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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £376

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
5 May — 12 May1
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 30 April 2025.

Round-trip from

£599

One-way from

£376

Popular in

June

Cheapest in

November

Average price

£763

Good round-trip deal

£855 or less

Good one-way deal

£301 or less
Delta
  • Delta
  • 19/7-29/8
  • 3 total stops
  • 48h 35m 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. 15% potential increase in price (£109 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Chicago O'Hare Intl to Istanbul.
Price to beat on a one-way flight from Chicago O'Hare Intl to Istanbul.

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 30 April 2025.

Sun 3/817:00ORD - IST
2 stops26h 25mDelta
Tue 26/804:20IST - ORD
1 stop18h 40mDelta
Deal found 29/4£585
Mon 10/1115:35ORD - IST
2 stops46h 10mMultiple Airlines
Mon 17/1119:45IST - ORD
2 stops33h 40mMultiple Airlines
Deal found 29/4£613
Sun 20/716:00ORD - IST
1 stop13h 05mLufthansa
Thu 4/914:00IST - ORD
1 stop13h 55mLufthansa
Deal found 28/4£702
Mon 21/723:45ORD - IST
Nonstop10h 20mTurkish Airlines
Fri 29/806:30IST - ORD
Nonstop11h 10mTurkish Airlines
Deal found 28/4£726
Fri 9/519:20ORD - IST
1 stop32h 35mQatar Airways
Mon 19/520:05IST - ORD
1 stop27h 00mQatar Airways
Deal found 29/4£741
Sun 22/613:55ORD - IST
1 stop32h 15mEtihad Airways
Tue 1/707:30IST - ORD
1 stop33h 15mEtihad Airways
Deal found 29/4£753

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 30 April 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

Sat 19/7

13:30-03:25

2 stops29h 55m

Istanbul

Fri 29/8

04:20-15:00

1 stop18h 40m

£599

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 20/7

22:30-21:20

1 stop14h 50m

Istanbul

Mon 1/9

21:20-20:11

2 stops30h 51m

£697

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 20/7

16:00-13:05

1 stop13h 05m

Istanbul

Thu 4/9

14:00-19:55

1 stop13h 55m

£702

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Mon 21/7

23:45-18:05

Nonstop10h 20m

Istanbul

Fri 29/8

06:30-09:40

Nonstop11h 10m

£726

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 9/5

19:20-11:55

1 stop32h 35m

Istanbul

Mon 19/5

20:05-15:05

1 stop27h 00m

£741

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 22/6

13:55-06:10

1 stop32h 15m

Istanbul

Tue 1/7

07:30-08:45

1 stop33h 15m

£753

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 15/7

13:55-13:05

1 stop39h 10m

£376

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 9/5

19:20-18:35

1 stop39h 15m

£408

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 20/5

16:20-16:20

1 stop16h 00m

£529

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 10/5

19:50-14:40

Nonstop10h 50m

£753

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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 25 April 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 30 April 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.

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 30 April 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).

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 30 April 2025.
See what other customers who have flown with Delta, Qatar Airways and Etihad 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.

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.
8.0
Very Good

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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.

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.9

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 £599, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Istanbul Airport.Alternate airlines flying return to your destination include Lufthansa and Turkish Airlines. These flights start at 26% 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 £376 on Etihad Airways. Other airlines that offer cheap prices include Qatar Airways from £408 and Delta from £529 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 Singapore Airlines (77%), Uzbekistan Airways (69%) and Turkish Airlines (69%).

  • 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 £648, our data shows the cheapest flight currently is £247. When looking at the most popular route, (Chicago O'Hare Intl - Istanbul), you can expect to pay £638 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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