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Cheap flights from Illinois to Vienna from $409

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 4/20. 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

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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
3:45 pm - 5:15 pm
ORD
-
GRZ
18h 30m
2 stops
Multiple Airlines Logo
8:40 pm - 7:50 pm
GRZ
-
ORD
30h 10m
2 stops
$1,195Multiple Airlines
Wed, Sep 2 - Sun, Sep 13
Multiple Airlines Logo
8:45 am - 9:15 am
MDW
-
GRZ
17h 30m
2 stops
Multiple Airlines Logo
6:15 am - 10:40 pm
GRZ
-
MDW
23h 25m
2 stops
$1,209Multiple Airlines
Wed, Sep 2 - Sun, Sep 13
Multiple Airlines Logo
11:05 am - 5:15 pm
ORD
-
GRZ
23h 10m
3 stops
Multiple Airlines Logo
8:40 pm - 7:50 pm
GRZ
-
ORD
30h 10m
2 stops
$1,227Multiple Airlines
Wed, Sep 2 - Sun, Sep 13
Multiple Airlines Logo
6:00 am - 1:55 pm
ORD
-
GRZ
24h 55m
2 stops
Multiple Airlines Logo
6:00 am - 8:44 pm
GRZ
-
ORD
21h 44m
2 stops
$1,284Multiple Airlines
Mon, Jun 15 - Sat, Jun 20
Multiple Airlines Logo
4:05 pm - 5:15 pm
ORD
-
GRZ
18h 10m
2 stops
Multiple Airlines Logo
2:35 pm - 2:00 pm
GRZ
-
ORD
30h 25m
2 stops
$1,305Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
11:05 am - 5:15 pm
ORD
-
GRZ
23h 10m
3 stops
Multiple Airlines Logo
2:35 pm - 7:15 pm
GRZ
-
ORD
35h 40m
2 stops
$1,311Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
4:05 pm - 5:15 pm
ORD
-
GRZ
18h 10m
2 stops
Multiple Airlines Logo
2:35 pm - 7:15 pm
GRZ
-
ORD
35h 40m
2 stops
$1,315Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
11:05 am - 5:15 pm
ORD
-
GRZ
23h 10m
3 stops
Multiple Airlines Logo
2:35 pm - 2:00 pm
GRZ
-
ORD
30h 25m
2 stops
$1,321Multiple Airlines
Wed, May 13 - Wed, May 20
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
$1,354Lufthansa
Wed, Sep 2 - Sun, Sep 13
Multiple Airlines Logo
8:45 am - 5:15 pm
ORD
-
GRZ
25h 30m
3 stops
Multiple Airlines Logo
1:15 pm - 3:10 pm
GRZ
-
ORD
32h 55m
3 stops
$1,357Multiple Airlines
Wed, May 13 - Wed, May 20

Lufthansa flights from Illinois to Graz

Our best Lufthansa deals on Illinois to Graz flight tickets
Lufthansa
Sep 2
ORD9:40 pmChicago O'Hare Intl
11h 30m
1 stop
GRZ4:10 pmGraz Thalerhof
Sep 13
GRZ10:25 amGraz Thalerhof
16h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,354
Lufthansa
Sep 2
ORD3:35 pmChicago O'Hare Intl
10h 35m
1 stop
GRZ9:10 amGraz Thalerhof
Sep 13
GRZ1:15 pmGraz Thalerhof
13h 40m
2 stops
ORD7:55 pmChicago O'Hare Intl
$1,376
Lufthansa
May 13
ORD9:40 pmChicago O'Hare Intl
11h 30m
1 stop
GRZ4:10 pmGraz Thalerhof
May 20
GRZ10:25 amGraz Thalerhof
16h 30m
1 stop
ORD7:55 pmChicago O'Hare Intl
$1,395

SWISS flights from Illinois to Graz

Our best SWISS deals on Illinois to Graz flight tickets
SWISS
May 13
ORD7:05 pmChicago O'Hare Intl
15h 55m
1 stop
GRZ6:00 pmGraz Thalerhof
May 20
GRZ6:50 pmGraz Thalerhof
24h 45m
1 stop
ORD12:35 pmChicago O'Hare Intl
$1,487
SWISS
Jun 16
ORD7:05 pmChicago O'Hare Intl
15h 45m
1 stop
GRZ5:50 pmGraz Thalerhof
Jul 13
GRZ10:50 amGraz Thalerhof
12h 05m
1 stop
ORD3:55 pmChicago O'Hare Intl
$2,045
SWISS
Jun 15
ORD2:20 pmChicago O'Hare Intl
11h 25m
1 stop
GRZ8:45 amGraz Thalerhof
Jul 13
GRZ10:50 amGraz Thalerhof
32h 45m
1 stop
ORD12:35 pmChicago O'Hare Intl
$2,153

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 March 31, 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

Wed 9/2

3:45 pm-5:15 pm

2 stops18h 30m

Graz Thalerhof

Sun 9/13

8:40 pm-7:50 pm

2 stops30h 10m

$1,195

ChicagoGraz

MDW - GRZ

MDWGRZ

Chicago Midway

Wed 9/2

8:45 am-9:15 am

2 stops17h 30m

Graz Thalerhof

Sun 9/13

6:15 am-10:40 pm

2 stops23h 25m

$1,209

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 9/2

11:05 am-5:15 pm

3 stops23h 10m

Graz Thalerhof

Sun 9/13

8:40 pm-7:50 pm

2 stops30h 10m

$1,227

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 6/15

6:00 am-1:55 pm

2 stops24h 55m

Graz Thalerhof

Sat 6/20

6:00 am-8:44 pm

2 stops21h 44m

$1,284

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/13

4:05 pm-5:15 pm

2 stops18h 10m

Graz Thalerhof

Wed 5/20

2:35 pm-2:00 pm

2 stops30h 25m

$1,305

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/13

11:05 am-5:15 pm

3 stops23h 10m

Graz Thalerhof

Wed 5/20

2:35 pm-7:15 pm

2 stops35h 40m

$1,311

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/13

4:05 pm-5:15 pm

2 stops18h 10m

Graz Thalerhof

Wed 5/20

2:35 pm-7:15 pm

2 stops35h 40m

$1,315

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/13

11:05 am-5:15 pm

3 stops23h 10m

Graz Thalerhof

Wed 5/20

2:35 pm-2:00 pm

2 stops30h 25m

$1,321
Quickest round-trip

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 9/2

9:40 pm-4:10 pm

1 stop11h 30m

Graz Thalerhof

Sun 9/13

10:25 am-7:55 pm

1 stop16h 30m

$1,354

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 5/13

8:45 am-5:15 pm

3 stops25h 30m

Graz Thalerhof

Wed 5/20

1:15 pm-3:10 pm

3 stops32h 55m

$1,357

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?

British Airways 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 43% 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

17h 30m

Direct flights

None
The fastest flight from Illinois to Graz takes 17h 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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