Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £405

IST — ORD
2 Dec — 9 Dec1
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

Tue 24/1118:00 -
1 stop29h 25m
Wed 2/1216:25 -
1 stop15h 30m
Deal found 2/11£523
Sun 8/1118:00 -
1 stop29h 25m
Tue 6/416:20 -
1 stop25h 00m
Deal found 2/11£525
Fri 20/1118:00 -
1 stop29h 25m
Mon 5/417:45 -
2 stops23h 35m
Deal found 30/10£526
Tue 24/1118:00 -
1 stop29h 25m
Tue 1/1218:25 -
1 stop14h 30m
Deal found 2/11£528
Tue 10/1118:00 -
1 stop29h 25m
Fri 12/218:25 -
1 stop14h 30m
Deal found 29/10£529
Tue 24/1107:15 -
1 stop18h 00m
Tue 13/419:40 -
2 stops21h 40m
Deal found 28/10£530
Fri 4/1207:15 -
1 stop18h 00m
Sat 23/116:25 -
1 stop15h 30m
Deal found 2/11£531
Mon 9/1118:00 -
2 stops31h 18m
Thu 11/213:35 -
2 stops19h 20m
Deal found 29/10£533

Find flight deals from Istanbul to O'Hare Intl

Round-trip from

£523

One-way from

£405

Popular in

August

Cheapest in

December

Average price

£585

Good one-way deal

£947 or less
Delta
  • Delta
  • 10/1-18/1
  • 2 total stops
  • 44h 55m total
  • Istanbul to Chicago
Air Serbia
  • Air Serbia
  • 27/11-31/12
  • 1 total stop
  • 18h 20m total
  • Istanbul to Chicago
Highest demand for flights based on searches. 12% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for round-trip flights in November 2026
Price to beat on a one-way flight from Istanbul to Chicago O'Hare Intl.

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 20/11

05:25-14:45

1 stop18h 20m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£405

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Sat 21/11

18:00-14:25

1 stop29h 25m

Chicago O'Hare Intl

Mon 30/11

16:25-16:55

1 stop15h 30m

£525

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Fri 20/11

18:00-14:25

1 stop29h 25m

Chicago O'Hare Intl

Mon 5/4

16:20-16:25

1 stop16h 05m

£526

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Tue 15/12

18:00-14:25

1 stop29h 25m

Chicago O'Hare Intl

Thu 11/2

07:00-16:55

2 stops24h 55m

£527

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Fri 12/2

18:00-16:37

2 stops31h 37m

Chicago O'Hare Intl

Sat 20/2

13:35-16:55

2 stops18h 20m

£529

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Fri 4/12

07:15-16:15

1 stop18h 00m

Chicago O'Hare Intl

Sat 23/1

16:25-16:55

1 stop15h 30m

£530

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Tue 24/11

07:15-16:15

1 stop18h 00m

Chicago O'Hare Intl

Tue 13/4

16:20-16:25

1 stop16h 05m

£530

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Fri 15/1

07:15-22:31

2 stops24h 16m

Chicago O'Hare Intl

Fri 19/2

09:30-16:55

2 stops22h 25m

£533
Fastest return journey

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Mon 9/11

07:35-10:00

Nonstop11h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£556

IstanbulChicago

IST Istanbul - ORD Chicago O'Hare Intl

ISTORD

Istanbul

Tue 24/11

07:35-10:00

Nonstop11h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-08:00

Nonstop0h 00m

£556

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 17 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 79 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, December is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £513). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £783). 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 typical for this route at the moment.

Istanbul Airport to Chicago O'Hare Intl Airport flights typically cost between £517 and £635 in January.
The cheapest return price found within the last 5 days was £523 on Delta (10 Jan–18 Jan).

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 29h 25m. Delta provides one of the quickest options available for as low as £525. The distance from Istanbul Airport to Chicago O'Hare Intl Airport is about 5455 mi.

  • 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: MIAT Mongolian (82%), Pakistan International Airlines (61%), IndiGo( 61%).

  • 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 £989, our data indicates the cheapest price to be £742. The most popular route (Istanbul - Chicago O'Hare Intl), is priced around £799.

  • 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, December is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £513). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £783). 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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