How long is the flight from Denver to Graz?

For as low as $872, Air Canada can have you in Graz from Denver in 39h 44m. There are 5393 mi between Denver and Graz.

In terms of precipitation, rainfall in Graz ranges from 1.2 - 5.1 inches per month. July is typically the wettest month, when rainfall can reach 5.1 in. January is typically the driest time to visit Graz when rainfall is around 1.2 in.

If weather is an important factor for your trip to Graz, 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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What is the cheapest time of day to fly from DEN to GRZ?

When flying from Denver to Graz, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Denver-Graz flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Denver-Graz flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Denver-Graz flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Denver-Graz flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Graz flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Denver to Graz?

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

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

Yes. Cheapflights offers flight deals from Denver 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.

$872+ Flights from Denver to Graz

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Cheap flight deals from Denver to Graz

Best flights from Denver to Graz
Discover carefully curated flight deals from Denver to Graz that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Thu 2/193:56 pmDEN - GRZ

2 stops39h 44mAir Canada

Mon 2/236:00 amGRZ - DEN

2 stops21h 55mAir Canada

Deal found 12/2

$872

Find flight deals from Denver to Graz

Most accurate provider	AranGrant 2 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$734 (Lufthansa)
Popular in	June
Cheapest in	April
Average price	$1,056

Provider with most accurate pricing for Denver Intl-Graz Thalerhof flight deals.

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Provider most trusted by Cheapflights users for Denver Intl-Graz Thalerhof flights.

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From Denver Intl to Graz Thalerhof

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($156 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

Fly from

Fly to

Route

Depart

Return

Price

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Thu 2/19

3:56 pm-3:40 pm

2 stops39h 44m

Graz Thalerhof

Mon 2/23

6:00 am-7:55 pm

2 stops21h 55m

$872

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Most accurate provider: When it comes to deals on Denver-Graz flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Denver-Graz flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Denver-Graz flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Denver-Graz flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Denver-Graz flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Denver to Graz

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

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

Currently, February is the cheapest month in which you can book a flight from Denver to Graz (average of $563). Flying from Denver 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.

Reviews of airlines servicing Graz

Get a feel of what it's like to fly with Lufthansa from Denver to Graz by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Lufthansa

6.8

Okay

7,612 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Lufthansa

6.8

Okay

7,612 reviews

Lufthansa

6.8

Okay

7,612 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

SFO - FRA

Convenient flight to my destination. Good entertainment options on board. I was seated close to some people who had noisy children which made sleeping a bit challenging.

Related info for your journey

How long is the flight from Denver to Graz?
For as low as $872, Air Canada can have you in Graz from Denver in 39h 44m. There are 5393 mi between Denver and Graz.
Can I find deals for flights from Denver to Graz that include hotel bookings?
Yes. In addition to deals on Denver to Graz flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Graz?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Graz.
Can I find deals for business class flights from Denver to Graz?
Yes. Cheapflights offers flight deals from Denver 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 Denver to Graz?
Currently, February is the cheapest month in which you can book a flight from Denver to Graz (average of $563). Flying from Denver 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 Denver to Graz

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	Cheapest$664	Average$977	FlexibilityNo cancel fee	On-time76%

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$872+ Cheap flights from Denver (DEN) 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Denver to Graz with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Denver to Graz

Best flights from Denver to GrazDiscover carefully curated flight deals from Denver to Graz that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Discover carefully curated flight deals from Denver to Graz that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

Find flight deals from Denver to Graz

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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Use the filters below to find and compare flights from Denver to Graz that are best for you.

Best time to book a flight from Denver to Graz

Have a flexible travel schedule? Discover the best time to fly to Graz from Denver with our price prediction graph.

Cheapflights Insights

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

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

Reviews of airlines servicing Graz

Get insights into the airlines that provide service to Graz. 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 Graz. Reviews last updated December 4, 2025.

Get a feel of what it's like to fly with Lufthansa from Denver to Graz by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from Denver to Graz?

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

How can I find direct flights from Denver to Graz?

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Denver to Graz

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Top airline flying from Denver to Graz

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Book with Flexibility

Travel Smart

Best flights from Denver to Graz
Discover carefully curated flight deals from Denver to Graz that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.