Cheap flights from Chicago to Vienna from $728

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Vienna departing on 12/10. 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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Cheap round-trip flights

 Logo
9:50 pm - 3:40 pmORD-GRZ
10h 50m1 stop
 Logo
9:55 am - 7:30 pmGRZ-ORD
16h 35m2 stops
mié., dic. 10 - mar., ene. 13
Air Canada Logo
2:00 pm - 1:40 pmORD-GRZ
16h 40m2 stops
Air Canada Logo
9:55 am - 5:28 pmGRZ-ORD
14h 33m2 stops
$730Air Canada
Find Deal
mié., dic. 10 - mar., ene. 13
Lufthansa Logo
9:50 pm - 3:40 pmORD-GRZ
10h 50m1 stop
Lufthansa Logo
2:15 pm - 1:10 pmGRZ-ORD
29h 55m1 stop
$762Lufthansa
Find Deal
mar., nov. 25 - lun., dic. 1
 Logo
12:50 pm - 1:35 pmORD-GRZ
17h 45m2 stops
 Logo
2:15 pm - 1:10 pmGRZ-ORD
29h 55m1 stop
mar., nov. 25 - lun., dic. 1
Lufthansa Logo
9:50 pm - 3:40 pmORD-GRZ
10h 50m1 stop
Lufthansa Logo
6:05 am - 1:10 pmGRZ-ORD
14h 05m1 stop
$793Lufthansa
Find Deal
vie., dic. 5 - mar., dic. 9
Lufthansa Logo
9:50 pm - 3:40 pmORD-GRZ
10h 50m1 stop
Lufthansa Logo
1:30 pm - 6:25 pmGRZ-ORD
11h 55m1 stop
$804Lufthansa
Find Deal
vie., dic. 5 - mar., dic. 9
Lufthansa Logo
9:50 pm - 3:40 pmORD-GRZ
10h 50m1 stop
Lufthansa Logo
6:05 am - 1:10 pmGRZ-ORD
14h 05m2 stops
$816Lufthansa
Find Deal
vie., dic. 5 - mar., dic. 9
 Logo
7:05 pm - 6:35 pmORD-GRZ
16h 30m1 stop
 Logo
6:00 am - 12:55 pmGRZ-ORD
13h 55m1 stop
jue., sep. 11 - jue., sep. 18
Austrian Airlines Logo
4:20 pm - 10:50 amORD-GRZ
11h 30m1 stop
Austrian Airlines Logo
6:00 am - 1:20 pmGRZ-ORD
14h 20m1 stop
$1,091Austrian Airlines
Find Deal
vie., sep. 12 - vie., sep. 19
SWISS Logo
8:08 pm - 10:10 amORD-GRZ
55h 02m3 stops
SWISS Logo
7:20 pm - 5:20 pmGRZ-ORD
29h 00m2 stops
$1,890SWISS
Find Deal
vie., sep. 12 - vie., sep. 19

Lufthansa flights from Chicago to Graz

Our best Lufthansa deals on Chicago to Graz flight tickets
Lufthansa
Nov 25
ORD9:50 pmChicago O'Hare Intl
10h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
Dec 1
GRZ2:15 pmGraz Thalerhof
29h 55m
1 stop
ORD1:10 pmChicago O'Hare Intl
Lufthansa
Dec 5
ORD9:50 pmChicago O'Hare Intl
10h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
Dec 9
GRZ6:05 amGraz Thalerhof
14h 05m
1 stop
ORD1:10 pmChicago O'Hare Intl
Lufthansa
Dec 5
ORD9:50 pmChicago O'Hare Intl
10h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
Dec 9
GRZ1:30 pmGraz Thalerhof
11h 55m
1 stop
ORD6:25 pmChicago O'Hare Intl

Air Canada flights from Chicago to Graz

Our best Air Canada deals on Chicago to Graz flight tickets
Air Canada
Dec 10
ORD2:00 pmChicago O'Hare Intl
16h 40m
2 stops
GRZ1:40 pmGraz Thalerhof
Jan 13
GRZ9:55 amGraz Thalerhof
14h 33m
2 stops
ORD5:28 pmChicago O'Hare Intl
Air Canada
Sep 11
ORD2:08 pmChicago O'Hare Intl
13h 42m
2 stops
GRZ10:50 amGraz Thalerhof
Sep 18
GRZ6:00 amGraz Thalerhof
18h 33m
2 stops
ORD5:33 pmChicago O'Hare Intl
Air Canada
Sep 12
ORD2:00 pmChicago O'Hare Intl
13h 50m
2 stops
GRZ10:50 amGraz Thalerhof
Sep 19
GRZ9:55 amGraz Thalerhof
14h 38m
2 stops
ORD5:33 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 julio 30, 2025.
Use the filters below to find and compare flights from Chicago to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 12/10

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

mar. 1/13

9:55 am-7:30 pm

2 stops16h 35m

$728

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mié. 12/10

2:00 pm-1:40 pm

2 stops16h 40m

Graz Thalerhof

mar. 1/13

9:55 am-5:28 pm

2 stops14h 33m

$730

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mar. 11/25

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

lun. 12/1

2:15 pm-1:10 pm

1 stop29h 55m

$762

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

mar. 11/25

12:50 pm-1:35 pm

2 stops17h 45m

Graz Thalerhof

lun. 12/1

2:15 pm-1:10 pm

1 stop29h 55m

$767

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

vie. 12/5

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

mar. 12/9

6:05 am-1:10 pm

1 stop14h 05m

$793

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

vie. 12/5

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

mar. 12/9

1:30 pm-6:25 pm

1 stop11h 55m

$804

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

vie. 12/5

9:50 pm-3:40 pm

1 stop10h 50m

Graz Thalerhof

mar. 12/9

6:05 am-1:10 pm

2 stops14h 05m

$816

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

jue. 9/11

7:05 pm-6:35 pm

1 stop16h 30m

Graz Thalerhof

jue. 9/18

6:00 am-12:55 pm

1 stop13h 55m

$821

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

vie. 9/12

4:20 pm-10:50 am

1 stop11h 30m

Graz Thalerhof

vie. 9/19

6:00 am-1:20 pm

1 stop14h 20m

$1,091

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

vie. 9/12

8:08 pm-10:10 am

3 stops55h 02m

Graz Thalerhof

vie. 9/19

7:20 pm-5:20 pm

2 stops29h 00m

$1,890

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 Chicago 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 Chicago to Graz is on a Saturday when prices can be found for as low as $1,141. 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.

When to book flights from Chicago to Graz

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Graz according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Graz (CHI to GRZ) flight deals and tips

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

Best Price Found

$728

Fastest flight time

10h 50m

Direct flights

None

Airports in Graz

1 airport
The best flight deal from Chicago to Graz found on momondo in the last 72 hours is $728
The fastest flight from Chicago to Graz takes 10h 50m
There are no direct flights from Chicago to Graz. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Graz Thalerhof Airport.
There is 1 airport near Graz: Graz Thalerhof (GRZ)

  • How far is Chicago to Graz Thalerhof by plane?

    There are 4697.8 mi between Chicago and Graz Thalerhof. Flights usually cover this in 10h 50m, depending on flying conditions and air traffic around both airports.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 Chicago 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 Chicago.

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

Yes. momondo enables you to select and highlight flights to Graz from Chicago with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Graz.

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

Yes. momondo can track prices for Chicago to Graz flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
lun. 8/4
lun. 8/11

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