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$592+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — ORD
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Round-trip from

$592
(Flysmarter)

Popular in

September

Cheapest in

February
From Graz Thalerhof to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals

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 March 31, 2025.

This Flysmarter deal was found by Cheapflights users on 3/30. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:55 amGRZ - ORD
2 stops15h 35mMultiple Airlines
Thu 5/89:40 pmORD - GRZ
1 stop11h 35mMultiple Airlines
Deal found 3/30$592
This Flysmarter deal was found by Cheapflights users on 3/31. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/236:00 amGRZ - ORD
1 stop13h 55mLufthansa
Thu 5/89:40 pmORD - GRZ
1 stop11h 35mLufthansa
Deal found 3/31$594
This Flysmarter deal was found by Cheapflights users on 3/31. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/239:55 amGRZ - ORD
2 stops15h 35mAir Canada
Thu 5/84:00 pmORD - GRZ
2 stops13h 35mAir Canada
Deal found 3/31$598
This Austrian Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/247:45 pmGRZ - ORD
1 stop24h 00mAustrian Airlines
Thu 5/84:05 pmORD - GRZ
2 stops24h 15mAustrian Airlines
Deal found 3/31$626
This SWISS deal was found by Cheapflights users on 3/30. 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.
Wed 7/96:45 pmGRZ - ORD
2 stops26h 00mSWISS
Wed 7/232:20 pmORD - GRZ
1 stop21h 40mSWISS
Deal found 3/30$633
This flugladen.de deal was found by Cheapflights users on 3/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/36:00 amGRZ - ORD
1 stop13h 55mBrussels Airlines
Fri 6/136:00 pmORD - GRZ
1 stop15h 15mBrussels Airlines
Deal found 3/31$4,478

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 March 31, 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

Wed 4/23

9:55 am-6:30 pm

2 stops15h 35m

Chicago O'Hare Intl

Thu 5/8

9:40 pm-4:15 pm

1 stop11h 35m

$592

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 4/23

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Thu 5/8

9:40 pm-4:15 pm

1 stop11h 35m

$594

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 4/23

9:55 am-6:30 pm

2 stops15h 35m

Chicago O'Hare Intl

Thu 5/8

4:00 pm-12:35 pm

2 stops13h 35m

$598

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 4/24

7:45 pm-12:45 pm

1 stop24h 00m

Chicago O'Hare Intl

Thu 5/8

4:05 pm-11:20 pm

2 stops24h 15m

$626

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 7/9

6:45 pm-1:45 pm

2 stops26h 00m

Chicago O'Hare Intl

Wed 7/23

2:20 pm-7:00 pm

1 stop21h 40m

$633

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Tue 6/3

6:00 am-12:55 pm

1 stop13h 55m

Chicago O'Hare Intl

Fri 6/13

6:00 pm-4:15 pm

1 stop15h 15m

$4,478

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Sun 6/29

4:55 pm-11:25 am

2 stops25h 30m

$793

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 $323). 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.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 31, 2025.
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
770 reviews
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,570 reviews
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Brussels Airlines
7.4
Good
345 reviews
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,004 reviews
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,960 reviews
Austrian Airlines
7.6
Good
770 reviews

Entertainment

6.7

Comfort

7.3

Food

6.8

Boarding

7.6

Crew

8.1

Overall

7.6

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 $323). 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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