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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £367

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
2 Jul — 9 Jul1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in November or February, booked 64 days in advance, depart on a Monday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Istanbul (IST). 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 27 June 2025.

Round-trip from

£659

One-way from

£367

Popular in

June

Cheapest in

November

Average price

£1,006
United Airlines
  • United Airlines
  • 17/8-31/8
  • 4 total stops
  • 48h 51m total
  • Chicago to Istanbul
Etihad Airways
  • Etihad Airways
  • 15/7
  • 1 total stop
  • 39h 10m total
  • Chicago to Istanbul
Highest demand for flights based on searches. 14% potential increase in price (£93 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in June 2025

Find flight deals from O'Hare Intl to Istanbul

Cheapest flights from O'Hare Intl to Istanbul
Explore the most affordable flight options available from O'Hare Intl to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2025.

Sun 17/806:00ORD - IST
2 stops23h 05mUnited Airlines
Sun 31/814:00IST - ORD
2 stops25h 46mUnited Airlines
Deal found 25/6£659
Tue 19/816:20ORD - IST
1 stop16h 00mKLM
Sun 31/817:05IST - ORD
1 stop29h 35mKLM
Deal found 26/6£662
Sat 30/813:55ORD - IST
1 stop39h 10mEtihad Airways
Sun 14/907:30IST - ORD
1 stop33h 15mEtihad Airways
Deal found 26/6£663
Mon 1/916:00ORD - IST
1 stop13h 05mLufthansa
Sun 7/917:55IST - ORD
1 stop27h 00mLufthansa
Deal found 26/6£664
Tue 2/911:25ORD - IST
Nonstop10h 20mTurkish Airlines
Fri 12/906:30IST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 26/6£666
Sun 17/817:10ORD - IST
1 stop26h 15mDelta
Tue 26/817:05IST - ORD
2 stops31h 40mDelta
Deal found 25/6£667
Wed 12/1111:30ORD - IST
2 stops27h 25mIcelandair
Fri 28/1112:25IST - ORD
1 stop13h 55mIcelandair
Deal found 27/6£669
Fri 15/819:15ORD - IST
1 stop15h 35mBritish Airways
Wed 27/817:35IST - ORD
1 stop28h 20mBritish Airways
Deal found 25/6£670

Cheapflights Fare Finder

Customise your flight search to find flights from O'Hare Intl 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 858,174 searches. Data last updated 27 June 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Istanbul Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 17/8

06:00-13:05

2 stops23h 05m

Istanbul

Sun 31/8

14:00-07:46

2 stops25h 46m

£659

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 19/8

17:00-03:25

2 stops26h 25m

Istanbul

Mon 1/9

17:05-16:28

2 stops31h 23m

£662

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 30/8

13:55-13:05

1 stop39h 10m

Istanbul

Sun 14/9

07:30-08:45

1 stop33h 15m

£663

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 1/9

16:00-13:05

1 stop13h 05m

Istanbul

Sun 7/9

17:55-12:55

1 stop27h 00m

£664

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 24/7

16:20-16:20

1 stop16h 00m

Istanbul

Tue 19/8

17:05-14:40

1 stop29h 35m

£665

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 2/9

11:25-05:45

Nonstop10h 20m

Istanbul

Fri 12/9

06:30-09:40

Nonstop11h 10m

£666

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 12/11

11:30-23:55

2 stops27h 25m

Istanbul

Fri 28/11

12:25-17:20

1 stop13h 55m

£669

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 15/8

19:15-18:50

1 stop15h 35m

Istanbul

Wed 27/8

17:35-13:55

1 stop28h 20m

£670

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 15/7

13:55-13:05

1 stop39h 10m

£367

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 5/7

21:45-17:05

1 stop35h 20m

£379

Flights are sorted by cheapest return flights first.

Deals found on 25/6

Showing 1-10 of 16 results
1
2

Best time to book a flight from O'Hare Intl to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from O'Hare Intl 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 Chicago O'Hare Intl Airport to Istanbul Airport

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

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Istanbul. Price data was last updated on 20 June 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Istanbul Airport, you should look to book at least 64 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £159). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 ORD to IST?

Find hourly flight availability from O'Hare Intl 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 27 June 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Istanbul Airport in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at midday.

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

Explore weekly flight availability from O'Hare Intl 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 27 June 2025.

The most flights from ORD 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).

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 27 June 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Istanbul Airport, such as Delta, KLM, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

    United Airlines, at £659, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Istanbul Airport.Alternate airlines flying return to your destination include KLM and Etihad Airways. These flights start at 14% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as £367 on Etihad Airways. Other airlines that offer cheap prices include Air Serbia from £438 and United Airlines from £441 one-way.

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

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Istanbul Airport are Uzbekistan Airways (58%), Turkish Airlines (58%) and Pakistan International Airlines (58%).

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £159). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in August is currently the most expensive (average of £366). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Yalova

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

Yes! Start tracking prices for O'Hare Intl to Istanbul flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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