HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$686+ Cheap flights from Graz (GRZ) to Illinois

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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Graz to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$702
(Lufthansa)

One-way from

$686
(Kiwi.com)

Popular in

September

Cheapest in

February

Average price

$753
From Graz Thalerhof to Illinois
Search Deals
One-way flight from Graz Thalerhof to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($61 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 June 2025
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 June 12, 2025.

This Lufthansa deal was found by Cheapflights users on 6/12. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/106:00 amGRZ - ORD
1 stop15h 55mLufthansa
Wed 4/89:40 pmORD - GRZ
1 stop11h 35mLufthansa
Deal found 6/12$702
This Air Canada deal was found by Cheapflights users on 6/10. 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 7/99:55 amGRZ - ORD
2 stops29h 04mAir Canada
Wed 4/81:40 pmORD - GRZ
2 stops15h 55mAir Canada
Deal found 6/10$719
This Gotogate deal was found by Cheapflights users on 6/10. 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 7/37:45 pmGRZ - ORD
1 stop23h 25mMultiple Airlines
Tue 7/810:40 amORD - GRZ
2 stops18h 55mMultiple Airlines
Deal found 6/10$733
This SWISS deal was found by Cheapflights users on 6/10. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/37:45 pmGRZ - ORD
1 stop23h 25mSWISS
Tue 7/82:20 pmORD - GRZ
1 stop20h 35mSWISS
Deal found 6/10$736
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/96:00 amGRZ - ORD
2 stops14h 45mAustrian Airlines
Wed 4/81:12 pmORD - GRZ
2 stops14h 38mAustrian Airlines
Deal found 6/11$790

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 June 12, 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 7/10

6:00 am-2:55 pm

1 stop15h 55m

Chicago O'Hare Intl

Wed 4/8

9:40 pm-4:15 pm

1 stop11h 35m

$702

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 7/9

9:55 am-7:59 am

2 stops29h 04m

Chicago O'Hare Intl

Wed 4/8

1:40 pm-12:35 pm

2 stops15h 55m

$719

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 7/3

7:45 pm-12:10 pm

1 stop23h 25m

Chicago O'Hare Intl

Tue 7/8

10:40 am-12:35 pm

2 stops18h 55m

$733

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Thu 7/3

7:45 pm-12:10 pm

1 stop23h 25m

Chicago O'Hare Intl

Tue 7/8

2:20 pm-5:55 pm

1 stop20h 35m

$736

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Wed 7/9

6:00 am-1:45 pm

2 stops14h 45m

Chicago O'Hare Intl

Wed 4/8

1:12 pm-10:50 am

2 stops14h 38m

$790

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Fri 7/18

11:15 am-8:00 pm

2 stops39h 45m

$686

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Sun 6/29

4:35 pm-12:50 pm

2 stops27h 15m

$788

GrazChicago

GRZ - ORD

GRZORD

Graz Thalerhof

Sun 6/29

4:35 pm-11:00 am

2 stops25h 25m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

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 June 12, 2025.
Austrian Airlines
7.6
Good
802 reviews

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
802 reviews
Austrian Airlines
7.6
Good
802 reviews

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
SWISS
7.5
Good
1,623 reviews
Austrian Airlines
7.6
Good
802 reviews

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Air Canada
7.1
Good
9,531 reviews
Austrian Airlines
7.6
Good
802 reviews

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Lufthansa
6.8
Okay
7,136 reviews
Austrian Airlines
7.6
Good
802 reviews

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Overall

7.6

Entertainment

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Graz to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Vienna to Newark flights
Vienna to John F Kennedy Intl flights
Vienna to LaGuardia flights
Vienna to Los Angeles flights
Vienna to O'Hare Intl flights
Vienna to Miami flights
Vienna to Dulles Intl flights
Vienna to San Francisco flights
Vienna to Fort Lauderdale flights
Vienna to Boston flights
Vienna to Honolulu flights
Vienna to Las Vegas flights
Vienna to Baltimore flights
Vienna to West Palm Beach flights
Vienna to Reagan-National flights
Vienna to Seattle flights
Vienna to Orlando flights
Graz to John F Kennedy Intl flights
Graz to Newark flights
Vienna to Dallas/Fort Worth flights
Vienna to Tampa flights
Salzburg to Newark flights
Vienna to Hobby flights
Salzburg to John F Kennedy Intl flights
Vienna to Atlanta flights
Vienna to George Bush Intcntl flights
Vienna to Love Field flights
Vienna to Albuquerque flights
Vienna to Minneapolis flights
Vienna to Denver flights
Vienna to Fort Myers flights
Vienna to Stewart flights
Vienna to Santa Ana flights
Vienna to Pittsburgh flights
Vienna to Philadelphia flights
Innsbruck to Newark flights
Vienna to Nashville flights
Vienna to New Orleans flights
Vienna to San Diego flights
Vienna to Salt Lake City flights
Graz to San Francisco flights
Innsbruck to John F Kennedy Intl flights

Top airline flying from Graz to Illinois

Discover the top airline that operate flights from Graz to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$657Average$887FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.