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Cheap flights from Illinois to Vienna from $1,019

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Vienna departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:50 pm - 3:40 pm
ORD
-
GRZ
19h 50m2 stops
Multiple Airlines Logo
9:50 am - 5:48 pm
GRZ
-
ORD
14h 58m2 stops
$1,019Multiple Airlines
mié., ene. 28 - mié., feb. 4
Multiple Airlines Logo
12:50 pm - 3:40 pm
ORD
-
GRZ
19h 50m2 stops
Multiple Airlines Logo
6:05 am - 1:10 pm
GRZ
-
ORD
14h 05m1 stop
$1,066Multiple Airlines
mié., ene. 28 - mié., feb. 4
Multiple Airlines Logo
9:50 pm - 10:40 pm
ORD
-
GRZ
17h 50m1 stop
Multiple Airlines Logo
6:55 pm - 4:20 pm
GRZ
-
ORD
28h 25m1 stop
$1,118Multiple Airlines
mié., ene. 28 - mié., feb. 4
Multiple Airlines Logo
6:30 pm - 10:50 pm
ORD
-
GRZ
21h 20m3 stops
Multiple Airlines Logo
6:05 am - 7:15 pm
GRZ
-
ORD
20h 10m2 stops
$1,298Multiple Airlines
mié., ene. 28 - mié., feb. 4
Multiple Airlines Logo
7:15 am - 3:40 pm
ORD
-
GRZ
25h 25m3 stops
Multiple Airlines Logo
2:15 pm - 7:15 pm
GRZ
-
ORD
36h 00m3 stops
$1,350Multiple Airlines
mié., ene. 28 - mié., feb. 4
Air Canada Logo
7:10 am - 3:40 pm
ORD
-
GRZ
25h 30m2 stops
Air Canada Logo
9:50 am - 2:41 pm
GRZ
-
ORD
35h 51m2 stops
$1,391Air Canada
mié., ene. 21 - dom., ene. 25
Air Canada Logo
8:00 am - 3:40 pm
ORD
-
GRZ
24h 40m2 stops
Air Canada Logo
9:50 am - 4:42 pm
GRZ
-
ORD
37h 52m2 stops
$1,392Air Canada
mié., ene. 21 - dom., ene. 25
Lufthansa Logo
6:00 pm - 12:55 pm
ORD
-
GRZ
11h 55m1 stop
Lufthansa Logo
6:05 am - 1:10 pm
GRZ
-
ORD
14h 05m1 stop
$1,883Lufthansa
jue., dic. 25 - mar., dic. 30
Lufthansa Logo
6:00 pm - 12:55 pm
ORD
-
GRZ
11h 55m1 stop
Lufthansa Logo
9:50 am - 8:00 pm
GRZ
-
ORD
17h 10m2 stops
$1,894Lufthansa
jue., dic. 25 - mar., dic. 30
Lufthansa Logo
4:10 pm - 12:55 pm
ORD
-
GRZ
13h 45m2 stops
Lufthansa Logo
9:50 am - 8:00 pm
GRZ
-
ORD
17h 10m2 stops
$1,917Lufthansa
jue., dic. 25 - mar., dic. 30

Air Canada flights from Illinois to Graz

Our best Air Canada deals on Illinois to Graz flight tickets
Air Canada
Jan 21
ORD7:10 amChicago O'Hare Intl
25h 30m
2 stops
GRZ3:40 pmGraz Thalerhof
Jan 25
GRZ9:50 amGraz Thalerhof
35h 51m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,391
Find similar
Air Canada
Jan 21
ORD8:00 amChicago O'Hare Intl
24h 40m
2 stops
GRZ3:40 pmGraz Thalerhof
Jan 25
GRZ9:50 amGraz Thalerhof
37h 52m
2 stops
ORD4:42 pmChicago O'Hare Intl
$1,392
Find similar

Lufthansa flights from Illinois to Graz

Our best Lufthansa deals on Illinois to Graz flight tickets
Lufthansa
Dec 25
ORD6:00 pmChicago O'Hare Intl
11h 55m
1 stop
GRZ12:55 pmGraz Thalerhof
Dec 30
GRZ6:05 amGraz Thalerhof
14h 05m
1 stop
ORD1:10 pmChicago O'Hare Intl
$1,883
Find similar
Lufthansa
Dec 25
ORD6:00 pmChicago O'Hare Intl
11h 55m
1 stop
GRZ12:55 pmGraz Thalerhof
Dec 30
GRZ9:50 amGraz Thalerhof
17h 10m
2 stops
ORD8:00 pmChicago O'Hare Intl
$1,894
Find similar
Lufthansa
Dec 25
ORD4:10 pmChicago O'Hare Intl
13h 45m
2 stops
GRZ12:55 pmGraz Thalerhof
Dec 30
GRZ9:50 amGraz Thalerhof
17h 10m
2 stops
ORD8:00 pmChicago O'Hare Intl
$1,917
Find similar

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 diciembre 15, 2025.
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

mié. 1/28

12:50 pm-3:40 pm

2 stops19h 50m

Graz Thalerhof

mié. 2/4

9:50 am-5:48 pm

2 stops14h 58m

$1,019

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/28

12:50 pm-3:40 pm

2 stops19h 50m

Graz Thalerhof

mié. 2/4

6:05 am-1:10 pm

1 stop14h 05m

$1,066

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/28

9:50 pm-10:40 pm

1 stop17h 50m

Graz Thalerhof

mié. 2/4

6:55 pm-4:20 pm

1 stop28h 25m

$1,118

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/28

6:30 pm-10:50 pm

3 stops21h 20m

Graz Thalerhof

mié. 2/4

6:05 am-7:15 pm

2 stops20h 10m

$1,298

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/28

7:15 am-3:40 pm

3 stops25h 25m

Graz Thalerhof

mié. 2/4

2:15 pm-7:15 pm

3 stops36h 00m

$1,350

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/21

7:10 am-3:40 pm

2 stops25h 30m

Graz Thalerhof

dom. 1/25

9:50 am-2:41 pm

2 stops35h 51m

$1,391

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 1/21

8:00 am-3:40 pm

2 stops24h 40m

Graz Thalerhof

dom. 1/25

9:50 am-4:42 pm

2 stops37h 52m

$1,392

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

jue. 12/25

6:00 pm-12:55 pm

1 stop11h 55m

Graz Thalerhof

mar. 12/30

6:05 am-1:10 pm

1 stop14h 05m

$1,883

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

jue. 12/25

6:00 pm-12:55 pm

1 stop11h 55m

Graz Thalerhof

mar. 12/30

9:50 am-8:00 pm

2 stops17h 10m

$1,894

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

jue. 12/25

4:10 pm-12:55 pm

2 stops13h 45m

Graz Thalerhof

mar. 12/30

9:50 am-8:00 pm

2 stops17h 10m

$1,917

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 day to depart on your flight to Graz?

The cheapest day to depart from Illinois to Graz is on a Sunday when prices can be found for as low as $1,169. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,484. These prices are subject to change though, so be sure to set up a Price Alert for flights to Graz.

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 55m

Direct flights

None
The fastest flight from Illinois to Graz takes 11h 55m
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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mié. 1/14
mié. 1/21
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