HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Turkey

$283+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Turkey with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 22, 2026.

This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1111:05 am
STL
-
IST
2 stops21h 20m
British Airways
Tue 2/172:55 pm
IST
-
STL
2 stops39h 17m
British Airways
Deal found 1/20$529
This oojo deal was found by Cheapflights users on 1/22. 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.
Tue 2/38:31 am
STL
-
IST
2 stops24h 14m
British Airways
Tue 2/177:35 am
IST
-
STL
2 stops22h 37m
British Airways
Deal found 1/22$530
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Sun 3/12:19 pm
STL
-
IST
2 stops18h 06m
American Airlines
Tue 3/177:35 am
IST
-
STL
2 stops21h 46m
American Airlines
Deal found 1/22$536
This United Airlines deal was found by Cheapflights users on 1/22. 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 3/184:05 pm
STL
-
IST
2 stops22h 40m
United Airlines
Wed 4/155:40 am
IST
-
STL
1 stop15h 45m
United Airlines
Deal found 1/22$541
This Lufthansa deal was found by Cheapflights users on 1/22. 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 3/13:50 pm
STL
-
IST
1 stop21h 55m
Lufthansa
Tue 3/176:30 am
IST
-
STL
2 stops25h 21m
Lufthansa
Deal found 1/22$543
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 2/1111:05 am
STL
-
IST
2 stops21h 20m
American Airlines
Tue 2/177:35 am
IST
-
STL
2 stops25h 13m
American Airlines
Deal found 1/21$545
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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.
Wed 3/186:50 pm
STL
-
IST
2 stops21h 35m
British Airways
Wed 4/158:15 am
IST
-
STL
2 stops22h 49m
British Airways
Deal found 1/21$546
This Iberia deal was found by Cheapflights users on 1/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:46 am
STL
-
IST
2 stops21h 39m
Multiple Airlines
Wed 4/158:15 am
IST
-
STL
2 stops21h 59m
Multiple Airlines
Deal found 1/21$547
This KAYAK deal was found by Cheapflights users on 1/21. 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.
Tue 3/179:00 am
STL
-
IST
2 stops29h 45m
Lufthansa
Wed 4/155:40 am
IST
-
STL
1 stop15h 45m
Lufthansa
Deal found 1/21$548
This oojo deal was found by Cheapflights users on 1/22. 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.
Sun 3/16:00 am
STL
-
IST
2 stops26h 25m
British Airways
Sat 3/72:55 pm
IST
-
STL
2 stops38h 16m
British Airways
Deal found 1/22$555
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
-
IST
1 stop21h 55m
Lufthansa
Wed 4/155:40 am
IST
-
STL
1 stop15h 45m
Lufthansa
Deal found 1/20$557
This KLM deal was found by Cheapflights users on 1/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/181:39 pm
STL
-
SAW
2 stops19h 46m
KLM
Wed 4/158:50 am
SAW
-
STL
2 stops22h 22m
KLM
Deal found 1/20$608

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 January 22, 2026.

Round-trip from

$529
(oojo)

One-way from

$283
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$946

Good round-trip deal

$699 or less

Good one-way deal

$519 or less
From Illinois to Turkey
Search Deals
One-way flight from Illinois to Turkey
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 22, 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 2/11

6:00 am-5:25 pm

2 stops26h 25m

Istanbul

Tue 2/17

7:35 am-9:12 pm

2 stops22h 37m

$530

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/1

2:19 pm-5:25 pm

2 stops18h 06m

Istanbul

Tue 3/17

7:35 am-9:21 pm

2 stops21h 46m

$536

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/18

6:00 am-10:45 pm

2 stops32h 45m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$536

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 3/1

3:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Tue 3/17

6:30 am-11:51 pm

2 stops25h 21m

$543

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/18

4:05 pm-12:25 am

2 stops24h 20m

Istanbul

Wed 4/15

8:15 am-10:14 pm

2 stops21h 59m

$546

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 3/17

9:00 am-10:45 pm

2 stops29h 45m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$548

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/18

4:50 pm-10:45 pm

1 stop21h 55m

Istanbul

Wed 4/15

5:40 am-1:25 pm

1 stop15h 45m

$557

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Tue 3/17

4:05 pm-10:45 pm

2 stops22h 40m

Istanbul

Tue 4/14

5:50 pm-1:25 pm

1 stop27h 35m

$572

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Wed 3/18

6:50 pm-12:25 am

2 stops21h 35m

Istanbul

Tue 4/14

8:15 am-10:14 pm

2 stops21h 59m

$573

St. LouisIstanbul

STL - SAW

STLSAW

Lambert-St Louis

Wed 3/18

1:39 pm-5:25 pm

2 stops19h 46m

Istanbul Sabiha Gokcen

Wed 4/15

8:50 am-11:12 pm

2 stops22h 22m

$608

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
1
2
3
...
6

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, February is the cheapest month in which you can book a flight from Illinois to Turkey (average of $418). Flying from Illinois to Turkey in June is currently the most expensive (average of $842). 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 January 22, 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 January 22, 2026.

The most flights from USIL to TR0 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).

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?

    British Airways, American Airlines, and United Airlines can get you from Illinois to Turkey in just under 18h 06m. Your travel time can differ by up to 14h 39m. Illinois and Turkey are separated by a distance of 5707 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 $320. 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, February is the cheapest month in which you can book a flight from Illinois to Turkey (average of $418). Flying from Illinois to Turkey in June is currently the most expensive (average of $842). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Turkey

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
Boston to Heathrow flights
John F Kennedy Intl to Lisbon flights
Newark to Lisbon flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to Istanbul flights
John F Kennedy Intl to London City flights
Newark to Athens flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Madrid flights
Newark to Barcelona-El Prat flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Barcelona-El Prat flights
Newark to Madrid flights
Newark to Dublin flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Boston to Charles de Gaulle flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Gatwick flights
Los Angeles to Charles de Gaulle flights
Dallas/Fort Worth to Heathrow flights
Dulles Intl to Charles de Gaulle flights
O'Hare Intl to Charles de Gaulle flights
Newark to Malpensa flights
Baltimore to Heathrow flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Amsterdam flights
Seattle to Heathrow flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Malpensa flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Boston to Gatwick flights
Miami to Madrid flights
San Francisco to Charles de Gaulle flights
Dallas/Fort Worth to Charles de Gaulle flights

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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$382Average$842FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$421Average$655FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$524Average$1,002FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$583Average$1,188FlexibilityNo cancel feeOn-time77%
DeltaCheapest$586Average$1,148FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$719Average$775FlexibilityNo cancel feeOn-time75%
Royal JordanianCheapest$733Average$797FlexibilityNo cancel feeOn-time61%
LOTCheapest$738Average$1,034FlexibilityNo cancel feeOn-time81%
Etihad AirwaysCheapest$757Average$865FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$771Average$1,258FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2026 Cheapflights