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Cheap flights from Illinois to Graz from $443

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Graz departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Graz

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:01 am - 1:55 pm
ORD
-
GRZ
19h 54m
2 stops
Multiple Airlines Logo
6:10 am - 7:27 pm
GRZ
-
ORD
20h 17m
2 stops
$931Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
Multiple Airlines Logo
11:01 am - 1:55 pm
ORD
-
GRZ
19h 54m
2 stops
Multiple Airlines Logo
6:10 am - 7:27 pm
GRZ
-
ORD
20h 17m
2 stops
$933Multiple Airlines
Fri, Aug 14 - Fri, Aug 21
SWISS Logo
2:20 pm - 8:45 am
ORD
-
GRZ
11h 25m
1 stop
SWISS Logo
10:50 am - 12:35 pm
GRZ
-
ORD
32h 45m
1 stop
$966SWISS
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:40 am - 12:35 pm
ORD
-
GRZ
20h 55m
2 stops
Multiple Airlines Logo
10:50 am - 12:35 pm
GRZ
-
ORD
32h 45m
1 stop
$972Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:40 am - 12:35 pm
ORD
-
GRZ
20h 55m
2 stops
Multiple Airlines Logo
10:50 am - 12:35 pm
GRZ
-
ORD
32h 45m
1 stop
$977Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
3:40 pm - 12:35 pm
ORD
-
GRZ
13h 55m
2 stops
Multiple Airlines Logo
10:50 am - 12:35 pm
GRZ
-
ORD
32h 45m
1 stop
$981Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
4:20 pm - 3:55 pm
ORD
-
GRZ
16h 35m
1 stop
Multiple Airlines Logo
10:50 am - 12:35 pm
GRZ
-
ORD
32h 45m
1 stop
$988Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Lufthansa Logo
3:35 pm - 9:10 am
ORD
-
GRZ
10h 35m
1 stop
Lufthansa Logo
2:45 pm - 12:55 pm
GRZ
-
ORD
29h 10m
1 stop
$990Lufthansa
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
8:40 pm - 12:35 pm
ORD
-
GRZ
32h 55m
2 stops
Multiple Airlines Logo
2:45 pm - 2:44 pm
GRZ
-
ORD
30h 59m
2 stops
$996Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Multiple Airlines Logo
5:35 pm - 12:35 pm
ORD
-
GRZ
36h 00m
2 stops
Multiple Airlines Logo
7:00 pm - 2:44 pm
GRZ
-
ORD
26h 44m
2 stops
$999Multiple Airlines
Mon, Aug 17 - Mon, Aug 24

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SWISS flights from Illinois to Graz

Our best SWISS deals on Illinois to Graz flight tickets
SWISS
Aug 17
ORD2:20 pmChicago O'Hare Intl
11h 25m
1 stop
GRZ8:45 amGraz Thalerhof
Aug 24
GRZ10:50 amGraz Thalerhof
32h 45m
1 stop
ORD12:35 pmChicago O'Hare Intl
$966
SWISS
Nov 12
ORD6:50 pmChicago O'Hare Intl
12h 50m
1 stop
GRZ2:40 pmGraz Thalerhof
Nov 16
GRZ10:45 amGraz Thalerhof
12h 35m
1 stop
ORD4:20 pmChicago O'Hare Intl
$1,131
SWISS
Nov 12
ORD6:50 pmChicago O'Hare Intl
12h 50m
1 stop
GRZ2:40 pmGraz Thalerhof
Nov 16
GRZ10:45 amGraz Thalerhof
12h 35m
1 stop
ORD4:20 pmChicago O'Hare Intl
$1,132

Lufthansa flights from Illinois to Graz

Our best Lufthansa deals on Illinois to Graz flight tickets
Lufthansa
Aug 17
ORD3:35 pmChicago O'Hare Intl
10h 35m
1 stop
GRZ9:10 amGraz Thalerhof
Aug 24
GRZ2:45 pmGraz Thalerhof
29h 10m
1 stop
ORD12:55 pmChicago O'Hare Intl
$990
Lufthansa
Aug 14
ORD4:05 pmChicago O'Hare Intl
14h 50m
1 stop
GRZ1:55 pmGraz Thalerhof
Aug 21
GRZ6:10 amGraz Thalerhof
13h 45m
1 stop
ORD12:55 pmChicago O'Hare Intl
$1,079

momondo 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, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Illinois to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Fri 8/14

11:01 am-1:55 pm

2 stops19h 54m

Graz Thalerhof

Fri 8/21

6:10 am-7:27 pm

2 stops20h 17m

$931

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Fri 8/14

11:01 am-1:55 pm

2 stops19h 54m

Graz Thalerhof

Fri 8/21

6:10 am-7:27 pm

2 stops20h 17m

$933

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

2:20 pm-8:45 am

1 stop11h 25m

Graz Thalerhof

Mon 8/24

10:50 am-12:35 pm

1 stop32h 45m

$966

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

8:40 am-12:35 pm

2 stops20h 55m

Graz Thalerhof

Mon 8/24

10:50 am-12:35 pm

1 stop32h 45m

$972

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

8:40 am-12:35 pm

2 stops20h 55m

Graz Thalerhof

Mon 8/24

10:50 am-12:35 pm

1 stop32h 45m

$977

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

3:40 pm-12:35 pm

2 stops13h 55m

Graz Thalerhof

Mon 8/24

10:50 am-12:35 pm

1 stop32h 45m

$981

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

4:20 pm-3:55 pm

1 stop16h 35m

Graz Thalerhof

Mon 8/24

10:50 am-12:35 pm

1 stop32h 45m

$988
Quickest round-trip

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

3:35 pm-9:10 am

1 stop10h 35m

Graz Thalerhof

Mon 8/24

2:45 pm-12:55 pm

1 stop29h 10m

$990

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

8:40 pm-12:35 pm

2 stops32h 55m

Graz Thalerhof

Mon 8/24

2:45 pm-2:44 pm

2 stops30h 59m

$996

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 8/17

5:35 pm-12:35 pm

2 stops36h 00m

Graz Thalerhof

Mon 8/24

7:00 pm-2:44 pm

2 stops26h 44m

$999

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Graz from

How to get the cheapest flight ticket from Illinois to Graz

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Graz Thalerhof?

Austrian Airlines and United Airlines are the most popular carriers operating from Illinois to Graz Thalerhof

What airlines fly to Graz?

Austrian Airlines, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Graz from Illinois according to our data. Austrian Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 8 different airlines that fly to Graz on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Graz flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Graz

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from Illinois to Graz takes 12h 50m
There are no direct flights from Illinois to Graz. There are no popular flight routes from Illinois to Graz.
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Frequently asked questions about flying from Illinois to Graz

  • When did momondo last update prices for flights from Illinois to Graz Thalerhof Airport?

    Prices for flights from Illinois to Graz Thalerhof Airport are updated daily.

  • How old do you have to be to fly from Illinois to Graz Thalerhof Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Graz Thalerhof Airport.

  • What documentation or ID do you need to fly to Graz Thalerhof Airport?

    The required travel and health documents for your Graz Thalerhof Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Graz Thalerhof Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Graz?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Graz from Illinois.

Can I find flights from Illinois to Graz with flexible booking policies on momondo?

Yes. All flights to Graz from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Graz?

Once all potential Illinois to Graz flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Illinois to Graz right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Graz from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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