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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £356

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in November or February, booked 11 days in advance, depart on a Monday or Thursday 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 28 March 2025.

Round-trip from

£529

One-way from

£356

Popular in

June

Cheapest in

November

Average price

£755

Good round-trip deal

£559 or less
5/5-12/5
  • 5/5-12/5
  • 2 total stops
  • 55h 26m total
  • Chicago to Istanbul
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Etihad Airways
  • Etihad Airways
  • 14/4
  • 1 total stop
  • 32h 15m total
  • Chicago to Istanbul
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Highest demand for flights based on searches. 16% potential increase in price (£129 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£20 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
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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 28 March 2025.

Mon 5/511:25ORD - IST
Nonstop10h 20mMultiple Airlines
Mon 12/504:35IST - ORD
2 stops45h 06mMultiple Airlines
Deal found 27/3£529
Mon 29/1218:30ORD - IST
1 stop20h 25mIcelandair
Fri 16/108:05IST - ORD
1 stop18h 15mIcelandair
Deal found 27/3£582
Tue 4/1117:45ORD - IST
2 stops25h 25mDelta
Tue 11/1105:10IST - ORD
1 stop18h 55mDelta
Deal found 28/3£604
Wed 1/1013:55ORD - IST
1 stop39h 10mEtihad Airways
Sat 11/1007:30IST - ORD
1 stop33h 15mEtihad Airways
Deal found 27/3£628
Tue 4/1118:35ORD - IST
1 stop19h 10mUnited Airlines
Thu 4/1206:30IST - ORD
2 stops22h 55mUnited Airlines
Deal found 27/3£630
Sun 28/1215:55ORD - IST
1 stop17h 10mLufthansa
Wed 21/106:30IST - ORD
1 stop22h 35mLufthansa
Deal found 27/3£631
Sat 4/1023:45ORD - IST
Nonstop10h 20mTurkish Airlines
Wed 8/1006:30IST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 27/3£671
Sat 11/1023:20ORD - IST
1 stop32h 30mAir Serbia
Sat 18/1004:30IST - ORD
1 stop24h 30mAir Serbia
Deal found 28/3£678
Mon 5/506:20ORD - IST
2 stops21h 35mQatar Airways
Mon 12/520:05IST - ORD
1 stop27h 00mQatar Airways
Deal found 27/3£779
Thu 17/421:40ORD - IST
2 stops31h 25mLOT
Mon 21/413:55IST - ORD
1 stop13h 45mLOT
Deal found 27/3£839

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 28 March 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

Mon 5/5

11:25-05:45

Nonstop10h 20m

Istanbul

Mon 12/5

04:35-17:41

2 stops45h 06m

£529

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 5/5

13:55-13:05

1 stop39h 10m

Istanbul

Wed 21/5

14:10-08:45

1 stop26h 35m

£663

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 1/5

11:25-05:45

Nonstop10h 20m

Istanbul

Wed 7/5

06:30-09:40

Nonstop11h 10m

£698

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 4/9

08:40-23:55

2 stops31h 15m

Istanbul

Tue 16/9

07:05-07:54

2 stops32h 49m

£714

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 23/9

18:10-03:25

2 stops25h 15m

Istanbul

Tue 7/10

04:20-22:10

2 stops25h 50m

£742

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 3/5

23:20-15:50

1 stop32h 30m

Istanbul

Tue 13/5

16:35-14:25

1 stop29h 50m

£753

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 5/5

06:20-11:55

2 stops21h 35m

Istanbul

Mon 12/5

20:05-15:05

1 stop27h 00m

£779

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 18/5

22:30-21:20

1 stop14h 50m

Istanbul

Tue 3/6

14:00-19:55

1 stop13h 55m

£816

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 17/4

21:40-13:05

2 stops31h 25m

Istanbul

Mon 21/4

13:55-19:40

1 stop13h 45m

£839

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 7/5

21:15-00:25

1 stop19h 10m

Istanbul

Fri 23/5

08:20-15:55

1 stop15h 35m

£881

Flights are sorted by cheapest return flights first.

Deals found on 27/3

Showing 1-10 of 15 results
1
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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 21 March 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 11 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 28 March 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 28% on the cost of your flight, compared to a flight at midday.

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 Airport ranges from 10.0 - 100.0 inches per month. December is typically the wettest month, when rainfall can reach 100.0 mm. July is typically the driest time to visit Istanbul Airport when rainfall is around 10.0 mm.

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 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 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 28 March 2025.
See what other customers who have flown with Delta, LOT and Qatar Airways from Chicago to Istanbul have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
7,897 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
1,063 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
3,538 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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.
Etihad Airways
7.4
Good
1,181 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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
8,603 reviews
Delta
8.0
Very Good
7,897 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

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 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?

    Etihad Airways, at £663, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Istanbul Airport.Alternate airlines flying return to your destination include Turkish Airlines and Icelandair. These flights start at 21% 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 £356 on Etihad Airways. Other airlines that offer cheap prices include Delta from £520 and Turkish Airlines from £565 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 MIAT Mongolian (78%), Uzbekistan Airways (74%) and Turkish Airlines (74%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Istanbul Airport?

    While on average a flight from Chicago O'Hare Intl Airport to Istanbul Airport is generally £611, our data shows the cheapest flight currently is £514. When looking at the most popular route, (Chicago O'Hare Intl - Istanbul), you can expect to pay £661 for that flight.

  • 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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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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