Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £374

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 20/6. Fares are subject to change and may not be available on all flights or dates of travel.
IST — ORD
28 Apr — 5 May1
1 adult

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 53 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 23 April 2025.

Round-trip from

£459

One-way from

£374

Popular in

August

Cheapest in

February

Average price

£531
Air Serbia
  • Air Serbia
  • 14/9-27/9
  • 2 total stops
  • 53h 10m total
  • Istanbul to Chicago
Search Deals
20/6
  • 20/6
  • 3 total stops
  • 35h 54m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 23 April 2025.

Sun 14/915:40IST - ORD
1 stop33h 00mAir Serbia
Sat 27/923:20ORD - IST
1 stop20h 10mAir Serbia
Deal found 23/4£459
Thu 19/614:00IST - ORD
2 stops27h 52mUnited Airlines
Mon 18/810:45ORD - IST
2 stops18h 20mUnited Airlines
Deal found 22/4£459
Tue 13/517:00IST - ORD
1 stop26h 45mBritish Airways
Tue 27/520:30ORD - IST
1 stop20h 35mBritish Airways
Deal found 22/4£463
Fri 3/1014:00IST - ORD
1 stop13h 55mLufthansa
Tue 13/115:55ORD - IST
1 stop21h 50mLufthansa
Deal found 22/4£469
Mon 1/917:05IST - ORD
1 stop29h 05mKLM
Mon 27/1017:45ORD - IST
2 stops15h 10mKLM
Deal found 22/4£474
Tue 14/1006:30IST - ORD
Nonstop11h 10mTurkish Airlines
Wed 22/1019:50ORD - IST
Nonstop10h 50mTurkish Airlines
Deal found 22/4£477
Thu 29/517:05IST - ORD
1 stop29h 05mDelta
Sat 7/607:00ORD - IST
2 stops25h 20mDelta
Deal found 22/4£482
Sat 4/1007:05IST - ORD
2 stops56h 49mIcelandair
Mon 8/1218:30ORD - IST
1 stop20h 25mIcelandair
Deal found 22/4£566

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 23 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

Sun 14/9

15:40-16:40

1 stop33h 00m

Chicago O'Hare Intl

Sat 27/9

23:20-03:30

1 stop20h 10m

£459

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 19/6

14:00-09:52

2 stops27h 52m

Chicago O'Hare Intl

Mon 18/8

10:45-13:05

2 stops18h 20m

£459

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 13/5

17:00-11:45

1 stop26h 45m

Chicago O'Hare Intl

Tue 27/5

20:30-01:05

1 stop20h 35m

£463

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 3/10

14:00-19:55

1 stop13h 55m

Chicago O'Hare Intl

Tue 13/1

15:55-22:45

1 stop21h 50m

£469

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 1/9

17:05-14:10

1 stop29h 05m

Chicago O'Hare Intl

Mon 27/10

17:45-16:55

2 stops15h 10m

£474

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Tue 14/10

06:30-09:40

Nonstop11h 10m

Chicago O'Hare Intl

Wed 22/10

19:50-14:40

Nonstop10h 50m

£477

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Thu 29/5

17:05-14:10

1 stop29h 05m

Chicago O'Hare Intl

Sat 7/6

07:00-16:20

2 stops25h 20m

£482

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Sat 4/10

07:05-07:54

2 stops56h 49m

Chicago O'Hare Intl

Mon 8/12

18:30-23:55

1 stop20h 25m

£566

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Fri 20/6

14:50-18:44

3 stops35h 54m

£374

IstanbulChicago

IST - ORD

ISTORD

Istanbul

Mon 2/6

04:30-16:40

1 stop20h 10m

£383

Flights are sorted by cheapest return flights first.

Deals found on 22/4

Showing 1-10 of 20 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 18 April 2025.

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 53 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 23 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 23 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 23 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
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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
3,205 reviews
Emirates
8.0
Very Good
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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
7,920 reviews
Emirates
8.0
Very Good
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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
1,333 reviews
Emirates
8.0
Very Good
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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
1,066 reviews
Emirates
8.0
Very Good
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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
8,683 reviews
Emirates
8.0
Very Good
3,205 reviews
Check prices

Entertainment

8.2

Food

7.8

Crew

8.3

Overall

8.0

Comfort

8.0

Boarding

8.1

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 (£459), United Airlines (£459), and British Airways (£463) offers the cheapest pricing from Istanbul Airport to Chicago O'Hare Intl Airport. Air Serbia is priced at 20% 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 £383. LOT flights start at £453 while deals on Turkish Airlines start at £456 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
Evanston
Downers Grove
Schaumburg
Elk Grove Village
Beloit
Rosemont

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 23 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest£545Average£628FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

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.

Can Cheapflights find flights from Istanbul to O'Hare Intl with no change fees?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights