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$744+ Cheap flights from Graz (GRZ) to Illinois

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — ORD
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Graz to Illinois

Cheapest flights from Graz to Illinois
Explore the most affordable flight options available from Graz to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:10 amGRZ - ORD
2 stops13h 35mLufthansa
Fri 12/266:00 pmORD - GRZ
1 stop14h 40mLufthansa
Deal found 12/14$937
This Flightnetwork deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:10 amGRZ - ORD
2 stops13h 35mMultiple Airlines
Fri 12/268:30 pmORD - GRZ
2 stops36h 10mMultiple Airlines
Deal found 12/14$1,020

Find flight deals from Graz to Illinois

Keep the following information in mind while searching for Graz to Illinois flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$744
(Cheapflightsfares)

Popular in

December

Cheapest in

February

Average price

$801
Provider with most accurate pricing for Vienna Intl-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Vienna Intl-Chicago (CHI) flights.
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From Graz Thalerhof to Illinois
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Graz to Illinois 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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Graz to Illinois that are best for you.

Fly from

Graz

Fly to

Illinois

Route

Depart

Return

Price

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 1/15

6:05 am-3:20 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 1/20

9:50 pm-3:40 pm

1 stop10h 50m

$744

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 1/15

6:05 am-3:20 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 1/20

3:45 pm-1:45 pm

2 stops15h 00m

$751

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 4/16

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Mon 4/20

3:00 pm-2:05 pm

1 stop16h 05m

$766

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 1/15

6:05 am-6:37 pm

2 stops19h 32m

Chicago O'Hare Intl

Tue 1/20

2:27 pm-1:35 pm

2 stops16h 08m

$772

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Graz to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Graz with our price prediction graph.
Estimated round-trip 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 Graz to Illinois

What is the cheapest month to book a flight from Graz to Illinois?

Currently, October is the cheapest month in which you can book a flight from Graz to Illinois (average of $401). Flying from Graz to Illinois in December is currently the most expensive (average of $618). 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.

Related info for your journey

Find useful and relevant information for your journey from Graz to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Graz to Illinois?

    Graz Thalerhof (GRZ) is the airport you will fly out of if you book a flight from Graz to Illinois. It is only a 5.2 mi journey to Thalerhof (GRZ) from Graz’s city center.

  • How long is the flight from Graz to Illinois?

    Lufthansa and United Airlines can get you from Graz to Illinois in just under 13h 55m. Your travel time can differ by up to 2h 20m. Airlines will cover a distance of 4706 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Graz to Illinois that include hotel bookings?

    Yes. In addition to deals on Graz to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Graz to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Graz to Illinois.

  • Can I find deals for business class flights from Graz to Illinois?

    Yes. Cheapflights offers flight deals from Graz to Illinois 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 Graz to Illinois?

    Currently, October is the cheapest month in which you can book a flight from Graz to Illinois (average of $401). Flying from Graz to Illinois in December is currently the most expensive (average of $618). 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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