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$380+ Cheap flights from Illinois to Istanbul

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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap flight deals from Illinois to Istanbul

Keep the following information in mind while searching for Illinois to Istanbul flight deals. Data was last updated April 22, 2025.

Round-trip from

$635
(Delta)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,022
From Illinois to Istanbul
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One-way flight from Illinois to Istanbul
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Highest demand for flights based on searches. 16% potential increase in price ($216 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 April 2025
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Find flight deals from Illinois to Istanbul

Cheapest flights from Illinois to Istanbul
Explore the most affordable flight options available from Illinois to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Delta deal was found by Cheapflights users on 4/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:00 pmMLI - IST
2 stops26h 25mDelta
Tue 8/264:20 amIST - MLI
2 stops26h 09mDelta
Deal found 4/20$635
This Trip.com deal was found by Cheapflights users on 4/22. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/57:25 pmORD - IST
2 stops24h 25mMultiple Airlines
Sun 9/143:40 pmIST - ORD
1 stop33h 00mMultiple Airlines
Deal found 4/22$709
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:25 pmORD - IST
1 stop20h 30mIcelandair
Wed 11/58:05 amIST - ORD
1 stop18h 15mIcelandair
Deal found 4/22$721
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:40 pmSTL - IST
2 stops25h 45mDelta
Wed 8/134:20 amIST - STL
2 stops27h 19mDelta
Deal found 4/22$733
This oojo deal was found by Cheapflights users on 4/22. 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.
Mon 9/81:55 pmORD - IST
1 stop39h 10mEtihad Airways
Thu 9/187:30 amIST - ORD
1 stop33h 15mEtihad Airways
Deal found 4/22$771
This Lufthansa deal was found by Cheapflights users on 4/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/55:20 pmMLI - IST
2 stops20h 00mLufthansa
Mon 8/255:55 pmIST - MLI
2 stops30h 59mLufthansa
Deal found 4/20$775
This oojo deal was found by Cheapflights users on 4/22. 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 10/198:10 pmORD - IST
1 stop16h 20mRoyal Jordanian
Sun 11/22:05 pmIST - ORD
1 stop34h 10mRoyal Jordanian
Deal found 4/22$777
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:20 pmORD - IST
1 stop25h 50mDelta
Tue 11/115:10 amIST - ORD
1 stop18h 55mDelta
Deal found 4/22$793
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/53:45 pmMLI - IST
2 stops21h 35mUnited Airlines
Sun 8/242:00 pmIST - MLI
2 stops39h 12mUnited Airlines
Deal found 4/20$811
This oojo deal was found by Cheapflights users on 4/22. 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.
Mon 9/87:20 pmORD - SAW
1 stop39h 25mQatar Airways
Mon 9/228:05 pmSAW - ORD
1 stop27h 00mQatar Airways
Deal found 4/22$814
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/43:55 pmORD - IST
1 stop17h 10mLufthansa
Thu 12/46:30 amIST - ORD
1 stop15h 55mLufthansa
Deal found 4/22$819
This oojo deal was found by Cheapflights users on 4/22. 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.
Thu 9/117:20 pmORD - IST
1 stop32h 35mQatar Airways
Mon 9/228:05 pmIST - ORD
1 stop27h 00mQatar Airways
Deal found 4/22$820

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 April 22, 2025.
Use the filters below to find and compare flights from Illinois to Istanbul that are best for you.

Fly from

Illinois

Fly to

Istanbul

Route

Depart

Return

Price

MolineIstanbul

MLI - IST

MLIIST

Moline Quad-City

Mon 8/4

5:00 pm-3:25 am

2 stops26h 25m

Istanbul

Tue 8/26

4:20 am-10:29 pm

2 stops26h 09m

$635

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 10/8

7:25 pm-11:55 pm

1 stop20h 30m

Istanbul

Sat 11/8

8:05 am-5:20 pm

1 stop18h 15m

$733

St. LouisIstanbul

STL - IST

STLIST

Lambert-St Louis

Sun 8/3

5:40 pm-3:25 am

2 stops25h 45m

Istanbul

Wed 8/13

4:20 am-11:39 pm

2 stops27h 19m

$733

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 5/6

7:25 pm-3:50 am

2 stops24h 25m

Istanbul

Tue 6/3

4:35 pm-2:25 pm

1 stop29h 50m

$752

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 9/21

1:55 pm-6:10 am

1 stop32h 15m

Istanbul

Sat 10/4

7:30 am-8:45 am

1 stop33h 15m

$771

MolineIstanbul

MLI - IST

MLIIST

Moline Quad-City

Tue 8/5

5:20 pm-9:20 pm

2 stops20h 00m

Istanbul

Mon 8/25

5:55 pm-4:54 pm

2 stops30h 59m

$775

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/10

8:10 pm-12:45 pm

1 stop32h 35m

Istanbul

Sat 9/20

1:45 pm-6:50 am

1 stop25h 05m

$777

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 10/6

12:15 pm-3:25 am

2 stops31h 10m

Istanbul

Thu 11/13

5:10 am-3:05 pm

1 stop18h 55m

$785

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 10/4

11:20 pm-3:50 pm

1 stop32h 30m

Istanbul

Sat 10/11

4:30 am-9:00 pm

1 stop24h 30m

$799

MolineIstanbul

MLI - IST

MLIIST

Moline Quad-City

Tue 8/5

3:45 pm-9:20 pm

2 stops21h 35m

Istanbul

Sun 8/24

2:00 pm-9:12 pm

2 stops39h 12m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 53 results
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Best time to book a flight from Illinois to Istanbul

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Istanbul (average of $923). Flying from Illinois to Istanbul in June is currently the most expensive (average of $1,423). 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 IST?

Find hourly flight availability from Illinois 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 April 22, 2025.

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

Weekly flight availability from Illinois to Istanbul

Explore weekly flight availability from Illinois 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 April 22, 2025.

The most flights from USIL to TR5 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 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 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, 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 April 22, 2025.
See what other customers who have flown with Asiana Airlines, Emirates and Delta from Illinois to Istanbul have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
442 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Emirates
8.0
Very good
3,205 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,920 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,331 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
LOT
7.6
Good
1,065 reviews
Asiana Airlines
8.2
Very good
442 reviews

Food

8.0

Boarding

8.3

Comfort

8.0

Crew

8.5

Entertainment

7.7

Overall

8.2

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

Related info for your journey

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

    The cheapest airlines for a one-way flight from Illinois to Istanbul are Turkish Airlines ($402), Royal Jordanian ($459), and Qatar Airways ($468).

  • What are the most popular routes from Illinois to Istanbul?

    Most travelers choose Chicago O'Hare Intl - Istanbul, Chicago O'Hare Intl - Istanbul Sabiha Gokcen or Chicago Midway - Istanbul when deciding on the best route from Illinois to Istanbul.

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

    Consider Singapore Airlines (77%), Uzbekistan Airways (69%) or Turkish Airlines (69%) when booking your flight. These represent the most reliable airlines when flying from Illinois to Istanbul.

  • What are the cheapest flights from Illinois to Istanbul?

    Looking at all options, your cheapest flight can be booked for $346. While the most popular route (Chicago O'Hare Intl - Istanbul) can be booked for $770 on average our data indicates $2,440 when flying from Illinois to Istanbul.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Istanbul (average of $923). Flying from Illinois to Istanbul in June is currently the most expensive (average of $1,423). 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 Istanbul

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 Istanbul

Discover the top 10 airlines that operate flights from Illinois 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$364Average$873FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$1,067FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$615Average$1,120FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$946FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$706Average$1,087FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$721Average$852FlexibilityNo cancel feeOn-time75%
DeltaCheapest$731Average$1,053FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$735Average$1,096FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$736Average$960FlexibilityNo cancel feeOn-time71%
Royal JordanianCheapest$747Average$842FlexibilityNo cancel feeOn-time61%

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