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$380+ Cheap flights from Chicago (CHI) 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — IST
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Istanbul are usually found in January or November, booked 27 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Chicago to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Istanbul (TR5). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 22, 2025.

Round-trip from

$709
(Trip.com)

One-way from

$380
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,022
From Chicago (CHI) to Istanbul
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One-way flight from Chicago (CHI) 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 Chicago to Istanbul

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

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 Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:25 pmORD - IST
2 stops24h 25mMultiple Airlines
Tue 6/34:35 pmIST - ORD
1 stop29h 50mMultiple Airlines
Deal found 4/21$752
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 9/211:55 pmORD - IST
1 stop32h 15mEtihad Airways
Sat 10/47:30 amIST - ORD
1 stop33h 15mEtihad Airways
Deal found 4/22$771
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/108:10 pmORD - IST
1 stop32h 35mRoyal Jordanian
Sat 9/201:45 pmIST - ORD
1 stop25h 05mRoyal Jordanian
Deal found 4/21$777
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/612:15 pmORD - IST
2 stops31h 10mDelta
Thu 11/135:10 amIST - ORD
1 stop18h 55mDelta
Deal found 4/21$785
This Booking.com deal was found by Cheapflights users on 4/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/411:20 pmORD - IST
1 stop32h 30mAir Serbia
Sat 10/114:30 amIST - ORD
1 stop24h 30mAir Serbia
Deal found 4/21$799
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 Air Canada deal was found by Cheapflights users on 4/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/73:35 pmORD - IST
2 stops24h 35mAir Canada
Mon 11/107:45 pmIST - ORD
2 stops33h 40mAir Canada
Deal found 4/21$822
This oojo deal was found by Cheapflights users on 4/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:20 pmORD - IST
1 stop27h 00mQatar Airways
Tue 9/168:05 pmIST - ORD
1 stop27h 00mQatar Airways
Deal found 4/21$823
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 pmORD - IST
Nonstop10h 20mTurkish Airlines
Wed 10/226:30 amIST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 4/21$832
This FlightHub deal was found by Cheapflights users on 4/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:30 pmORD - IST
1 stop14h 50mLufthansa
Mon 11/107:00 pmIST - ORD
1 stop27h 25mLufthansa
Deal found 4/21$839
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 9/1910:15 pmORD - SAW
2 stops22h 55mMultiple Airlines
Fri 10/312:35 pmSAW - ORD
2 stops37h 40mMultiple Airlines
Deal found 4/22$845

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 Chicago to Istanbul that are best for you.

Fly from

Chicago

Fly to

Istanbul

Route

Depart

Return

Price

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

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

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

ChicagoIstanbul

ORD - SAW

ORDSAW

Chicago O'Hare Intl

Mon 9/8

7:20 pm-6:45 pm

1 stop39h 25m

Istanbul Sabiha Gokcen

Mon 9/22

8:05 pm-3:05 pm

1 stop27h 00m

$814

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 10/7

3:35 pm-12:10 am

2 stops24h 35m

Istanbul

Mon 11/10

7:45 pm-8:25 pm

2 stops33h 40m

$822

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/10

7:20 pm-6:20 am

1 stop27h 00m

Istanbul

Tue 9/16

8:05 pm-3:05 pm

1 stop27h 00m

$823

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 9/17

11:45 pm-6:05 pm

Nonstop10h 20m

Istanbul

Wed 10/22

6:30 am-9:40 am

Nonstop11h 10m

$832

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 35 results
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Best time to book a flight from Chicago to Istanbul

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

How far ahead should I book a flight from Chicago to Istanbul?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Istanbul. Price data was last updated on April 18, 2025.

The price you pay for your flight from Chicago to Istanbul may vary depending on when you book. For the best chance of a lower fare, look to book 27 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $923). Flying from Chicago 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 CHI to IST?

Find hourly flight availability from Chicago 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.

It’s optimal to fly from Chicago to Istanbul at noon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Chicago to Istanbul?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Istanbul. Price data was last updated on March 24, 2024.

Travelers seeking maximum savings on their Chicago to Istanbul flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Chicago to Istanbul

Explore weekly flight availability from Chicago 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 CHI 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.
Read through reviews of airlines operating flights from Chicago to Istanbul, such as Delta, KLM and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Qatar Airways
7.4
Good
3,561 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 flying from Chicago to Istanbul round-trip?

    Cheapflights users have booked flights from Chicago to Istanbul round-trip from $733. Other airlines that can offer you cheap pricing are Etihad Airways, from $771, and Royal Jordanian, from $777. Users have found that Icelandair is 31% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago to Istanbul one-way?

    One-way options have recently been found by users for as low as $402 on Turkish Airlines. Other airlines that offer cheap prices include Royal Jordanian from $459 and Qatar Airways from $468 one-way.

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

    While some choose either Chicago O'Hare Intl - Istanbul Sabiha Gokcen or Chicago Midway - Istanbul, Chicago O'Hare Intl - Istanbul is the most popular route from Chicago to Istanbul.

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

    No one likes to see their flight delayed. When booking a flight from Chicago to Istanbul consider choosing Singapore Airlines (77%), Uzbekistan Airways (69%) or Turkish Airlines (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago to Istanbul?

    The cheapest flight price from Chicago to Istanbul is $346. On average you can expect to pay $2,440. The most popular route, (Chicago O'Hare Intl - Istanbul), can usually be booked for $770.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Chicago to Istanbul (average of $923). Flying from Chicago 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

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Chicago to Istanbul

Discover the top 10 airlines that operate flights from Chicago 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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