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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £342

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
5 May — 12 May1
1 adult

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 58 days in advance, depart on a Monday or Wednesday 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 30 April 2025.

Round-trip from

£460

One-way from

£342

Popular in

August

Cheapest in

February

Average price

£529
Air Serbia
  • Air Serbia
  • 15/9-24/9
  • 2 total stops
  • 35h 30m total
  • Istanbul to Chicago
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Air Serbia
  • Air Serbia
  • 25/10
  • 1 total stop
  • 24h 30m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£60 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in April 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 30 April 2025.

Mon 15/904:30IST - ORD
1 stop20h 10mAir Serbia
Wed 24/916:30ORD - IST
1 stop15h 20mAir Serbia
Deal found 30/4£460
Thu 8/514:00IST - ORD
1 stop13h 55mLufthansa
Sun 5/1016:00ORD - IST
1 stop21h 20mLufthansa
Deal found 29/4£462
Mon 15/914:00IST - ORD
1 stop13h 55mUnited Airlines
Sun 28/917:55ORD - IST
2 stops19h 25mUnited Airlines
Deal found 30/4£463
Thu 8/514:00IST - ORD
1 stop13h 55mMultiple Airlines
Sun 5/1008:40ORD - IST
2 stops26h 15mMultiple Airlines
Deal found 29/4£470
Wed 1/1017:35IST - ORD
1 stop26h 15mBritish Airways
Sat 1/1121:45ORD - IST
1 stop19h 30mBritish Airways
Deal found 29/4£471
Tue 9/917:05IST - ORD
1 stop29h 35mDelta
Tue 30/910:10ORD - IST
2 stops22h 10mDelta
Deal found 30/4£481
Fri 25/717:05IST - ORD
1 stop29h 05mKLM
Mon 4/816:20ORD - IST
1 stop16h 00mKLM
Deal found 29/4£508
Thu 5/606:30IST - ORD
Nonstop11h 10mTurkish Airlines
Fri 27/611:25ORD - IST
Nonstop10h 20mTurkish Airlines
Deal found 29/4£512
Sun 14/908:15IST - ORD
2 stops42h 00mIcelandair
Sun 28/922:15ORD - IST
1 stop17h 40mIcelandair
Deal found 30/4£591

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 30 April 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

Mon 15/9

04:30-16:40

1 stop20h 10m

Chicago O'Hare Intl

Wed 24/9

16:30-15:50

1 stop15h 20m

£460

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 15/9

14:00-19:55

1 stop13h 55m

Chicago O'Hare Intl

Sun 28/9

17:55-21:20

2 stops19h 25m

£463

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Wed 1/10

17:35-11:50

1 stop26h 15m

Chicago O'Hare Intl

Sat 1/11

21:45-01:15

1 stop19h 30m

£471

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 9/9

17:05-14:40

1 stop29h 35m

Chicago O'Hare Intl

Tue 30/9

10:10-16:20

2 stops22h 10m

£481

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 5/6

14:00-19:55

1 stop13h 55m

Chicago O'Hare Intl

Tue 24/6

16:05-21:20

2 stops21h 15m

£483

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 25/7

17:05-14:10

1 stop29h 05m

Chicago O'Hare Intl

Mon 4/8

16:20-16:20

1 stop16h 00m

£508

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 5/6

06:30-09:40

Nonstop11h 10m

Chicago O'Hare Intl

Fri 27/6

11:25-05:45

Nonstop10h 20m

£512

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sun 14/9

08:15-18:15

2 stops42h 00m

Chicago O'Hare Intl

Sun 28/9

22:15-23:55

1 stop17h 40m

£591

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 25/10

04:30-21:00

1 stop24h 30m

£342

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 27/10

16:45-10:04

2 stops49h 19m

£445

Flights are sorted by cheapest return flights first.

Deals found on 30/4

Showing 1-10 of 17 results
1
2

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 25 April 2025.

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 58 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 30 April 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 28% 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 30 April 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 30 April 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
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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
8.0
Very Good
3,215 reviews
Emirates
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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
7,934 reviews
Emirates
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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
1,334 reviews
Emirates
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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
8,696 reviews
Emirates
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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.
Turkish Airlines
7.3
Good
3,790 reviews
Emirates
8.0
Very Good
3,215 reviews
Check prices

Boarding

8.1

Comfort

8.0

Overall

8.0

Food

7.8

Crew

8.3

Entertainment

8.2

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, Air Serbia (£460), United Airlines (£463), and British Airways (£471) offers the cheapest pricing from Istanbul Airport to Chicago O'Hare Intl Airport. Air Serbia is priced at 19% 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 £342. Turkish Airlines flights start at £472 while deals on Lufthansa start at £476 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: Singapore Airlines (74%), Uzbekistan Airways (72%), Pakistan International Airlines( 72%).

  • 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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£543Average£626FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

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When you search for this flight from Istanbul to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Istanbul to O'Hare Intl?

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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