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$300+ Cheap flights from Denver (DEN) to Graz (GRZ)

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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRZ
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Denver to Graz

Cheapest flights from Denver to Graz
Explore the most affordable flight options available from Denver to Graz. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Air Canada deal was found by Cheapflights users on 1/26. 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.
Wed 2/1811:15 am
DEN
-
GRZ
2 stops18h 00m
Air Canada
Sun 2/229:50 am
GRZ
-
DEN
2 stops38h 50m
Air Canada
Deal found 1/26$956
This United Airlines deal was found by Cheapflights users on 1/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:40 pm
DEN
-
GRZ
1 stop12h 15m
United Airlines
Sat 8/16:00 am
GRZ
-
DEN
2 stops24h 53m
United Airlines
Deal found 1/25$1,003
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:15 pm
DEN
-
GRZ
1 stop12h 20m
Lufthansa
Sat 8/14:50 pm
GRZ
-
DEN
1 stop28h 55m
Lufthansa
Deal found 1/26$1,014
This Booking.com deal was found by Cheapflights users on 1/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:40 am
DEN
-
GRZ
2 stops16h 05m
Multiple Airlines
Sat 8/19:50 am
GRZ
-
DEN
3 stops17h 41m
Multiple Airlines
Deal found 1/26$1,254

Find flight deals from Denver to Graz

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Graz (GRZ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 27, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$956
(Air Canada)

One-way from

$300
(United Airlines)

Popular in

May

Cheapest in

January

Average price

$644
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
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One-way flight from Denver Intl to Graz Thalerhof
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Highest demand for flights based on searches. 5% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 January 27, 2026.
Use the filters below to find and compare flights from Denver to Graz that are best for you.

Fly from

Denver

Fly to

Graz

Route

Depart

Return

Price

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Wed 2/18

11:15 am-1:15 pm

2 stops18h 00m

Graz Thalerhof

Sun 2/22

9:50 am-4:40 pm

2 stops38h 50m

$956

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Fri 7/17

5:40 pm-1:55 pm

1 stop12h 15m

Graz Thalerhof

Sat 8/1

6:00 am-10:53 pm

2 stops24h 53m

$1,003

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Fri 7/17

4:15 pm-12:35 pm

1 stop12h 20m

Graz Thalerhof

Sat 8/1

4:50 pm-1:45 pm

1 stop28h 55m

$1,014

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Fri 7/17

9:40 am-9:45 am

2 stops16h 05m

Graz Thalerhof

Sat 8/1

9:50 am-9:25 pm

3 stops19h 35m

$1,254

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Sat 5/16

11:59 pm-1:55 pm

2 stops29h 56m

$300

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Sat 5/16

11:30 pm-8:20 pm

3 stops36h 50m

$706

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • 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, April is the cheapest month in which you can book a flight from Denver to Graz (average of $433). Flying from Denver to Graz in June is currently the most expensive (average of $782). 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 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 January 27, 2026.
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
7,748 reviews

Food

6.3

Boarding

7.0

Overall

6.8

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.
Lufthansa
6.8
Okay
7,748 reviews
Lufthansa
6.8
Okay
7,748 reviews

Food

6.3

Boarding

7.0

Overall

6.8

Comfort

6.8

Crew

7.6

Entertainment

6.4

Reviews

1 / 20
6.0
Good

Anonymous,Dec 2025

SFO - MUC

The coordination between United and Lufthansa teams is poor and confusing.

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?

    For as low as $1,003, Air Canada can have you in Graz from Denver in 12h 15m. There are 5393 mi between Denver and Graz. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, April is the cheapest month in which you can book a flight from Denver to Graz (average of $433). Flying from Denver to Graz in June is currently the most expensive (average of $782). 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

Discover the top airline that operate flights from Denver 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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