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$755+ Cheap flights from Graz (GRZ) to Colorado

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — DEN
kwi 5 — kwi 121
sob. 4/5
sob. 4/12
1 adult, Economy
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Cheap flight deals from Graz to Colorado

Keep the following information in mind while searching for Graz to Colorado flight deals. Data was last updated Marzec 31, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$803
(Lufthansa)

One-way from

$755
(Mytrip)

Popular in

September

Cheapest in

February

Average price

$899
Provider with most accurate pricing for Graz Thalerhof-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Graz Thalerhof-Denver Intl flights.
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From Graz Thalerhof to Colorado
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One-way flight from Graz Thalerhof to Colorado
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Highest demand for flights based on searches. 11% potential increase in price ($119 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 Marzec 31, 2025.

This Lufthansa deal was found by Cheapflights users on 3/31. 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.
pt. 5/29:55 amGRZ - DEN
1 stop16h 45mLufthansa
ndz. 5/184:15 pmDEN - GRZ
1 stop16h 00mLufthansa
Deal found 3/31$803
This Air Canada deal was found by Cheapflights users on 3/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
śr. 4/306:00 amGRZ - DEN
2 stops36h 27mAir Canada
pon. 5/195:40 pmDEN - GRZ
2 stops34h 55mAir Canada
Deal found 3/31$820
This Austrian Airlines deal was found by Cheapflights users on 3/31. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/311:25 amGRZ - DEN
2 stops39h 15mAustrian Airlines
sob. 5/178:15 pmDEN - GRZ
2 stops30h 35mAustrian Airlines
Deal found 3/31$856
This flugladen.de deal was found by Cheapflights users on 3/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/310:35 amGRZ - DEN
1 stop13h 00mSWISS
sob. 5/175:35 pmDEN - GRZ
2 stops45h 45mSWISS
Deal found 3/31$862
This Flysmarter deal was found by Cheapflights users on 3/31. 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.
sob. 5/31:15 pmGRZ - DEN
2 stops16h 25mMultiple Airlines
sob. 5/1711:59 pmDEN - GRZ
3 stops26h 11mMultiple Airlines
Deal found 3/31$877
This flugladen.de deal was found by Cheapflights users on 3/31. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sob. 5/36:00 amGRZ - DEN
1 stop17h 35mBrussels Airlines
sob. 5/173:45 pmDEN - GRZ
1 stop14h 25mBrussels Airlines
Deal found 3/31$1,024

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 Marzec 31, 2025.
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

pt. 5/2

9:55 am-6:40 pm

1 stop16h 45m

Denver Intl

ndz. 5/18

4:15 pm-4:15 pm

1 stop16h 00m

$803

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

śr. 4/30

6:00 am-10:27 am

2 stops36h 27m

Denver Intl

pon. 5/19

5:40 pm-12:35 pm

2 stops34h 55m

$820

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

sob. 5/3

11:25 am-6:40 pm

2 stops39h 15m

Denver Intl

sob. 5/17

8:15 pm-10:50 am

2 stops30h 35m

$856

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

sob. 5/3

10:35 am-3:35 pm

1 stop13h 00m

Denver Intl

sob. 5/17

5:35 pm-11:20 pm

2 stops45h 45m

$862

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

sob. 5/3

1:15 pm-9:40 pm

2 stops16h 25m

Denver Intl

sob. 5/17

11:59 pm-10:10 am

3 stops26h 11m

$877

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

sob. 5/3

6:00 am-3:35 pm

1 stop17h 35m

Denver Intl

sob. 5/17

3:45 pm-2:10 pm

1 stop14h 25m

$1,024

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

wt. 7/1

8:40 am-11:27 am

3 stops34h 47m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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, October is the cheapest month in which you can book a flight from Graz to Colorado (average of $197). Flying from Graz to Colorado in March is currently the most expensive (average of $278). 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.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated Marzec 31, 2025.
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
770 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,570 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Brussels Airlines
7.4
Good
345 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Air Canada
7.0
Good
9,004 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Lufthansa
6.7
Okay
6,960 reviews
Austrian Airlines
7.6
Good
770 reviews

Overall

7.6

Boarding

7.6

Food

6.8

Crew

8.1

Comfort

7.3

Entertainment

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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.

  • 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, October is the cheapest month in which you can book a flight from Graz to Colorado (average of $197). Flying from Graz to Colorado in March is currently the most expensive (average of $278). 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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