Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Vienna from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Vienna departing on 6/30. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport 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 - 11:20 pm
ORD
-
GRZ
21h 00m
3 stops
Multiple Airlines Logo
4:20 pm - 5:45 pm
GRZ
-
ORD
31h 25m
3 stops
$968Multiple Airlines
Wed, Mar 11 - Sun, Mar 15
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 - 6:05 pm
ORD
-
GRZ
15h 45m
2 stops
Multiple Airlines Logo
6:05 am - 5:45 pm
GRZ
-
ORD
17h 40m
2 stops
$990Multiple 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
9:55 am - 12:35 pm
ORD
-
GRZ
19h 40m
2 stops
Multiple Airlines Logo
6:00 am - 7:25 pm
GRZ
-
ORD
20h 25m
2 stops
$1,068Multiple Airlines
Wed, May 20 - Wed, May 27
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 flights from Chicago O'Hare Intl Airport to Graz

Our best Air Canada deals on Chicago O'Hare Intl Airport 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
ORD3:55 pmChicago O'Hare Intl
16h 45m
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
29h 23m
2 stops
ORD9:13 amChicago O'Hare Intl
$1,704

Lufthansa flights from Chicago O'Hare Intl Airport to Graz

Our best Lufthansa deals on Chicago O'Hare Intl Airport 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
$1,109

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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-11:20 pm

3 stops21h 00m

Graz Thalerhof

Sun 3/15

4:20 pm-5:45 pm

3 stops31h 25m

$968

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-6:05 pm

2 stops15h 45m

Graz Thalerhof

Sun 3/15

6:05 am-5:45 pm

2 stops17h 40m

$990

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

Wed 5/20

9:55 am-12:35 pm

2 stops19h 40m

Graz Thalerhof

Wed 5/27

6:00 am-7:25 pm

2 stops20h 25m

$1,068

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Vienna from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 airlines fly to Graz?

Austrian Airlines, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Graz from Chicago O'Hare Intl Airport 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.

When to book flights from Chicago O'Hare Intl Airport to Graz

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

Cheap Chicago O'Hare Intl Airport to Graz (ORD to GRZ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Graz

Fastest flight time

11h 30m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Graz takes 11h 30m
There are no direct flights from Chicago O'Hare Intl Airport to Graz. There are no popular flight routes from Chicago O'Hare Intl Airport to Graz.
Search flight deals

  • How far is Chicago O'Hare Intl to Graz Thalerhof by plane?

    A flight from Chicago O'Hare Intl to Graz Thalerhof will travel around 4703.0 mi. By plane, this route typically takes 11h 30m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Graz Thalerhof Airport were last updated today.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Graz Thalerhof Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Graz Thalerhof Airport.

  • What documentation or ID do you need to fly to Graz Thalerhof Airport?

    The necessary travel and health documents for your Graz Thalerhof Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Graz?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Graz. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to Graz from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to Graz from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your Graz trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/13
Fri 3/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Austria