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$702+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — ORD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Graz to Illinois

Keep the following information in mind while searching for Graz to Illinois flight deals. Data was last updated July 29, 2025.

Round-trip from

$702
(Booking.com)

Popular in

December

Cheapest in

February

Average price

$797
From Graz Thalerhof to Illinois
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This Booking.com deal was found by Cheapflights users on 7/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/172:50 pmGRZ - ORD
1 stop27h 10mLufthansa
Sun 8/2410:30 pmORD - GRZ
1 stop12h 50mLufthansa
Deal found 7/27$702
This Booking.com deal was found by Cheapflights users on 7/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/232:15 pmGRZ - ORD
1 stop12h 50mMultiple Airlines
Wed 12/36:50 pmORD - GRZ
1 stop16h 15mMultiple Airlines
Deal found 7/29$710
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:00 amGRZ - ORD
2 stops32h 18mAir Canada
Thu 11/2712:50 pmORD - GRZ
2 stops17h 00mAir Canada
Deal found 7/29$726
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/213:15 pmGRZ - ORD
1 stop32h 05mSWISS
Sat 1/36:50 pmORD - GRZ
1 stop32h 05mSWISS
Deal found 7/27$913
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Fri 9/56:00 amGRZ - ORD
1 stop14h 20mAustrian Airlines
Mon 9/224:20 pmORD - GRZ
1 stop11h 30mAustrian Airlines
Deal found 7/27$2,006

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 July 29, 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

Sun 8/17

2:50 pm-11:00 am

1 stop27h 10m

Chicago O'Hare Intl

Sun 8/24

10:30 pm-6:20 pm

1 stop12h 50m

$702

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Sun 11/23

2:15 pm-8:05 pm

1 stop12h 50m

Chicago O'Hare Intl

Wed 12/3

6:50 pm-6:05 pm

1 stop16h 15m

$710

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 11/19

10:00 am-11:18 am

2 stops32h 18m

Chicago O'Hare Intl

Thu 11/27

12:50 pm-12:50 pm

2 stops17h 00m

$726

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Sun 12/21

3:15 pm-4:20 pm

1 stop32h 05m

Chicago O'Hare Intl

Sat 1/3

6:50 pm-9:55 am

1 stop32h 05m

$913

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Fri 9/5

6:00 am-1:20 pm

1 stop14h 20m

Chicago O'Hare Intl

Mon 9/22

4:20 pm-10:50 am

1 stop11h 30m

$2,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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, August is the cheapest month in which you can book a flight from Graz to Illinois (average of $245). Flying from Graz to Illinois in March is currently the most expensive (average of $321). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, SWISS, and Air Canada from Graz to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Austrian Airlines
7.6
Good
821 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
SWISS
7.5
Good
1,683 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Air Canada
7.1
Good
9,822 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time
Lufthansa
6.8
Okay
7,265 reviews
Austrian Airlines
7.6
Good
821 reviews

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dominik,Jun 2025

VIE - VNO

Good service and update all information. I feel like i wanna use it again next time

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.

  • 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, August is the cheapest month in which you can book a flight from Graz to Illinois (average of $245). Flying from Graz to Illinois in March is currently the most expensive (average of $321). 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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