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$893+ Cheap flights from Graz (GRZ) to Colorado

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — DEN
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap flight deals from Graz to Colorado

Cheapest flights from Graz to Colorado
Explore the most affordable flight options available from Graz to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 13, 2026.

This Flysmarter deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:10 am
GRZ
-
DEN
2 stops20h 07m
Multiple Airlines
Mon 10/268:05 am
DEN
-
GRZ
2 stops22h 30m
Multiple Airlines
Deal found 2/12$893
This Flysmarter deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:25 am
GRZ
-
DEN
2 stops18h 35m
Multiple Airlines
Mon 6/811:25 am
DEN
-
GRZ
2 stops17h 10m
Multiple Airlines
Deal found 2/11$905
This lol.travel deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/259:50 am
GRZ
-
DEN
2 stops32h 43m
Air Canada
Thu 7/26:10 pm
DEN
-
GRZ
2 stops34h 25m
Air Canada
Deal found 2/10$906
This United Airlines deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:10 am
GRZ
-
DEN
1 stop17h 30m
United Airlines
Mon 9/77:32 am
DEN
-
GRZ
2 stops22h 23m
United Airlines
Deal found 2/12$909
This Lufthansa deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:15 am
GRZ
-
DEN
1 stop17h 25m
Lufthansa
Sun 5/34:05 pm
DEN
-
GRZ
1 stop16h 05m
Lufthansa
Deal found 2/11$910
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/258:10 pm
GRZ
-
DEN
1 stop28h 05m
Multiple Airlines
Thu 7/24:15 pm
DEN
-
GRZ
1 stop12h 20m
Multiple Airlines
Deal found 2/10$911
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:25 am
GRZ
-
DEN
1 stop17h 15m
United Airlines
Fri 5/16:00 am
DEN
-
GRZ
2 stops23h 55m
United Airlines
Deal found 2/11$912
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/316:25 am
GRZ
-
DEN
2 stops21h 30m
United Airlines
Wed 4/291:25 pm
DEN
-
GRZ
2 stops16h 35m
United Airlines
Deal found 2/11$915
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
GRZ
-
DEN
2 stops21h 40m
United Airlines
Fri 5/15:40 pm
DEN
-
GRZ
1 stop12h 15m
United Airlines
Deal found 2/11$917
This Lufthansa deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/49:50 am
GRZ
-
DEN
1 stop12h 30m
Lufthansa
Sun 5/34:05 pm
DEN
-
GRZ
1 stop16h 05m
Lufthansa
Deal found 2/11$923

Find flight deals from Graz to Colorado

Keep the following information in mind while searching for Graz to Colorado flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$905
(Flysmarter)

Popular in

January

Cheapest in

February

Average price

$806
Provider with most accurate pricing for Vienna Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Vienna Intl-Denver Intl flights.
Search Deals
From Graz Thalerhof to Colorado
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Graz to Colorado 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, Cheapflights users made 2,558,603 searches. Data last updated February 13, 2026.
Use the filters below to find and compare flights from Graz to Colorado that are best for you.

Fly from

Graz

Fly to

Colorado

Route

Depart

Return

Price

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Thu 6/25

9:50 am-10:33 am

2 stops32h 43m

Denver Intl

Thu 7/2

6:10 pm-12:35 pm

2 stops34h 25m

$906

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Thu 4/2

6:15 am-3:40 pm

1 stop17h 25m

Denver Intl

Sun 5/3

4:05 pm-4:10 pm

1 stop16h 05m

$910

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Thu 6/25

8:10 pm-4:15 pm

1 stop28h 05m

Denver Intl

Thu 7/2

4:15 pm-12:35 pm

1 stop12h 20m

$911

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 4/3

6:10 am-3:40 pm

1 stop17h 30m

Denver Intl

Wed 4/29

5:40 pm-2:00 pm

1 stop12h 20m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 3/31

6:25 am-3:40 pm

1 stop17h 15m

Denver Intl

Fri 5/1

6:00 am-1:55 pm

2 stops23h 55m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 4/1

6:00 am-3:40 pm

1 stop17h 40m

Denver Intl

Fri 5/1

5:40 pm-1:55 pm

1 stop12h 15m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 4/1

6:00 am-3:40 pm

1 stop17h 40m

Denver Intl

Tue 5/5

5:40 pm-1:55 pm

1 stop12h 15m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 3/31

6:25 am-3:40 pm

1 stop17h 15m

Denver Intl

Wed 4/29

11:15 am-2:00 pm

2 stops18h 45m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 4/1

6:00 am-3:40 pm

1 stop17h 40m

Denver Intl

Mon 5/4

5:40 pm-1:55 pm

1 stop12h 15m

$912

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 4/3

6:10 am-3:40 pm

1 stop17h 30m

Denver Intl

Thu 4/30

10:14 am-2:05 pm

2 stops19h 51m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

Showing 1-10 of 12 results
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Best time to book a flight from Graz to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Graz with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Graz to Colorado

What is the cheapest month to book a flight from Graz to Colorado?

Currently, April is the cheapest month in which you can book a flight from Graz to Colorado (average of $676). Flying from Graz to Colorado in January is currently the most expensive (average of $1,309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Graz to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Graz to Colorado?

    If you book a flight to Colorado from Graz, you will be flying from Thalerhof, which is the city’s only airport. Graz Thalerhof (GRZ) is located 5.2 mi from the center of Graz.

  • How long is the flight from Graz to Colorado?

    A quick flight from Graz to Colorado can take about 17h 25m. Air Canada provides one of the quickest options available for as low as $910. The distance from Graz to Colorado is about 5393 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Graz to Colorado that include hotel bookings?

    Yes. In addition to deals on Graz to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Graz to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Graz to Colorado.

  • Can I find deals for business class flights from Graz to Colorado?

    Yes. Cheapflights offers flight deals from Graz to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Graz to Colorado?

    Currently, April is the cheapest month in which you can book a flight from Graz to Colorado (average of $676). Flying from Graz to Colorado in January is currently the most expensive (average of $1,309). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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