Question 1

What are the cheapest airlines flying from Istanbul Airport to Chicago O'Hare Intl Airport round-trip?

Accepted Answer

According to our current data, KLM (£389), Icelandair (£435), and United Airlines (£452) offers the cheapest pricing from Istanbul Airport to Chicago O'Hare Intl Airport. KLM is priced at 30% lower than the current average price of a flight leaving 3 months from now.

Question 2

What are the cheapest airlines to fly from Istanbul Airport to Chicago O'Hare Intl Airport one-way?

Accepted Answer

To fly one-way, consider booking your trip with Air Serbia, which is currently one of the cheapest options available, starting at £355. Royal Jordanian flights start at £373 while deals on Icelandair start at £386 one-way.

Question 3

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

Accepted Answer

The best time to book flights from Istanbul Airport to Chicago O'Hare Intl Airport is 61 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.

Question 4

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

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Istanbul Airport to Chicago O'Hare Intl Airport (average of £595). Flying from Istanbul Airport to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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.

Question 5

What is the cheapest day to fly from Istanbul Airport to Chicago O'Hare Intl Airport?

Accepted Answer

Travellers seeking maximum savings on their Istanbul Airport to Chicago O'Hare Intl Airport flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

Weekly flight availability from Istanbul Airport to Chicago O'Hare Intl Airport

Accepted Answer

The most flights from IST to ORD are scheduled on a Monday (10 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Question 7

E

Accepted Answer

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Question 8

E

Accepted Answer

If weather is an important factor for your trip to Chicago O'Hare Intl 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).

Question 9

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

Accepted Answer

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: Pakistan International Airlines (75%), MIAT Mongolian (75%), IndiGo( 75%).

Question 10

What is the cheapest day to fly round-trip from Istanbul Airport to Chicago O'Hare Intl Airport?

Accepted Answer

Travelers have found that booking a Sunday departure is the best way to save up to 23% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 11

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

Accepted Answer

To save up to 70% on this flight, we recommend booking at least 58 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Istanbul Airport to Chicago O'Hare Intl Airport from £508 1-2 weeks out and tickets from £650 for flights departing within the next 72 hours.

Question 12

What is the cheapest month to fly from Istanbul Airport to Chicago O'Hare Intl Airport?

Accepted Answer

The best pricing can be found in the month of January. Prices to Chicago O'Hare Intl Airport from Istanbul Airport average £540. You can even find prices in January for less than £540, as users have found deals to Chicago O'Hare Intl Airport from as low as £322. The month of August appears to be one of the more expensive times to travel to Chicago O'Hare Intl Airport from Istanbul Airport. Flying in the targeted month can save you up to 30%.

Question 13

What is the cheapest time of day to fly from IST to ORD?

Accepted Answer

A simple way to save on the total cost of your ticket is to fly from Istanbul Airport to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at midday.

Question 14

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

Accepted Answer

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

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

How does Cheapflights help users find flights from Istanbul to O'Hare Intl?

Accepted Answer

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.

Question 18

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

Accepted Answer

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.

Question 19

Can Cheapflights find flights from Istanbul to O'Hare Intl with no change fees?

Accepted Answer

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

Question 20

Can Cheapflights notify me if prices for flights from Istanbul to O'Hare Intl become cheaper?

Accepted Answer

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.

Round-trip from	£389
One-way from	£355
Popular in	August
Cheapest in	February
Average price	£634

Cheap flights from Istanbul Airport to Chicago O'Hare Intl Airport from £355

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Istanbul to Chicago O'Hare Intl are usually found in February or November, booked 61 days in advance, depart on a Monday or Saturday and return on a Monday

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Find flight deals from Istanbul to O'Hare Intl

Cheapest flights from Istanbul to O'Hare IntlExplore the most affordable flight options available from Istanbul to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

Explore the most affordable flight options available from Istanbul to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.

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

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.

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?

Use this chart to determine the optimal time to book a return flight from Istanbul to O'Hare Intl. Price data was last updated on 27 June 2025.

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

What is the cheapest time of day to fly from IST to ORD?

Find hourly flight availability from Istanbul to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 July 2025.

Weekly flight availability from Istanbul Airport to Chicago O'Hare Intl Airport

Explore weekly flight availability from Istanbul to O'Hare Intl. 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 2 July 2025.

Reviews of airlines servicing O'Hare Intl

Read through reviews of airlines operating flights from Istanbul Airport to Chicago O'Hare Intl Airport, such as Delta, KLM, andLOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Istanbul to O'Hare Intl. 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 Istanbul Airport to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Istanbul Airport to Chicago O'Hare Intl Airport one-way?

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

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

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

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

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

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How does Cheapflights help users find flights from Istanbul to O'Hare Intl?

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

Can Cheapflights find flights from Istanbul to O'Hare Intl with no change fees?

Can Cheapflights notify me if prices for flights from Istanbul to O'Hare Intl become cheaper?

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Cheapest flights from Istanbul to O'Hare Intl
Explore the most affordable flight options available from Istanbul to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 July 2025.