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$697+ Cheap flights from Colorado to Graz (GRZ)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRZ
ene. 26 — feb. 21
lun. 1/26
lun. 2/2
1 adult, Economy
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Cheap flight deals from Colorado to Graz

Best flights from Colorado to Graz
Discover carefully curated flight deals from Colorado to Graz that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 27, 2025.

This Gotogate deal was found by Cheapflights users on 12/25. 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.
mié. 4/111:05 amDEN - GRZ
2 stops17h 30mMultiple Airlines
dom. 4/127:15 pmGRZ - DEN
2 stops29h 20mMultiple Airlines
Deal found 12/25$697
This Air Canada deal was found by Cheapflights users on 12/25. 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.
mié. 2/1811:15 amDEN - GRZ
2 stops18h 00mAir Canada
dom. 2/229:50 amGRZ - DEN
2 stops38h 50mAir Canada
Deal found 12/25$712
This Gotogate deal was found by Cheapflights users on 12/25. 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.
mié. 4/14:05 pmDEN - GRZ
1 stop12h 30mLufthansa
dom. 4/123:40 pmGRZ - DEN
2 stops54h 40mLufthansa
Deal found 12/25$722
This Air Canada deal was found by Cheapflights users on 12/24. 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.
mié. 2/45:30 pmDEN - GRZ
2 stops36h 10mAir Canada
dom. 2/89:50 amGRZ - DEN
2 stops34h 36mAir Canada
Deal found 12/24$758

Find flight deals from Colorado to Graz

Keep the following information in mind while searching for Colorado to Graz flight deals. Data was last updated diciembre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$697
(Gotogate)

Popular in

June

Cheapest in

April

Average price

$1,083
Provider with most accurate pricing for Denver Intl-Vienna Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Vienna Intl flights.
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From Colorado to Graz Thalerhof
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado 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, Cheapflights users made 2,558,603 searches. Data last updated diciembre 27, 2025.
Use the filters below to find and compare flights from Colorado to Graz that are best for you.

Fly from

Colorado

Fly to

Graz

Route

Depart

Return

Price

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

mié. 4/1

11:05 am-12:35 pm

2 stops17h 30m

Graz Thalerhof

dom. 4/12

7:15 pm-4:35 pm

2 stops29h 20m

$697

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

mié. 2/18

11:15 am-1:15 pm

2 stops18h 00m

Graz Thalerhof

dom. 2/22

9:50 am-4:40 pm

2 stops38h 50m

$712

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

mié. 4/1

4:05 pm-12:35 pm

1 stop12h 30m

Graz Thalerhof

dom. 4/12

3:40 pm-2:20 pm

2 stops54h 40m

$722

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

mié. 2/4

5:30 pm-1:40 pm

2 stops36h 10m

Graz Thalerhof

dom. 2/8

9:50 am-12:26 pm

2 stops34h 36m

$758

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Best time to book a flight from Colorado to Graz

Have a flexible travel schedule? Discover the best time to fly to Graz from Colorado 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 Colorado to Graz

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Graz (average of $563). Flying from Colorado to Graz in June is currently the most expensive (average of $860). 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 Colorado to Graz. 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 into for flights to Graz from Colorado?

    Most people fly into Graz Thalerhof (GRZ) if they book a flight to Graz from Colorado. Thalerhof is conveniently located just 5.2 mi from Graz’s city center.

  • How long is the flight from Colorado to Graz?

    Air Canada and Lufthansa can get you from Colorado to Graz in just under 12h 30m. Your travel time can differ by up to 5h 30m. The distance from Colorado to Graz is about 5393 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Graz 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 Colorado to Graz?

    Currently, February is the cheapest month in which you can book a flight from Colorado to Graz (average of $563). Flying from Colorado to Graz in June is currently the most expensive (average of $860). 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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Top airline flying from Colorado to Graz

Discover the top airline that operate flights from Colorado to Graz. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated diciembre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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