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Cheap flights from Chicago O'Hare Intl Airport to Istanbul Airport from £243

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IST
6 3월 — 13 3월1
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 October, booked 85 days in advance, depart on a Wednesday or Thursday and return on a Monday

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 4 2월 2026.

토 11/419:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
월 4/504:30
IST
-
ORD
3 stops25h 26m
Scandinavian Airlines
Deal found 3/2£506
목 30/411:08
ORD
-
IST
2 stops32h 32m
Scandinavian Airlines
목 21/504:30
IST
-
ORD
1 stop19h 40m
Scandinavian Airlines
Deal found 3/2£507
월 6/419:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
월 20/404:30
IST
-
ORD
3 stops25h 26m
Scandinavian Airlines
Deal found 4/2£510
금 24/419:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
일 10/504:30
IST
-
ORD
2 stops26h 05m
Scandinavian Airlines
Deal found 2/2£511
토 28/217:30
ORD
-
IST
1 stop13h 25m
Air Serbia
화 28/416:40
IST
-
ORD
1 stop29h 50m
Air Serbia
Deal found 4/2£512
수 1/419:15
ORD
-
IST
1 stop24h 25m
Scandinavian Airlines
수 15/404:30
IST
-
ORD
3 stops25h 26m
Scandinavian Airlines
Deal found 4/2£514
화 5/506:50
ORD
-
IST
2 stops36h 50m
Scandinavian Airlines
화 19/504:30
IST
-
ORD
1 stop19h 40m
Scandinavian Airlines
Deal found 3/2£529
수 4/316:25
ORD
-
IST
1 stop15h 30m
KLM
토 7/304:50
IST
-
ORD
1 stop19h 20m
KLM
Deal found 3/2£530
일 1/316:25
ORD
-
IST
1 stop15h 30m
KLM
화 10/304:50
IST
-
ORD
1 stop19h 20m
KLM
Deal found 2/2£531
수 18/216:25
ORD
-
IST
1 stop15h 30m
KLM
토 28/217:55
IST
-
ORD
1 stop29h 25m
KLM
Deal found 4/2£532
수 4/316:25
ORD
-
IST
1 stop15h 30m
KLM
일 15/317:55
IST
-
ORD
1 stop29h 25m
KLM
Deal found 3/2£532

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 4 2월 2026.

Round-trip from

£506

One-way from

£243

Popular in

June

Cheapest in

November

Average price

£674

Good round-trip deal

£582 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 11/4-4/5
  • 4 total stops
  • 49h 51m total
  • Chicago to Istanbul
Search Deals
7/5
  • 7/5
  • 3 total stops
  • 33h 45m total
  • Chicago to Istanbul
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£101 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip 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 4 2월 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

O'Hare Intl

Fly to

Istanbul

Route

Depart

Return

Price

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

금 24/4

19:15-03:40

1 stop24h 25m

Istanbul

일 10/5

04:30-22:35

2 stops26h 05m

£511

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

월 16/2

16:25-16:55

1 stop15h 30m

Istanbul

목 19/2

17:55-14:20

1 stop29h 25m

£532

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

월 2/3

14:12-16:55

2 stops17h 43m

Istanbul

월 9/3

04:50-16:10

1 stop19h 20m

£534

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

화 3/3

17:37-16:55

2 stops14h 18m

Istanbul

화 10/3

04:50-16:10

1 stop19h 20m

£534

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

금 20/2

14:12-16:55

2 stops17h 43m

Istanbul

일 1/3

17:55-14:20

1 stop29h 25m

£535

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

수 18/2

16:25-16:55

1 stop15h 30m

Istanbul

일 1/3

04:50-16:41

2 stops20h 51m

£538

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

일 1/3

16:25-16:55

1 stop15h 30m

Istanbul

화 10/3

04:50-18:31

2 stops21h 41m

£538

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

일 22/2

17:20-03:50

1 stop25h 30m

Istanbul

화 24/2

04:50-15:10

1 stop19h 20m

£539

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

금 20/2

14:12-16:55

2 stops17h 43m

Istanbul

일 1/3

04:50-16:41

2 stops20h 51m

£541

ChicagoIstanbul

ORD - IST

ORDIST

Chicago O'Hare Intl

수 8/4

16:50-16:20

1 stop15h 30m

Istanbul

목 23/4

04:25-15:10

1 stop18h 45m

£545

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 20 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 30 January 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £306). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of £612). 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 4 2월 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.

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 15h 30m. Fly via Scandinavian Airlines or KLM 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 (53%), Turkish Airlines (53%) and Pakistan International Airlines (53%).

  • 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 £599, our data shows the cheapest flight currently is £577. When looking at the most popular route, (Chicago O'Hare Intl - Istanbul), you can expect to pay £687 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Istanbul Airport (average of £306). Flying from Chicago O'Hare Intl Airport to Istanbul Airport in June is currently the most expensive (average of £612). 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 find flights from O'Hare Intl to Istanbul with no change fees?

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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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