm
IST
-
STL
2 stops38h 02m
Lufthansa
Deal found 2/17$587
This United Airlines deal was found by Cheapflights users on 2/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:50 pm
STL
-
IST
1 stop21h 55m
United Airlines
Wed 4/15:40 am
IST
-
STL
1 stop15h 45m
United Airlines
Deal found 2/18$589
This Delta deal was found by Cheapflights users on 2/17. 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 4/81:39 pm
STL
-
IST
2 stops29h 51m
Delta
Mon 4/205:20 pm
IST
-
STL
2 stops31h 30m
Delta
Deal found 2/17$590
This FlightHub deal was found by Cheapflights users on 2/17. 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 4/216:35 pm
STL
-
IST
2 stops42h 50m
Lufthansa
Mon 4/275:55 pm
IST
-
STL
2 stops35h 13m
Lufthansa
Deal found 2/17$592
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/186:00 am
STL
-
IST
2 stops32h 45m
United Airlines
Wed 4/155:40 am
IST
-
STL
1 stop15h 45m
United Airlines
Deal found 2/17$593
This KAYAK deal was found by Cheapflights users on 2/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/224:50 pm
STL
-
IST
1 stop21h 55m
Lufthansa
Fri 4/35:40 am
IST
-
STL
1 stop15h 45m
Lufthansa
Deal found 2/18$594
This KAYAK deal was found by Cheapflights users on 2/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:00 pm
STL
-
IST
2 stops19h 45m
Lufthansa
Wed 4/15:40 am
IST
-
STL
1 stop15h 45m
Lufthansa
Deal found 2/18$598
This KLM deal was found by Cheapflights users on 2/17. 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.
Mon 4/275:35 pm
STL
-
SAW
2 stops15h 30m
KLM
Tue 5/58:50 am
SAW
-
STL
2 stops37h 39m
KLM
Deal found 2/17$609

Find flight deals from Illinois to Turkey

Keep the following information in mind while searching for Illinois to Turkey flight deals. Data was last updated February 20, 2026.

Round-trip from

$568
(United Airlines)

One-way from

$249
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$793

Good round-trip deal

$676 or less

Good one-way deal

$499 or less
From Illinois to Turkey
Search Deals
One-way flight from Illinois to Turkey
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($190 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Turkey.
Search Deals
Price to beat on a one-way flight from Illinois to Turkey.
Search Deals

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 February 20, 2026.
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 4/15

8:15 pm-9:25 pm

2 stops17h 10m

Istanbul

Wed 4/22

5:40 am-1:25 pm

1 stop15h 45m

$568

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 4/12

8:15 pm-9:35 pm

2 stops17h 20m

Istanbul

Tue 4/28

1:55 pm-8:25 am

2 stops26h 30m

$579

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/22

4:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 4/1

5:40 am-1:25 pm

1 stop15h 45m

$589

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 4/8

1:39 pm-3:30 am

2 stops29h 51m

Istanbul

Mon 4/20

5:20 pm-4:50 pm

2 stops31h 30m

$590

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 3/24

3:30 pm-10:45 pm

2 stops23h 15m

Istanbul

Wed 4/1

5:40 am-1:25 pm

1 stop15h 45m

$593

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/22

4:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Thu 4/2

5:40 am-10:56 pm

2 stops25h 16m

$599

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 3/24

3:30 pm-10:45 pm

2 stops23h 15m

Istanbul

Tue 4/7

5:40 am-10:28 pm

2 stops24h 48m

$604

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 3/23

7:00 pm-10:45 pm

2 stops19h 45m

Istanbul

Wed 4/8

5:40 am-10:56 pm

2 stops25h 16m

$604

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Mon 3/23

7:00 pm-10:45 pm

2 stops19h 45m

Istanbul

Tue 3/31

3:45 am-9:08 pm

2 stops25h 23m

$608

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Mon 4/27

5:35 pm-5:05 pm

2 stops15h 30m

Istanbul Sabiha Gokcen

Tue 5/5

8:50 am-2:29 pm

2 stops37h 39m

$609

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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, April is the cheapest month in which you can book a flight from Illinois to Turkey (average of $423). Flying from Illinois to Turkey in June is currently the most expensive (average of $839). 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 February 20, 2026.

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 February 20, 2026.

The most flights from USIL to TR0 are scheduled on a Wednesday (10 on average). You will have fewer flight options on Monday, 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?

    United Airlines, Lufthansa, and KLM can get you from Illinois to Turkey in just under 15h 30m. Your travel time can differ by up to 18h 55m. 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.

  • What are the cheapest airlines to fly from Illinois to Turkey one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $319. Scandinavian Airlines flights start at $377 while deals on Air Serbia start at $443 one-way.

  • 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, April is the cheapest month in which you can book a flight from Illinois to Turkey (average of $423). Flying from Illinois to Turkey in June is currently the most expensive (average of $839). 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

Browse thousands of different options on Cheapflights for your next trip

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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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Royal JordanianCheapest$127Average$782FlexibilityNo cancel feeOn-time61%
IcelandairCheapest$421Average$655FlexibilityNo cancel feeOn-time76%
Air SerbiaCheapest$422Average$858FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$521Average$598FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$524Average$989FlexibilityNo cancel feeOn-time71%
DeltaCheapest$586Average$1,111FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$604Average$1,167FlexibilityNo cancel feeOn-time77%
KLMCheapest$719Average$775FlexibilityNo cancel feeOn-time75%
LOTCheapest$757Average$1,053FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$757Average$852FlexibilityNo cancel feeOn-time75%

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