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Cheap flights from Illinois to Vienna from $557

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 Vienna departing on 6/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Illinois to Vienna

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:20 pm - 11:20 pm
ORD
-
GRZ
21h 00m
3 stops
Multiple Airlines Logo
2:15 pm - 5:45 pm
GRZ
-
ORD
33h 30m
3 stops
$884Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
Multiple Airlines Logo
12:50 pm - 12:35 pm
ORD
-
GRZ
16h 45m
2 stops
Multiple Airlines Logo
6:15 am - 8:05 pm
GRZ
-
ORD
20h 50m
2 stops
$907Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
Multiple Airlines Logo
3:45 pm - 12:35 pm
ORD
-
GRZ
13h 50m
2 stops
Multiple Airlines Logo
2:40 pm - 7:55 pm
GRZ
-
ORD
12h 15m
1 stop
$964Multiple Airlines
Wed, Apr 1 - Thu, Apr 30
Lufthansa Logo
9:40 pm - 4:10 pm
ORD
-
GRZ
11h 30m
1 stop
Lufthansa Logo
10:05 am - 7:55 pm
GRZ
-
ORD
16h 50m
1 stop
$967Lufthansa
Wed, Apr 1 - Thu, Apr 30
Multiple Airlines Logo
8:20 pm - 8:35 pm
ORD
-
GRZ
18h 15m
3 stops
Multiple Airlines Logo
10:05 pm - 5:45 pm
GRZ
-
ORD
25h 40m
2 stops
$969Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
Multiple Airlines Logo
8:20 pm - 8:35 pm
ORD
-
GRZ
18h 15m
2 stops
Multiple Airlines Logo
2:25 pm - 5:45 pm
GRZ
-
ORD
33h 20m
2 stops
$1,064Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
Multiple Airlines Logo
10:00 am - 12:55 pm
ORD
-
GRZ
20h 55m
2 stops
Multiple Airlines Logo
6:05 am - 5:48 pm
GRZ
-
ORD
17h 43m
2 stops
$1,077Multiple Airlines
Thu, Mar 12 - Thu, Mar 19
Air Canada Logo
9:04 am - 12:35 pm
ORD
-
GRZ
20h 31m
2 stops
Air Canada Logo
9:50 am - 7:25 pm
GRZ
-
ORD
16h 35m
2 stops
$1,094Air Canada
Wed, May 20 - Wed, May 27
Multiple Airlines Logo
10:55 pm - 2:20 pm
ORD
-
GRZ
33h 25m
2 stops
Multiple Airlines Logo
6:05 am - 9:00 pm
GRZ
-
ORD
20h 55m
2 stops
$1,096Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
Lufthansa Logo
9:40 pm - 4:10 pm
ORD
-
GRZ
11h 30m
1 stop
Lufthansa Logo
10:25 am - 7:55 pm
GRZ
-
ORD
16h 30m
1 stop
$1,100Lufthansa
Wed, May 20 - Wed, May 27

Lufthansa flights from Illinois to Graz

Our best Lufthansa deals on Illinois to Graz flight tickets
Lufthansa
Apr 1
ORD9:40 pmChicago O'Hare Intl
11h 30m
1 stop
GRZ4:10 pmGraz Thalerhof
Apr 30
GRZ10:05 amGraz Thalerhof
16h 50m
1 stop
ORD7:55 pmChicago O'Hare Intl
$967
Lufthansa
May 20
ORD9:40 pmChicago O'Hare Intl
11h 30m
1 stop
GRZ4:10 pmGraz Thalerhof
May 27
GRZ10:25 amGraz Thalerhof
16h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,100
Lufthansa
May 20
ORD9:40 pmChicago O'Hare Intl
11h 30m
1 stop
GRZ4:10 pmGraz Thalerhof
May 27
GRZ10:25 amGraz Thalerhof
18h 14m
2 stops
ORD9:39 pmChicago O'Hare Intl
$1,110

Air Canada flights from Illinois to Graz

Our best Air Canada deals on Illinois to Graz flight tickets
Air Canada
May 20
ORD9:04 amChicago O'Hare Intl
20h 31m
2 stops
GRZ12:35 pmGraz Thalerhof
May 27
GRZ9:50 amGraz Thalerhof
16h 35m
2 stops
ORD7:25 pmChicago O'Hare Intl
$1,094
Air Canada
Mar 4
ORD1:12 pmChicago O'Hare Intl
19h 28m
2 stops
GRZ3:40 pmGraz Thalerhof
Mar 8
GRZ9:50 amGraz Thalerhof
35h 05m
2 stops
ORD2:55 pmChicago O'Hare Intl
$1,699
Air Canada
Mar 4
ORD3:55 pmChicago O'Hare Intl
16h 45m
2 stops
GRZ3:40 pmGraz Thalerhof
Mar 8
GRZ9:50 amGraz Thalerhof
18h 14m
2 stops
ORD10:04 pmChicago O'Hare Intl
$1,704

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 February 13, 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

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

3:45 pm-12:35 pm

2 stops13h 50m

Graz Thalerhof

Thu 4/30

2:40 pm-7:55 pm

1 stop12h 15m

$964

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 3/11

8:20 pm-8:35 pm

3 stops18h 15m

Graz Thalerhof

Sun 3/15

10:05 pm-5:45 pm

2 stops25h 40m

$969

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 3/11

8:20 pm-8:35 pm

2 stops18h 15m

Graz Thalerhof

Sun 3/15

2:25 pm-5:45 pm

2 stops33h 20m

$1,064

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Thu 3/12

10:00 am-12:55 pm

2 stops20h 55m

Graz Thalerhof

Thu 3/19

6:05 am-5:48 pm

2 stops17h 43m

$1,077

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 3/11

10:55 pm-2:20 pm

2 stops33h 25m

Graz Thalerhof

Sun 3/15

6:05 am-9:00 pm

2 stops20h 55m

$1,096

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

10:25 am-7:55 pm

1 stop16h 30m

$1,100

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Vienna 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?

Lufthansa is the most popular carrier operating from Illinois to Graz Thalerhof

What airlines fly to Graz?

Austrian Airlines, United Airlines and Turkish 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 44% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 10 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

11h 30m

Direct flights

None
The fastest flight from Illinois to Graz takes 11h 30m
There are no direct flights from Illinois to Graz. There are no popular flight routes from Illinois to Graz.
Search flight deals

  • 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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