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Graz

$685+ 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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — GRZ
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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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 23, 2025.

This Air Canada deal was found by Cheapflights users on 12/20. 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 amDEN - GRZ
2 stops20h 25mAir Canada
Tue 3/39:50 amGRZ - DEN
2 stops34h 47mAir Canada
Deal found 12/20$685
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:15 pmDEN - GRZ
2 stops22h 25mLufthansa
Fri 2/276:05 amGRZ - DEN
1 stop15h 35mLufthansa
Deal found 12/20$689
This United Airlines deal was found by Cheapflights users on 12/20. 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 2/183:55 pmDEN - GRZ
1 stop13h 40mUnited Airlines
Wed 2/256:05 amGRZ - DEN
1 stop17h 55mUnited Airlines
Deal found 12/20$692
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/235:35 pmDEN - GRZ
2 stops40h 30mSWISS
Mon 3/210:45 amGRZ - DEN
2 stops44h 21mSWISS
Deal found 12/20$700
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/184:15 pmDEN - GRZ
2 stops15h 25mLufthansa
Wed 2/256:05 amGRZ - DEN
1 stop17h 55mLufthansa
Deal found 12/20$689
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Mon 2/233:55 pmDEN - GRZ
1 stop13h 40mUnited Airlines
Tue 3/36:05 amGRZ - DEN
1 stop15h 35mUnited Airlines
Deal found 12/20$692
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:30 amDEN - GRZ
2 stops17h 25mLufthansa
Tue 3/36:05 amGRZ - DEN
1 stop15h 35mLufthansa
Deal found 12/20$689
This United Airlines deal was found by Cheapflights users on 12/20. 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 2/183:55 pmDEN - GRZ
1 stop13h 40mUnited Airlines
Thu 2/266:05 amGRZ - DEN
1 stop15h 35mUnited Airlines
Deal found 12/20$692
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 2/2211:59 pmDEN - GRZ
2 stops29h 36mUnited Airlines
Tue 3/36:05 amGRZ - DEN
1 stop15h 35mUnited Airlines
Deal found 12/20$696
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:15 pmDEN - GRZ
2 stops33h 20mLufthansa
Tue 3/36:05 amGRZ - DEN
1 stop17h 55mLufthansa
Deal found 12/20$713
This KAYAK deal was found by Cheapflights users on 12/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:15 pmDEN - GRZ
2 stops33h 20mLufthansa
Mon 3/24:20 pmGRZ - DEN
1 stop34h 35mLufthansa
Deal found 12/20$725
This Lufthansa deal was found by Cheapflights users on 12/20. 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 2/195:45 pmDEN - GRZ
1 stop21h 00mLufthansa
Fri 2/276:05 amGRZ - DEN
1 stop15h 35mLufthansa
Deal found 12/20$742

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 December 23, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$681
(Air Canada)

Popular in

June

Cheapest in

April

Average price

$1,083
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.
Search Deals
From Denver Intl to Graz Thalerhof
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($153 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
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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 December 23, 2025.
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-3:40 pm

2 stops20h 25m

Graz Thalerhof

Tue 3/3

9:50 am-12:37 pm

2 stops34h 47m

$685

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Wed 2/18

4:15 pm-10:40 pm

2 stops22h 25m

Graz Thalerhof

Fri 2/27

6:05 am-1:40 pm

1 stop15h 35m

$689

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Wed 2/18

4:15 pm-3:40 pm

2 stops15h 25m

Graz Thalerhof

Wed 2/25

6:05 am-4:00 pm

1 stop17h 55m

$689

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Mon 2/23

11:30 am-12:55 pm

2 stops17h 25m

Graz Thalerhof

Tue 3/3

6:05 am-1:40 pm

1 stop15h 35m

$689

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Wed 2/18

3:55 pm-1:35 pm

1 stop13h 40m

Graz Thalerhof

Wed 2/25

6:05 am-4:00 pm

1 stop17h 55m

$692

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Mon 2/23

3:55 pm-1:35 pm

1 stop13h 40m

Graz Thalerhof

Tue 3/3

6:05 am-1:40 pm

1 stop15h 35m

$692

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Wed 2/18

3:55 pm-1:35 pm

1 stop13h 40m

Graz Thalerhof

Thu 2/26

6:05 am-1:40 pm

1 stop15h 35m

$692

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Sun 2/22

11:59 pm-1:35 pm

2 stops29h 36m

Graz Thalerhof

Tue 3/3

6:05 am-1:40 pm

1 stop15h 35m

$696

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Mon 2/23

5:35 pm-6:05 pm

2 stops40h 30m

Graz Thalerhof

Mon 3/2

10:45 am-11:06 pm

2 stops44h 21m

$700

DenverGraz

DEN - GRZ

DENGRZ

Denver Intl

Sat 2/21

4:15 pm-9:35 am

2 stops33h 20m

Graz Thalerhof

Tue 3/3

6:05 am-4:00 pm

1 stop17h 55m

$713

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 12 results
1
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 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 23, 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.
Lufthansa
6.8
Okay
7,649 reviews

Entertainment

6.4

Food

6.3

Boarding

7.0

Overall

6.8

Comfort

6.8

Crew

7.6

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
7,649 reviews
Lufthansa
6.8
Okay
7,649 reviews

Entertainment

6.4

Food

6.3

Boarding

7.0

Overall

6.8

Comfort

6.8

Crew

7.6

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

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 $692, Air Canada can have you in Graz from Denver in 13h 40m. 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, 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

Browse thousands of different options on Cheapflights for your next trip

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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$664Average$977FlexibilityNo cancel feeOn-time76%

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