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Istanbul

$379+ Cheap flights from Illinois to Istanbul (IST)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Round-trip from

$743
(Booking.com)

One-way from

$379
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,018

Good round-trip deal

$875 or less

Good one-way deal

$455 or less
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 ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Illinois to Istanbul.
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Price to beat on a one-way flight from Illinois to Istanbul.
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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 30, 2025.

This Delta deal was found by Cheapflights users on 4/29. 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 11/22:18 pmSTL - IST
2 stops28h 52mDelta
Sun 11/165:10 amIST - STL
2 stops27h 29mDelta
Deal found 4/29$685
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 10/297:30 pmORD - IST
1 stop20h 25mIcelandair
Wed 11/128:05 amIST - ORD
1 stop18h 15mIcelandair
Deal found 4/29$735
This oojo deal was found by Cheapflights users on 4/29. 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 9/221:55 pmORD - IST
1 stop32h 15mEtihad Airways
Mon 10/67:30 amIST - ORD
1 stop33h 15mEtihad Airways
Deal found 4/29$771
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:15 pmORD - IST
1 stop17h 40mMultiple Airlines
Sat 11/15:30 amIST - ORD
1 stop20h 10mMultiple Airlines
Deal found 4/29$775
This Delta deal was found by Cheapflights users on 4/29. 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 10/297:55 pmORD - IST
2 stops24h 15mDelta
Wed 11/125:10 amIST - ORD
1 stop18h 55mDelta
Deal found 4/29$785
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Sun 11/21:27 pmSTL - IST
2 stops24h 18mLufthansa
Sun 11/166:30 amIST - STL
1 stop16h 25mLufthansa
Deal found 4/29$796
This oojo deal was found by Cheapflights users on 4/29. 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 8/67:20 pmORD - IST
1 stop27h 00mQatar Airways
Sun 10/58:05 pmIST - ORD
1 stop27h 00mQatar Airways
Deal found 4/29$816
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Tue 11/411:20 amORD - IST
2 stops27h 05mAir Canada
Thu 12/47:45 pmIST - ORD
2 stops33h 40mAir Canada
Deal found 4/29$823
This Delta deal was found by Cheapflights users on 4/28. 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 7/156:20 pmMDW - IST
2 stops25h 05mDelta
Thu 8/284:20 amIST - MDW
2 stops25h 27mDelta
Deal found 4/28$830
This Ovago deal was found by Cheapflights users on 4/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:10 amORD - IST
1 stop17h 35mRoyal Jordanian
Sat 9/131:45 pmIST - ORD
1 stop25h 05mRoyal Jordanian
Deal found 4/29$857
This FlightHub deal was found by Cheapflights users on 4/29. 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.
Mon 9/2911:25 amORD - IST
Nonstop10h 20mTurkish Airlines
Mon 10/136:45 pmIST - ORD
Nonstop11h 15mTurkish Airlines
Deal found 4/29$860
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Tue 8/59:15 pmORD - IST
1 stop19h 50mBritish Airways
Wed 8/208:25 amIST - ORD
1 stop15h 30mBritish Airways
Deal found 4/29$886

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 30, 2025.
Use the filters below to find and compare flights from Illinois to Istanbul Airport that are best for you.

Fly from

Illinois

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 10/22

10:15 pm-11:55 pm

1 stop17h 40m

Istanbul

Sat 11/1

8:05 am-6:20 pm

1 stop18h 15m

$743

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/22

1:55 pm-6:10 am

1 stop32h 15m

Istanbul

Mon 10/6

7:30 am-8:45 am

1 stop33h 15m

$771

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 10/22

10:15 pm-11:55 pm

1 stop17h 40m

Istanbul

Sat 11/1

5:30 am-5:40 pm

1 stop20h 10m

$775

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 7/19

1:30 pm-3:25 am

2 stops29h 55m

Istanbul

Fri 8/29

4:20 am-3:00 pm

1 stop18h 40m

$803

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 8/6

7:20 pm-6:20 am

1 stop27h 00m

Istanbul

Sun 10/5

8:05 pm-3:05 pm

1 stop27h 00m

$816

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/12

2:07 pm-6:55 pm

2 stops20h 48m

Istanbul

Mon 8/18

9:20 pm-10:07 pm

2 stops32h 47m

$826

ChicagoIstanbul

MDW - IST

MDWIST

Chicago Midway

Tue 7/15

6:20 pm-3:25 am

2 stops25h 05m

Istanbul

Thu 8/28

4:20 am-9:47 pm

2 stops25h 27m

$830

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 9/6

11:10 am-12:45 pm

1 stop17h 35m

Istanbul

Sat 9/13

1:45 pm-6:50 am

1 stop25h 05m

$857

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 9/29

11:25 am-5:45 am

Nonstop10h 20m

Istanbul

Mon 10/13

6:45 pm-10:00 pm

Nonstop11h 15m

$860

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 8/5

9:15 pm-1:05 am

1 stop19h 50m

Istanbul

Wed 8/20

8:25 am-3:55 pm

1 stop15h 30m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 43 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 Airport

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Istanbul Airport (average of $923). Flying from Illinois to Istanbul Airport 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 30, 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 Airport as you normally would.

Weekly flight availability from Illinois to Istanbul Airport

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 30, 2025.

The most flights from USIL to IST 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 Airport 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 Airport 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 Airport, 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 30, 2025.
Get a feel of what it's like to fly with Asiana Airlines, Emirates and Delta from Illinois to Istanbul by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.2
Very good
442 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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
3,215 reviews
Asiana Airlines
8.2
Very good
442 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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
7,936 reviews
Asiana Airlines
8.2
Very good
442 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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
1,333 reviews
Asiana Airlines
8.2
Very good
442 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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
1,069 reviews
Asiana Airlines
8.2
Very good
442 reviews

Entertainment

7.7

Boarding

8.3

Comfort

8.0

Food

8.0

Crew

8.5

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 Airport one-way?

    To fly one-way, consider booking your trip with Turkish Airlines, which is currently one of the cheapest options available, starting at $379. Royal Jordanian flights start at $456 while deals on Qatar Airways start at $466 one-way.

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

    While some choose either Chicago Midway - Istanbul or Lambert-St Louis - Istanbul, Chicago O'Hare Intl - Istanbul is the most popular route from Illinois to Istanbul Airport.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Istanbul Airport on time: Singapore Airlines (77%), Uzbekistan Airways (69%), Turkish Airlines (69%).

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

    Looking at all options, your cheapest flight can be booked for $353. While the most popular route (Chicago O'Hare Intl - Istanbul) can be booked for $760 on average our data indicates $2,450 when flying from Illinois to Istanbul Airport.

  • 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 Airport?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Istanbul Airport (average of $923). Flying from Illinois to Istanbul Airport 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air SerbiaCheapest$364Average$1,017FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$480Average$1,018FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$623Average$1,112FlexibilityNo cancel feeOn-time77%
LOTCheapest$683Average$953FlexibilityNo cancel feeOn-time81%
American AirlinesCheapest$700Average$938FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$704Average$955FlexibilityNo cancel feeOn-time70%
Etihad AirwaysCheapest$721Average$852FlexibilityNo cancel feeOn-time75%
DeltaCheapest$731Average$1,039FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$735Average$1,090FlexibilityNo cancel feeOn-time76%
Royal JordanianCheapest$747Average$842FlexibilityNo cancel feeOn-time61%

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