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Cheap flights from Chicago to Vienna from $794

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 10/26. 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

Multiple Airlines Logo
8:20 pm - 11:20 pmORD-GRZ
21h 00m2 stops
Multiple Airlines Logo
6:00 am - 6:45 pmGRZ-ORD
18h 45m2 stops
$794Multiple Airlines
Find Deal
Sun, Oct 26 - Thu, Oct 30
Air Canada Logo
7:15 am - 12:55 pmORD-GRZ
22h 40m2 stops
Air Canada Logo
9:50 am - 11:18 amGRZ-ORD
32h 28m2 stops
$814Air Canada
Find Deal
Mon, Nov 24 - Wed, Dec 10
Air Canada Logo
3:35 pm - 1:40 pmORD-GRZ
39h 05m2 stops
Air Canada Logo
9:50 am - 2:41 pmGRZ-ORD
35h 51m2 stops
$820Air Canada
Find Deal
Sun, Nov 23 - Fri, Dec 5
Air Canada Logo
11:15 am - 3:40 pmORD-GRZ
21h 25m2 stops
Air Canada Logo
9:50 am - 2:41 pmGRZ-ORD
35h 51m2 stops
$821Air Canada
Find Deal
Tue, Nov 25 - Tue, Dec 9
Multiple Airlines Logo
3:55 pm - 1:35 pmORD-GRZ
14h 40m2 stops
Multiple Airlines Logo
6:05 am - 2:55 pmGRZ-ORD
15h 50m2 stops
$854Multiple Airlines
Find Deal
Sun, Nov 23 - Sun, Dec 7
United Airlines Logo
6:25 pm - 1:35 pmORD-GRZ
12h 10m1 stop
United Airlines Logo
6:05 am - 3:20 pmGRZ-ORD
16h 15m1 stop
$906United Airlines
Find Deal
Sun, Nov 23 - Fri, Dec 5
United Airlines Logo
7:20 am - 1:35 pmORD-GRZ
23h 15m2 stops
United Airlines Logo
6:05 am - 8:05 pmGRZ-ORD
21h 00m1 stop
$911United Airlines
Find Deal
Sun, Nov 23 - Wed, Dec 10
Lufthansa Logo
9:50 pm - 10:40 pmORD-GRZ
17h 50m1 stop
Lufthansa Logo
6:05 am - 1:10 pmGRZ-ORD
14h 05m1 stop
$952Lufthansa
Find Deal
Sun, Nov 23 - Sat, Dec 6
Lufthansa Logo
9:50 pm - 10:40 pmORD-GRZ
17h 50m1 stop
Lufthansa Logo
9:50 am - 6:25 pmGRZ-ORD
15h 35m1 stop
$976Lufthansa
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Tue, Nov 25 - Mon, Dec 8
SWISS Logo
6:50 pm - 1:40 pmORD-GRZ
35h 50m2 stops
SWISS Logo
3:45 pm - 4:20 pmGRZ-ORD
31h 35m1 stop
$985SWISS
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Mon, Nov 24 - Sun, Dec 7

Air Canada flights from Chicago to Graz

Our best Air Canada deals on Chicago to Graz flight tickets
Air Canada
Nov 24
ORD7:15 amChicago O'Hare Intl
22h 40m
2 stops
GRZ12:55 pmGraz Thalerhof
Dec 10
GRZ9:50 amGraz Thalerhof
32h 28m
2 stops
ORD11:18 amChicago O'Hare Intl
$814
Find similar
Air Canada
Nov 23
ORD3:35 pmChicago O'Hare Intl
39h 05m
2 stops
GRZ1:40 pmGraz Thalerhof
Dec 5
GRZ9:50 amGraz Thalerhof
35h 51m
2 stops
ORD2:41 pmChicago O'Hare Intl
$820
Find similar
Air Canada
Nov 25
ORD11:15 amChicago O'Hare Intl
21h 25m
2 stops
GRZ3:40 pmGraz Thalerhof
Dec 9
GRZ9:50 amGraz Thalerhof
35h 51m
2 stops
ORD2:41 pmChicago O'Hare Intl
$821
Find similar

United Airlines flights from Chicago to Graz

Our best United Airlines deals on Chicago to Graz flight tickets
United Airlines
Nov 23
ORD6:25 pmChicago O'Hare Intl
12h 10m
1 stop
GRZ1:35 pmGraz Thalerhof
Dec 5
GRZ6:05 amGraz Thalerhof
16h 15m
1 stop
ORD3:20 pmChicago O'Hare Intl
$906
Find similar
United Airlines
Nov 23
ORD7:20 amChicago O'Hare Intl
23h 15m
2 stops
GRZ1:35 pmGraz Thalerhof
Dec 10
GRZ6:05 amGraz Thalerhof
21h 00m
1 stop
ORD8:05 pmChicago O'Hare Intl
$911
Find similar
United Airlines
Nov 24
ORD3:55 pmChicago O'Hare Intl
14h 40m
2 stops
GRZ1:35 pmGraz Thalerhof
Dec 9
GRZ6:05 amGraz Thalerhof
12h 05m
1 stop
ORD11:10 amChicago O'Hare Intl
$913
Find similar

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 September 17, 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

Sun 10/26

8:20 pm-11:20 pm

2 stops21h 00m

Graz Thalerhof

Thu 10/30

6:00 am-6:45 pm

2 stops18h 45m

$794

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 11/24

7:15 am-12:55 pm

2 stops22h 40m

Graz Thalerhof

Wed 12/10

9:50 am-11:18 am

2 stops32h 28m

$814

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 11/23

3:35 pm-1:40 pm

2 stops39h 05m

Graz Thalerhof

Fri 12/5

9:50 am-2:41 pm

2 stops35h 51m

$820

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Tue 11/25

11:15 am-3:40 pm

2 stops21h 25m

Graz Thalerhof

Tue 12/9

9:50 am-2:41 pm

2 stops35h 51m

$821

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 11/23

3:55 pm-1:35 pm

2 stops14h 40m

Graz Thalerhof

Sun 12/7

6:05 am-2:55 pm

2 stops15h 50m

$854

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 11/23

6:25 pm-1:35 pm

1 stop12h 10m

Graz Thalerhof

Fri 12/5

6:05 am-3:20 pm

1 stop16h 15m

$906

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 11/23

7:20 am-1:35 pm

2 stops23h 15m

Graz Thalerhof

Wed 12/10

6:05 am-8:05 pm

1 stop21h 00m

$911

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Sun 11/23

9:50 pm-10:40 pm

1 stop17h 50m

Graz Thalerhof

Sat 12/6

6:05 am-1:10 pm

1 stop14h 05m

$952

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Tue 11/25

9:50 pm-10:40 pm

1 stop17h 50m

Graz Thalerhof

Mon 12/8

9:50 am-6:25 pm

1 stop15h 35m

$976

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Mon 11/24

6:50 pm-1:40 pm

2 stops35h 50m

Graz Thalerhof

Sun 12/7

3:45 pm-4:20 pm

1 stop31h 35m

$985

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

Direct flights

None
There are no direct flights from Chicago to Graz. There are no popular flight routes from Chicago to Graz.
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  • 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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