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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £383

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago O'Hare Intl to Istanbul are usually found in November or March, booked 85 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from O'Hare Intl to Istanbul

Enter your travel dates to find the best prices.

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 23 March 2026.

Sun 30/819:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Sun 17/105:30
IST
-
ORD
1 stop20h 15m
Scandinavian Airlines
Deal found 22/3£537
Thu 5/1119:20
ORD
-
IST
1 stop24h 20m
Scandinavian Airlines
Wed 11/1105:30
IST
-
ORD
2 stops25h 03m
Scandinavian Airlines
Deal found 19/3£561
Thu 3/919:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Fri 15/105:30
IST
-
ORD
1 stop20h 15m
Scandinavian Airlines
Deal found 22/3£567
Wed 2/916:50
ORD
-
IST
1 stop24h 30m
Delta
Tue 12/104:50
IST
-
ORD
1 stop19h 20m
Delta
Deal found 22/3£587
Mon 17/819:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Fri 13/1105:30
IST
-
ORD
1 stop20h 15m
Scandinavian Airlines
Deal found 19/3£589
Mon 19/1010:30
ORD
-
IST
2 stops21h 50m
Delta
Tue 3/1104:50
IST
-
ORD
1 stop19h 20m
Delta
Deal found 22/3£591
Tue 13/1011:25
ORD
-
IST
Nonstop10h 20m
Turkish Airlines
Wed 21/1006:30
IST
-
ORD
Nonstop11h 10m
Turkish Airlines
Deal found 18/3£592
Wed 2/916:50
ORD
-
IST
1 stop15h 30m
Delta
Wed 13/104:50
IST
-
ORD
2 stops26h 14m
Delta
Deal found 22/3£594
Sun 3/506:50
ORD
-
IST
2 stops36h 50m
Scandinavian Airlines
Sat 16/504:30
IST
-
ORD
1 stop19h 40m
Scandinavian Airlines
Deal found 20/3£595
Sun 9/817:10
ORD
-
IST
1 stop26h 20m
Delta
Wed 26/806:00
IST
-
ORD
1 stop16h 30m
Delta
Deal found 22/3£597
Sat 29/819:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
Sat 12/904:30
IST
-
ORD
3 stops25h 06m
Scandinavian Airlines
Deal found 20/3£598

Find 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 23 March 2026.

Round-trip from

£537

One-way from

£383

Popular in

June

Cheapest in

November

Average price

£654

Good one-way deal

£1,402 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 30/8-17/1
  • 2 total stops
  • 44h 40m total
  • Chicago to Istanbul
Search Deals
Etihad Airways
  • Etihad Airways
  • 16/4
  • 1 total stop
  • 38h 35m total
  • Chicago to Istanbul
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£113 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Istanbul.
Search Deals

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 23 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 6/9

17:10-03:30

1 stop26h 20m

Istanbul

Tue 15/9

04:25-15:10

1 stop18h 45m

£694

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 25/8

18:10-03:30

2 stops25h 20m

Istanbul

Sun 27/9

06:00-21:36

2 stops23h 36m

£707

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 1/9

08:45-13:00

2 stops20h 15m

Istanbul

Wed 13/1

06:30-13:10

1 stop15h 40m

£708

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sat 18/4

17:10-03:30

1 stop26h 20m

Istanbul

Sun 26/4

06:00-15:10

2 stops17h 10m

£708

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 7/4

17:10-16:20

2 stops15h 10m

Istanbul

Thu 9/4

17:20-14:15

1 stop28h 55m

£714
Fastest return journey

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 7/4

17:10-16:20

2 stops15h 10m

Istanbul

Mon 20/4

06:00-15:10

2 stops17h 10m

£719

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Sun 10/5

17:19-01:20

2 stops24h 01m

Istanbul

Sun 17/5

06:00-14:15

1 stop16h 15m

£737

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Fri 31/7

16:20-01:20

1 stop25h 00m

Istanbul

Mon 17/8

17:20-14:15

1 stop28h 55m

£738

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Thu 3/9

17:10-16:20

2 stops15h 10m

Istanbul

Tue 8/9

06:00-15:10

2 stops17h 10m

£757

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

Tue 14/7

17:45-03:30

2 stops25h 45m

Istanbul

Wed 29/7

04:25-16:36

2 stops20h 11m

£800

Flights are sorted by cheapest return flights first.

Deals found on 22/3

Showing 1-10 of 22 resultsSorted by cheapest first
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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 13 March 2026.

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 85 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £320). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of £627). 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 23 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago O'Hare Intl Airport to Istanbul Airport as you normally would.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Istanbul Airport?

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Istanbul Airport?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Istanbul Airport in 10h 20m. Fly via KLM, Turkish Airlines, or Delta to get the fastest option. Chicago O'Hare Intl Airport and Istanbul Airport are separated by a distance of 5455 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 (63%), Pakistan International Airlines (63%) and MIAT Mongolian (63%).

  • 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 £1,402, our data shows the cheapest flight currently is £396. When looking at the most popular route, (Chicago O'Hare Intl - Istanbul), you can expect to pay £705 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, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £320). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of £627). 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

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Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Istanbul?

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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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