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Graz

$523+ Cheap flights from Illinois to Graz (GRZ)

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GRZ
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap 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 February 11, 2026.

This Mytrip deal was found by Cheapflights users on 2/9. 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.
Wed 3/118:20 pm
ORD
-
GRZ
3 stops21h 00m
Multiple Airlines
Sun 3/152:15 pm
GRZ
-
ORD
3 stops33h 30m
Multiple Airlines
Deal found 2/9$884
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Wed 4/112:50 pm
ORD
-
GRZ
2 stops16h 45m
Multiple Airlines
Thu 4/306:15 am
GRZ
-
ORD
2 stops20h 50m
Multiple Airlines
Deal found 2/10$907
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:40 pm
ORD
-
GRZ
1 stop11h 30m
Lufthansa
Thu 4/3010:05 am
GRZ
-
ORD
1 stop16h 50m
Lufthansa
Deal found 2/10$967
This Gotogate deal was found by Cheapflights users on 2/7. 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.
Wed 5/209:55 am
ORD
-
GRZ
2 stops19h 40m
Multiple Airlines
Wed 5/276:00 am
GRZ
-
ORD
2 stops20h 25m
Multiple Airlines
Deal found 2/7$1,068
This Gotogate deal was found by Cheapflights users on 2/10. 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.
Thu 3/1210:00 am
ORD
-
GRZ
2 stops20h 55m
Multiple Airlines
Thu 3/196:05 am
GRZ
-
ORD
2 stops17h 43m
Multiple Airlines
Deal found 2/10$1,077
This Air Canada deal was found by Cheapflights users on 2/10. 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 5/209:04 am
ORD
-
GRZ
2 stops20h 31m
Air Canada
Wed 5/279:50 am
GRZ
-
ORD
2 stops16h 35m
Air Canada
Deal found 2/10$1,094
This Cheapflightsfares deal was found by Cheapflights users on 2/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:40 pm
ORD
-
GRZ
1 stop11h 30m
Lufthansa
Wed 5/2710:25 am
GRZ
-
ORD
1 stop16h 30m
Lufthansa
Deal found 2/10$1,100
This Condor deal was found by Cheapflights users on 2/11. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/279:20 am
MDW
-
GRZ
2 stops17h 25m
Multiple Airlines
Tue 8/46:25 am
GRZ
-
MDW
2 stops21h 25m
Multiple Airlines
Deal found 2/11$1,276
This Condor deal was found by Cheapflights users on 2/11. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/249:20 am
MDW
-
GRZ
2 stops21h 35m
Multiple Airlines
Sat 8/16:00 am
GRZ
-
MDW
2 stops20h 35m
Multiple Airlines
Deal found 2/11$1,666

Find flight deals from Illinois to Graz

Keep the following information in mind while searching for Illinois to Graz flight deals. Data was last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$884
(Mytrip)

One-way from

$523
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$758
Provider with most accurate pricing for Chicago (CHI)-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Vienna Intl flights.
Search Deals
From Illinois to Graz Thalerhof
Search Deals
One-way flight from Illinois to Graz Thalerhof
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($240 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 11, 2026.
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

Wed 3/11

8:20 pm-11:20 pm

3 stops21h 00m

Graz Thalerhof

Sun 3/15

2:15 pm-5:45 pm

3 stops33h 30m

$884

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 4/1

12:50 pm-12:35 pm

2 stops16h 45m

Graz Thalerhof

Thu 4/30

6:15 am-8:05 pm

2 stops20h 50m

$907

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 4/1

9:40 pm-4:10 pm

1 stop11h 30m

Graz Thalerhof

Thu 4/30

10:05 am-7:55 pm

1 stop16h 50m

$967

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/20

9:55 am-12:35 pm

2 stops19h 40m

Graz Thalerhof

Wed 5/27

6:00 am-7:25 pm

2 stops20h 25m

$1,068

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/20

9:04 am-12:35 pm

2 stops20h 31m

Graz Thalerhof

Wed 5/27

9:50 am-7:25 pm

2 stops16h 35m

$1,094

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/20

9:40 pm-4:10 pm

1 stop11h 30m

Graz Thalerhof

Wed 5/27

6:00 am-12:55 pm

1 stop13h 55m

$1,100

ChicagoGraz

MDW - GRZ

MDWGRZ

Chicago Midway

Mon 7/27

9:20 am-9:45 am

2 stops17h 25m

Graz Thalerhof

Tue 8/4

6:25 am-8:50 pm

2 stops21h 25m

$1,276

ChicagoGraz

MDW - GRZ

MDWGRZ

Chicago Midway

Fri 7/24

9:20 am-1:55 pm

2 stops21h 35m

Graz Thalerhof

Sat 8/1

6:00 am-7:35 pm

2 stops20h 35m

$1,666

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Tue 6/30

9:00 pm-4:55 pm

2 stops36h 55m

$523

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 6/28

9:00 pm-10:15 am

3 stops30h 15m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 15 results
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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

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

Currently, January is the cheapest month in which you can book a flight from Illinois to Graz (average of $433). Flying from Illinois to Graz in June is currently the most expensive (average of $794). 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 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.

  • How long is the flight from Illinois to Graz?

    Lufthansa can get you from Illinois to Graz in just under 11h 30m. Your travel time can differ by up to . The distance between Illinois and Graz is about 4706 mi.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Illinois to Graz (average of $433). Flying from Illinois to Graz in June is currently the most expensive (average of $794). 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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