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$728+ Cheap flights from Illinois to Graz (GRZ)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRZ
ago 5 — ago 121
mar 8/5
mar 8/12
1 adult, Economy
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Cheap flight deals from Illinois to Graz

Keep the following information in mind while searching for Illinois to Graz flight deals. Data was last updated luglio 31, 2025.

Round-trip from

$728
(Booking.com)

Popular in

June

Cheapest in

August

Average price

$999
From Illinois to Graz Thalerhof
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($172 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Illinois to Graz

Cheapest flights from Illinois to Graz
Explore the most affordable flight options available from Illinois to Graz. Find the lowest fares from popular airlines and budget airlines, with prices last updated on luglio 31, 2025.

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.
mer 12/109:50 pmORD - GRZ
1 stop10h 50mMultiple Airlines
mar 1/139:55 amGRZ - ORD
2 stops16h 35mMultiple Airlines
Deal found 7/29$728
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer 12/109:50 pmORD - GRZ
1 stop17h 50mLufthansa
mar 1/136:05 amGRZ - ORD
1 stop14h 05mLufthansa
Deal found 7/29$730
This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar 9/27:11 amORD - GRZ
2 stops22h 24mAir Canada
mar 10/76:00 amGRZ - ORD
2 stops34h 51mAir Canada
Deal found 7/31$782
This Austrian Airlines deal was found by Cheapflights users on 7/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun 9/14:20 pmORD - GRZ
1 stop24h 00mAustrian Airlines
lun 10/611:25 amGRZ - ORD
1 stop32h 55mAustrian Airlines
Deal found 7/31$788

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Graz 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 luglio 31, 2025.
Use the filters below to find and compare flights from Illinois to Graz that are best for you.

Fly from

Illinois

Fly to

Graz

Route

Depart

Return

Price

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mer 12/10

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

mar 1/13

9:55 am-7:30 pm

2 stops16h 35m

$728

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mer 12/10

9:50 pm-10:40 pm

1 stop17h 50m

Graz Thalerhof

mar 1/13

6:05 am-1:10 pm

1 stop14h 05m

$730

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mar 9/2

7:11 am-12:35 pm

2 stops22h 24m

Graz Thalerhof

mar 10/7

6:00 am-9:51 am

2 stops34h 51m

$782

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

lun 9/1

4:20 pm-11:20 pm

1 stop24h 00m

Graz Thalerhof

lun 10/6

11:25 am-1:20 pm

1 stop32h 55m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Illinois to Graz

Have a flexible travel schedule? Discover the best time to fly to Graz from Illinois 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 Illinois to Graz
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Graz

Get insights into the airlines that provide service to Graz. 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 Graz. Reviews last updated luglio 31, 2025.
Peruse reviews from past customers who have flown with Austrian Airlines, Air Canada, and Lufthansa from Illinois to Graz 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
823 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

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
823 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

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
9,842 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

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
7,269 reviews
Austrian Airlines
7.6
Good
823 reviews

Comfort

7.3

Boarding

7.6

Food

6.8

Overall

7.6

Crew

8.1

Entertainment

6.8

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 Illinois to Graz. 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 into for flights to Graz from Illinois?

    If you book a flight to Graz from Illinois, you will be flying to Thalerhof, which is the city’s only airport. Graz Thalerhof (GRZ) is located 5.2 mi from the center of Graz.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Graz by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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