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Cheap flights from Colorado to Graz from $812

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Colorado to Graz departing on 1/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Colorado to Graz

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:30 pm - 1:55 pmDEN  Denver Intl-GRZ Graz Thalerhof
16h 25m2 stops Toronto Pearson Intl Frankfurt am Main
Air Canada Logo
6:00 am - 8:27 pmGRZ  Graz Thalerhof-DEN Denver Intl
22h 27m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$812Air Canada
Sun, Jan 31 - Tue, Feb 2
Multiple Airlines Logo
1:30 pm - 1:55 pmDEN  Denver Intl-GRZ Graz Thalerhof
40h 25m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
9:50 am - 4:50 pmGRZ  Graz Thalerhof-DEN Denver Intl
39h 00m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$907Multiple Airlines
Sat, Dec 26 - Fri, Jan 8
Multiple Airlines Logo
11:35 am - 3:55 pmDEN  Denver Intl-GRZ Graz Thalerhof
20h 20m2 stops Toronto Pearson Intl Vienna Intl
Multiple Airlines Logo
10:25 am - 11:08 pmGRZ  Graz Thalerhof-DEN Denver Intl
20h 43m2 stops Frankfurt am Main Vancouver Intl
$911Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
4:15 pm - 12:35 pmDEN  Denver Intl-GRZ Graz Thalerhof
12h 20m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
9:50 am - 11:08 pmGRZ  Graz Thalerhof-DEN Denver Intl
21h 18m2 stops Munich Franz Josef Strauss Vancouver Intl
$920Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
5:40 pm - 1:55 pmDEN  Denver Intl-GRZ Graz Thalerhof
36h 15m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
9:50 am - 2:30 pmGRZ  Graz Thalerhof-DEN Denver Intl
12h 40m1 stop Munich Franz Josef Strauss
$941Multiple Airlines
Sat, Dec 26 - Fri, Jan 8
Multiple Airlines Logo
5:40 pm - 6:05 pmDEN  Denver Intl-GRZ Graz Thalerhof
16h 25m1 stop Frankfurt am Main
Multiple Airlines Logo
9:50 am - 4:58 pmGRZ  Graz Thalerhof-DEN Denver Intl
39h 08m2 stops Munich Franz Josef Strauss Vancouver Intl
$947Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
4:15 pm - 12:35 pmDEN  Denver Intl-GRZ Graz Thalerhof
12h 20m1 stop Munich Franz Josef Strauss
Multiple Airlines Logo
6:00 am - 8:17 pmGRZ  Graz Thalerhof-DEN Denver Intl
22h 17m2 stops Vienna Intl Toronto Pearson Intl
$956Multiple Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
5:40 pm - 6:05 pmDEN  Denver Intl-GRZ Graz Thalerhof
16h 25m1 stop Frankfurt am Main
Multiple Airlines Logo
6:00 am - 8:17 pmGRZ  Graz Thalerhof-DEN Denver Intl
22h 17m2 stops Vienna Intl Toronto Pearson Intl
$969Multiple Airlines
Tue, Sep 8 - Thu, Sep 17
Lufthansa Logo
4:15 pm - 12:35 pmDEN  Denver Intl-GRZ Graz Thalerhof
12h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
1:15 pm - 1:45 pmGRZ  Graz Thalerhof-DEN Denver Intl
32h 30m1 stop Munich Franz Josef Strauss
$972Lufthansa
Tue, Sep 8 - Wed, Sep 16
Lufthansa Logo
5:40 pm - 6:05 pmDEN  Denver Intl-GRZ Graz Thalerhof
16h 25m1 stop Frankfurt am Main
Lufthansa Logo
4:50 pm - 1:45 pmGRZ  Graz Thalerhof-DEN Denver Intl
28h 55m1 stop Munich Franz Josef Strauss
$983Lufthansa
Tue, Sep 8 - Wed, Sep 16

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Air Canada flights from Colorado to Graz

Our best Air Canada deals on Colorado to Graz flight tickets
Air Canada
Jan 31
DEN1:30 pmDenver Intl
16h 25m
2 stops
GRZ1:55 pmGraz Thalerhof
Feb 2
GRZ6:00 amGraz Thalerhof
22h 27m
2 stops
DEN8:27 pmDenver Intl
$812
Air Canada
Dec 26
DEN1:30 pmDenver Intl
16h 25m
2 stops
GRZ1:55 pmGraz Thalerhof
Jan 8
GRZ6:00 amGraz Thalerhof
19h 35m
3 stops
DEN5:35 pmDenver Intl
$984
Air Canada
Sep 7
DEN11:30 amDenver Intl
17h 05m
2 stops
GRZ12:35 pmGraz Thalerhof
Sep 18
GRZ9:50 amGraz Thalerhof
32h 41m
2 stops
DEN10:31 amDenver Intl
$986

Lufthansa flights from Colorado to Graz

Our best Lufthansa deals on Colorado to Graz flight tickets
Lufthansa
Sep 8
DEN4:15 pmDenver Intl
12h 20m
1 stop
GRZ12:35 pmGraz Thalerhof
Sep 16
GRZ1:15 pmGraz Thalerhof
32h 30m
1 stop
DEN1:45 pmDenver Intl
$972
Lufthansa
Sep 8
DEN5:40 pmDenver Intl
16h 25m
1 stop
GRZ6:05 pmGraz Thalerhof
Sep 16
GRZ4:50 pmGraz Thalerhof
28h 55m
1 stop
DEN1:45 pmDenver Intl
$983
Lufthansa
Sep 6
DEN5:40 pmDenver Intl
20h 55m
1 stop
GRZ10:35 pmGraz Thalerhof
Sep 15
GRZ6:15 amGraz Thalerhof
26h 15m
2 stops
DEN12:30 amDenver Intl
$1,012

momondo 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, momondo users made 832,500 searches. Data last updated August 11, 2026.
Use the filters below to find and compare flights from Colorado to Graz that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Sun 1/31

1:30 pm-1:55 pm

2 stops16h 25m

Graz Thalerhof

Tue 2/2

6:00 am-8:27 pm

2 stops22h 27m

$812

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Sat 12/26

1:30 pm-1:55 pm

2 stops40h 25m

Graz Thalerhof

Fri 1/8

9:50 am-4:50 pm

2 stops39h 00m

$907

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

11:35 am-3:55 pm

2 stops20h 20m

Graz Thalerhof

Wed 9/16

10:25 am-11:08 pm

2 stops20h 43m

$911
Quickest round-trip

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

4:15 pm-12:35 pm

1 stop12h 20m

Graz Thalerhof

Wed 9/16

9:50 am-11:08 pm

2 stops21h 18m

$920

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Sat 12/26

5:40 pm-1:55 pm

2 stops36h 15m

Graz Thalerhof

Fri 1/8

9:50 am-2:30 pm

1 stop12h 40m

$941

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

5:40 pm-6:05 pm

1 stop16h 25m

Graz Thalerhof

Wed 9/16

9:50 am-4:58 pm

2 stops39h 08m

$947

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Mon 9/7

4:15 pm-12:35 pm

1 stop12h 20m

Graz Thalerhof

Thu 9/17

6:00 am-8:17 pm

2 stops22h 17m

$956

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

5:40 pm-6:05 pm

1 stop16h 25m

Graz Thalerhof

Thu 9/17

6:00 am-8:17 pm

2 stops22h 17m

$969

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

4:15 pm-12:35 pm

1 stop12h 20m

Graz Thalerhof

Wed 9/16

1:15 pm-1:45 pm

1 stop32h 30m

$972

DenverGraz

DEN Denver Intl - GRZ Graz Thalerhof

DENGRZ

Denver Intl

Tue 9/8

5:40 pm-6:05 pm

1 stop16h 25m

Graz Thalerhof

Wed 9/16

4:50 pm-1:45 pm

1 stop28h 55m

$983

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Graz from

How to get the cheapest flight ticket from Colorado to Graz

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Colorado to Graz Thalerhof?

Lufthansa is the most popular carrier operating from Colorado to Graz Thalerhof

What airlines fly to Graz?

Lufthansa, United Airlines and Turkish Airlines are the top three most popular airlines that fly to Graz from Colorado according to our data. Lufthansa is the first choice among our users, with 58% of people opting to fly with this airline when traveling to Graz. Keep in mind that there are 5 different airlines that fly to Graz on a routine basis, so you have a few additional options to choose from.

Cheap Colorado to Graz flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Colorado to Graz

Fastest flight time

16h 25m

Direct flights

None
The fastest flight from Colorado to Graz takes 16h 25m
There are no direct flights from Colorado to Graz. There are no popular flight routes from Colorado to Graz.
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Frequently asked questions about flying from Colorado to Graz

  • When did momondo last update prices for flights from Colorado to Graz Thalerhof Airport?

    Prices for flights from Colorado to Graz Thalerhof Airport are updated daily.

  • How many operators does momondo search for flights from Colorado to Graz Thalerhof Airport?

  • How old do you have to be to fly from Colorado to Graz Thalerhof Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Colorado to Graz Thalerhof Airport.

  • What documentation or ID do you need to fly to Graz Thalerhof Airport?

    The travel and health documents you'll need for your trip to Graz Thalerhof Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Graz Thalerhof Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Colorado to Graz

Compare and see reviews for airlines that fly from Colorado to Graz with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $828Free CancellationRating
6.8
8,177 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Colorado to Graz?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Colorado to Graz. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Colorado to Graz with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Colorado to Graz flights to just show those with flexible booking policies.

How can momondo help me find flights from Colorado to Graz?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Colorado to Graz.

I’m not ready to book a flight from Colorado to Graz right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Colorado to Graz flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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