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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £351

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 61 days in advance, depart on a Monday or Saturday and return on a Monday

Cheap flight deals from Istanbul to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Istanbul (IST) to O'Hare Intl (ORD). 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 13 June 2025.

Round-trip from

£431

One-way from

£351

Popular in

August

Cheapest in

February

Average price

£543
British Airways
  • British Airways
  • 29/10-3/11
  • 4 total stops
  • 48h 48m total
  • Istanbul to Chicago
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Air Serbia
  • Air Serbia
  • 7/9
  • 1 total stop
  • 33h 00m total
  • Istanbul to Chicago
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Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find flight deals from Istanbul to O'Hare Intl

Cheapest flights from Istanbul to O'Hare Intl
Explore the most affordable flight options available from Istanbul to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Wed 29/1014:45IST - ORD
2 stops26h 28mBritish Airways
Mon 3/1116:45ORD - IST
2 stops22h 20mBritish Airways
Deal found 12/6£431
Mon 27/1012:25IST - ORD
1 stop13h 55mIcelandair
Wed 5/1118:30ORD - IST
1 stop20h 25mIcelandair
Deal found 12/6£434
Tue 1/717:05IST - ORD
1 stop29h 35mKLM
Tue 12/816:20ORD - IST
1 stop16h 00mKLM
Deal found 11/6£440
Fri 12/906:10IST - ORD
2 stops34h 58mUnited Airlines
Sat 27/915:05ORD - IST
1 stop22h 15mUnited Airlines
Deal found 11/6£453
Fri 31/1016:40IST - ORD
1 stop33h 00mAir Serbia
Wed 5/1122:55ORD - IST
1 stop32h 00mAir Serbia
Deal found 12/6£465
Mon 15/918:45IST - ORD
Nonstop11h 15mTurkish Airlines
Thu 25/911:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 12/6£487
Thu 28/817:05IST - ORD
1 stop29h 05mDelta
Sun 31/816:20ORD - IST
1 stop16h 00mDelta
Deal found 11/6£492
Fri 12/914:00IST - ORD
1 stop29h 00mMultiple Airlines
Sat 27/913:55ORD - IST
2 stops21h 25mMultiple Airlines
Deal found 12/6£493
Mon 15/914:00IST - ORD
1 stop13h 55mLufthansa
Sun 28/915:45ORD - IST
2 stops21h 35mLufthansa
Deal found 11/6£503

Cheapflights Fare Finder

Customise your flight search to find flights from Istanbul to O'Hare Intl 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 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Istanbul Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Istanbul

Fly to

O'Hare Intl

Route

Depart

Return

Price

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 29/10

14:45-09:13

2 stops26h 28m

Chicago O'Hare Intl

Mon 3/11

16:45-00:05

2 stops22h 20m

£431

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 27/10

12:25-18:20

1 stop13h 55m

Chicago O'Hare Intl

Wed 5/11

18:30-23:55

1 stop20h 25m

£434

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 1/7

17:05-14:40

1 stop29h 35m

Chicago O'Hare Intl

Tue 12/8

16:20-16:20

1 stop16h 00m

£440

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 12/9

06:10-09:08

2 stops34h 58m

Chicago O'Hare Intl

Sat 27/9

15:05-21:20

1 stop22h 15m

£453

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 31/10

16:40-17:40

1 stop33h 00m

Chicago O'Hare Intl

Wed 5/11

22:55-15:55

1 stop32h 00m

£465

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 30/8

14:00-14:55

1 stop32h 55m

Chicago O'Hare Intl

Thu 11/12

22:35-22:45

1 stop15h 10m

£472

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 15/9

14:00-19:55

1 stop13h 55m

Chicago O'Hare Intl

Wed 24/9

16:00-21:20

1 stop21h 20m

£482

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 15/9

18:45-22:00

Nonstop11h 15m

Chicago O'Hare Intl

Thu 25/9

11:25-05:45

Nonstop10h 20m

£487

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 28/8

17:05-14:10

1 stop29h 05m

Chicago O'Hare Intl

Sun 31/8

16:20-16:20

1 stop16h 00m

£492

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sun 7/9

15:40-16:40

1 stop33h 00m

£351

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 21 results
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Best time to book a flight from Istanbul to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Istanbul with our price prediction graph.
Estimated return 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 Istanbul Airport to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Istanbul to O'Hare Intl. Price data was last updated on 9 June 2025.

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £595). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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 IST to ORD?

Find hourly flight availability from Istanbul to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at midday.

Weekly flight availability from Istanbul Airport to Chicago O'Hare Intl Airport

Explore weekly flight availability from Istanbul to O'Hare Intl. 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 13 June 2025.

The most flights from IST to ORD 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).

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 13 June 2025.
Get a feel of what it's like to fly with Emirates, Delta and KLM from Istanbul to Chicago by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Emirates
8.1
Very Good
3,265 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
Delta
8.0
Very Good
7,946 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
KLM
7.8
Good
1,358 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
LOT
7.6
Good
1,077 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.
United Airlines
7.4
Good
8,790 reviews
Emirates
8.1
Very Good
3,265 reviews
Check prices

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Overall

8.1

Food

7.8

Crew

8.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2024

DXB - IAH

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to O'Hare Intl. 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 Istanbul Airport to Chicago O'Hare Intl Airport round-trip?

    According to our current data, British Airways (£431), Icelandair (£434), and KLM (£440) offers the cheapest pricing from Istanbul Airport to Chicago O'Hare Intl Airport. British Airways is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Istanbul Airport to Chicago O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at £351. Turkish Airlines flights start at £450 while deals on KLM start at £462 one-way.

  • What are the most reliable airlines from Istanbul Airport to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Uzbekistan Airways (71%), Pakistan International Airlines (71%), MIAT Mongolian( 71%).

  • Can I find deals for flights from Istanbul to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Istanbul to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to O'Hare Intl?

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

  • Can I find deals for business class flights from Istanbul to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Istanbul to O'Hare Intl 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 Istanbul Airport to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £595). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

Travelling to a place near Istanbul Airport?

Book flights to Istanbul Airport if you plan to visit one of these locations
Downers Grove
Schaumburg
Elk Grove Village
Beloit
Rosemont

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Top airline flying from Istanbul to O'Hare Intl

Discover the top airline that operate flights from Istanbul to O'Hare Intl. 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 858,174 searches. Data last updated 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£536Average£616FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Istanbul to O'Hare Intl?

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Istanbul.

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Yes! Cheapflights helps users easily find flights from Istanbul to O'Hare Intl with no change fees.

Can Cheapflights notify me if prices for flights from Istanbul to O'Hare Intl become cheaper?

Not ready to book yet? You can track prices for flights from Istanbul to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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