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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £366

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
25 Feb — 4 Mar1
1 adult

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 Thursday or Tuesday 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 20 February 2025.

Round-trip from

£556

One-way from

£366

Popular in

June

Cheapest in

November

Average price

£749

Good round-trip deal

£797 or less

Good one-way deal

£371 or less
1/4-30/4
  • 1/4-30/4
  • 5 total stops
  • 72h 10m total
  • Chicago to Istanbul
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Etihad Airways
  • Etihad Airways
  • 17/3
  • 1 total stop
  • 39h 10m total
  • Chicago to Istanbul
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Highest demand for flights based on searches. 17% potential increase in price (£148 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
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Price to beat on a one-way 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 20 February 2025.

Tue 1/406:45ORD - IST
2 stops37h 05mMultiple Airlines
Wed 30/404:35IST - ORD
3 stops35h 05mMultiple Airlines
Deal found 19/2£556
Mon 24/1118:30ORD - IST
1 stop20h 25mIcelandair
Wed 3/1208:05IST - ORD
1 stop18h 15mIcelandair
Deal found 19/2£596
Sat 25/1018:10ORD - IST
2 stops26h 00mDelta
Tue 4/1105:10IST - ORD
1 stop18h 55mDelta
Deal found 18/2£618
Sun 23/1115:15ORD - IST
1 stop22h 30mUnited Airlines
Wed 3/1206:30IST - ORD
1 stop22h 35mUnited Airlines
Deal found 19/2£645
Sun 23/1122:35ORD - IST
1 stop15h 10mLufthansa
Mon 1/1219:00IST - ORD
1 stop34h 05mLufthansa
Deal found 19/2£658
Wed 2/416:30ORD - IST
1 stop27h 00mAir Serbia
Mon 9/604:30IST - ORD
1 stop20h 10mAir Serbia
Deal found 18/2£671
Tue 14/1013:55ORD - IST
1 stop32h 25mEtihad Airways
Tue 28/1007:35IST - ORD
1 stop33h 40mEtihad Airways
Deal found 18/2£679
Tue 14/1019:20ORD - IST
1 stop32h 25mQatar Airways
Sun 26/1020:10IST - ORD
1 stop27h 20mQatar Airways
Deal found 18/2£723
Wed 26/1117:00ORD - IST
1 stop15h 25mBritish Airways
Tue 2/1218:30IST - ORD
1 stop28h 25mBritish Airways
Deal found 19/2£727
Tue 1/411:25ORD - IST
Nonstop10h 20mTurkish Airlines
Wed 30/406:30IST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 19/2£764

Find flights from O'Hare Intl to Istanbul within your budget

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 20 February 2025.

Fly from

O'Hare Intl

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 1/4

06:45-03:50

2 stops37h 05m

Istanbul

Wed 30/4

04:35-07:40

3 stops35h 05m

£556

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 26/3

18:15-04:10

2 stops25h 55m

Istanbul

Tue 8/4

04:20-15:00

1 stop18h 40m

£656

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 2/4

16:30-03:30

1 stop27h 00m

Istanbul

Mon 9/6

04:30-16:40

1 stop20h 10m

£671

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Wed 19/3

09:20-18:05

2 stops24h 45m

Istanbul

Wed 26/3

06:50-21:05

1 stop22h 15m

£688

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 3/4

13:55-13:20

1 stop39h 25m

Istanbul

Sat 7/6

07:25-08:55

1 stop33h 30m

£714

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 1/4

11:25-05:45

Nonstop10h 20m

Istanbul

Wed 30/4

06:30-09:40

Nonstop11h 10m

£764

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 21/4

19:20-11:55

1 stop32h 35m

Istanbul

Mon 28/4

20:05-15:05

1 stop27h 00m

£776

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 30/3

14:55-21:20

1 stop22h 25m

Istanbul

Thu 12/6

14:00-19:55

1 stop13h 55m

£779

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 17/3

14:10-13:20

1 stop39h 10m

£366

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 5/4

23:20-15:50

1 stop32h 30m

£369

Flights are sorted by cheapest return flights first.

Deals found on 19/2

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.

Travel insights for flights from O'Hare Intl to Istanbul

Get recent, data-driven insights about flights from O'Hare Intl to Istanbul including ideal travel times, pricing trends, and more.

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 14 February 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 20 February 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 22% 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 20 February 2025.

The most flights from ORD to IST are scheduled on a Thursday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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 20 February 2025.
See what other customers who have flown with Delta, Qatar Airways and United Airlines 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
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,220 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
3,612 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
8,766 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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
1,178 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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.

Turkish Airlines
7.3
Good
3,835 reviews
Delta
8.0
Very Good
8,220 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

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?

    Delta, at £656, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Istanbul Airport.Alternate airlines flying return to your destination include Air Serbia and United Airlines. These flights start at 24% 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 £366 on Etihad Airways. Other airlines that offer cheap prices include Air Serbia from £369 and Qatar Airways from £432 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 (64%), Uzbekistan Airways (54%) and Turkish Airlines (54%).

  • 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 £628, our data shows the cheapest flight currently is £295. When looking at the most popular route, (Chicago O'Hare Intl - Istanbul), you can expect to pay £679 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?

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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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