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Cheap flights from Chicago 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 Chicago 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 9:15 am
ORD
-
GRZ
20h 15m
2 stops
Multiple Airlines Logo
6:15 am - 8:49 pm
GRZ
-
ORD
21h 34m
2 stops
$1,060Multiple Airlines
Wed, Sep 2 - Sun, Sep 13
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
3:35 pm - 9:10 am
ORD
-
GRZ
10h 35m
1 stop
Lufthansa Logo
1:15 pm - 6:15 pm
GRZ
-
ORD
12h 00m
1 stop
$1,354Lufthansa
Wed, Sep 2 - Sun, Sep 13

Lufthansa flights from Chicago to Graz

Our best Lufthansa deals on Chicago to Graz flight tickets
Lufthansa
Sep 2
ORD3:35 pmChicago O'Hare Intl
10h 35m
1 stop
GRZ9:10 amGraz Thalerhof
Sep 13
GRZ1:15 pmGraz Thalerhof
12h 00m
1 stop
ORD6:15 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
$1,375
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

United Airlines flights from Chicago to Graz

Our best United Airlines deals on Chicago to Graz flight tickets
United Airlines
May 15
ORD3:35 pmChicago O'Hare Intl
14h 05m
1 stop
GRZ12:40 pmGraz Thalerhof
May 22
GRZ6:10 amGraz Thalerhof
15h 45m
1 stop
ORD2:55 pmChicago O'Hare Intl
$1,703
United Airlines
May 15
ORD3:35 pmChicago O'Hare Intl
14h 05m
1 stop
GRZ12:40 pmGraz Thalerhof
May 22
GRZ6:10 amGraz Thalerhof
20h 58m
2 stops
ORD8:08 pmChicago O'Hare Intl
$1,707
United Airlines
May 15
ORD1:06 pmChicago O'Hare Intl
16h 34m
2 stops
GRZ12:40 pmGraz Thalerhof
May 22
GRZ6:10 amGraz Thalerhof
15h 43m
2 stops
ORD2:53 pmChicago O'Hare Intl
$1,711

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 March 31, 2026.
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

Cheapest round-trip

ChicagoGraz

ORD - GRZ

ORDGRZ

Chicago O'Hare Intl

Wed 9/2

6:00 am-9:15 am

2 stops20h 15m

Graz Thalerhof

Sun 9/13

6:15 am-8:49 pm

2 stops21h 34m

$1,060

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

3:35 pm-9:10 am

1 stop10h 35m

Graz Thalerhof

Sun 9/13

1:15 pm-6:15 pm

1 stop12h 00m

$1,354

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 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 airline that flies from Chicago to Graz Thalerhof?

British Airways is the most popular carrier operating from Chicago 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 Chicago 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.

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

Fastest flight time

17h 30m

Direct flights

None
The fastest flight from Chicago to Graz takes 17h 30m
There are no direct flights from Chicago to Graz. There are no popular flight routes from Chicago to Graz.
Search flight deals

  • How far is Chicago to Graz Thalerhof by plane?

    There are 4697.8 mi between Chicago and Graz Thalerhof. Flights usually cover this in 17h 30m, 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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