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Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £437

IST — ORD
17 Oct — 24 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Istanbul to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Istanbul to O'Hare Intl

Thu 19/1116:25 -
2 stops37h 24m
Fri 4/1220:40 -
2 stops35h 15m
Deal found 15/9£451
Thu 19/1116:25 -
2 stops27h 00m
Wed 2/1215:59 -
2 stops16h 56m
Deal found 15/9£457
Thu 19/1107:15 -
1 stop18h 00m
Sat 5/1218:25 -
1 stop14h 20m
Deal found 15/9£482
Mon 12/1017:20 -
1 stop28h 55m
Mon 26/1015:05 -
2 stops17h 50m
Deal found 16/9£483
Thu 19/1107:15 -
1 stop18h 00m
Fri 4/1215:05 -
2 stops16h 50m
Deal found 15/9£485
Thu 24/906:00 -
1 stop16h 15m
Tue 6/1016:15 -
1 stop16h 05m
Deal found 14/9£494
Fri 25/906:00 -
1 stop16h 15m
Wed 9/1216:25 -
1 stop15h 30m
Deal found 15/9£502
Fri 25/906:00 -
2 stops21h 33m
Thu 10/1218:25 -
1 stop14h 20m
Deal found 15/9£503
Thu 19/1118:35 -
1 stop33h 50m
Tue 22/1215:50 -
2 stops24h 10m
Deal found 16/9£515
Tue 17/1107:40 -
1 stop20h 50m
Thu 3/1218:50 -
1 stop13h 50m
Deal found 15/9£515
Sat 21/1118:35 -
1 stop28h 10m
Sun 29/1120:00 -
1 stop19h 50m
Deal found 14/9£516
Tue 20/1014:35 -
2 stops34h 15m
Mon 2/1121:50 -
1 stop31h 05m
Deal found 16/9£518

Find flight deals from Istanbul to O'Hare Intl

Round-trip from

£451

One-way from

£437

Popular in

August

Cheapest in

January

Average price

£540

Good one-way deal

£943 or less
Delta
  • Delta
  • 19/11-5/12
  • 4 total stops
  • 51h 50m total
  • Istanbul to Chicago
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Lufthansa
  • Lufthansa
  • 19/10-31/12
  • 1 total stop
  • 22h 05m total
  • Istanbul to Chicago
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£63 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Istanbul to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Istanbul Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Fri 8/1

06:30-20:05

1 stop22h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£437

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Sat 10/10

05:50-17:05

2 stops19h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£471

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 9/11

06:30-22:18

3 stops24h 48m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£471

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Wed 30/9

05:40-05:59

2 stops32h 19m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£471

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 28/9

03:45-14:05

1 stop18h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£476
Fastest return journey

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Tue 8/12

07:35-10:00

Nonstop11h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£489

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 12/10

20:15-21:05

2 stops32h 50m

Chicago O'Hare Intl

Mon 26/10

17:11-17:35

2 stops16h 24m

£521

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 19/10

17:20-14:15

1 stop28h 55m

Chicago O'Hare Intl

Wed 4/11

16:40-16:55

2 stops39h 15m

£535

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 12/10

17:20-17:20

2 stops32h 00m

Chicago O'Hare Intl

Mon 26/10

15:05-16:55

2 stops17h 50m

£535

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Wed 2/12

18:00-14:25

1 stop29h 25m

Chicago O'Hare Intl

Tue 9/3

18:25-17:45

1 stop14h 20m

£535

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Istanbul to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Istanbul with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Istanbul Airport to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Istanbul Airport to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £493). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £779). 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 IST to ORD?

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

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

Airfare is below average for this route at the moment.

Istanbul Airport to Chicago O'Hare Intl Airport flights typically cost between £509 and £640 in November.
The cheapest return price found within the last 5 days was £451 on Delta (19 Nov–4 Dec).

Related info for your journey

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

    A quick flight from Istanbul Airport to Chicago O'Hare Intl Airport can take about 32h. British Airways provides one of the quickest options available for as low as £535. The distance from Istanbul Airport to Chicago O'Hare Intl Airport is about 5455 mi. This flight may include one or multiple stops.

  • What are the most reliable airlines from Istanbul Airport to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Istanbul Airport, check out the most reliable airlines to get you to your destination on time: Uzbekistan Airways (59%), Pakistan International Airlines (59%), IndiGo( 59%).

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

    Looking for the cheapest flight from Istanbul Airport to Chicago O'Hare Intl Airport? While on average our users pay £985, our data indicates the cheapest price to be £739. The most popular route (Istanbul - Chicago O'Hare Intl), is priced around £1,107.

  • Can I find deals for flights from Istanbul to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Istanbul to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Istanbul to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Istanbul to O'Hare Intl.

  • Can I find deals for business class flights from Istanbul to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Istanbul to O'Hare Intl 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 Istanbul Airport to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £493). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £779). 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
Elk Grove Village

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When you search for this flight from Istanbul to O'Hare Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Istanbul.

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Yes! Cheapflights helps users easily find flights from Istanbul to O'Hare Intl with no change fees.

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Not ready to book yet? You can track prices for flights from Istanbul to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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