What airlines fly to Colorado?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Colorado from Graz according to our data. Lufthansa is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 3 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Graz Thalerhof Airport to Colorado were last updated today.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Graz Thalerhof Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,005 Cheap Flights from Graz to Colorado in 2026

1 adult

0 bags

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Find the cheapest flights from Graz to Colorado

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 3:40 pm

GRZ

DEN

17h 25m

1 stop

4:15 pm - 12:35 pm

DEN

GRZ

12h 20m

1 stop

$1,005United Airlines

Tue, Aug 25 - Tue, Sep 8

6:15 am - 3:40 pm

GRZ

DEN

17h 25m

1 stop

9:35 am - 2:05 pm

DEN

GRZ

20h 30m

2 stops

$1,006United Airlines

Tue, Aug 25 - Thu, Sep 10

6:05 am - 11:05 pm

GRZ

DEN

25h 00m

2 stops

4:15 pm - 12:35 pm

DEN

GRZ

12h 20m

1 stop

$1,011United Airlines

Thu, Aug 20 - Thu, Sep 10

1:15 pm - 6:50 pm

GRZ

DEN

13h 35m

1 stop

4:15 pm - 12:35 pm

DEN

GRZ

12h 20m

1 stop

$1,018Lufthansa

Sun, Aug 23 - Mon, Sep 7

6:10 am - 1:30 pm

GRZ

DEN

15h 20m

1 stop

4:15 pm - 12:35 pm

DEN

GRZ

12h 20m

1 stop

$1,035Lufthansa

Fri, Aug 21 - Mon, Sep 7

1:20 pm - 6:50 pm

GRZ

DEN

13h 30m

1 stop

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$1,047Lufthansa

Sat, Aug 22 - Wed, Sep 9

6:15 am - 1:45 pm

GRZ

DEN

15h 30m

2 stops

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$1,051Lufthansa

Sun, Aug 23 - Tue, Sep 8

1:20 pm - 9:39 pm

GRZ

DEN

16h 19m

2 stops

4:15 pm - 12:35 pm

DEN

GRZ

12h 20m

1 stop

$1,225Lufthansa

Sat, Aug 22 - Wed, Sep 9

9:50 am - 8:28 pm

GRZ

DEN

18h 38m

2 stops

11:30 am - 12:40 pm

DEN

GRZ

17h 10m

2 stops

$1,267Multiple Airlines

Mon, May 25 - Fri, May 29

9:50 am - 6:50 pm

GRZ

DEN

17h 00m

1 stop

8:25 pm - 4:10 pm

DEN

GRZ

11h 45m

1 stop

$1,337Multiple Airlines

Mon, May 25 - Fri, May 29

Lufthansa flights from Graz to Colorado

Our best Lufthansa deals on Graz to Colorado flight tickets

Lufthansa

Aug 23

GRZ1:15 pmGraz Thalerhof

13h 35m

1 stop

DEN6:50 pmDenver Intl

Sep 7

DEN4:15 pmDenver Intl

12h 20m

1 stop

GRZ12:35 pmGraz Thalerhof

$1,018

Lufthansa

Aug 21

GRZ6:10 amGraz Thalerhof

15h 20m

1 stop

DEN1:30 pmDenver Intl

Sep 7

DEN4:15 pmDenver Intl

12h 20m

1 stop

GRZ12:35 pmGraz Thalerhof

$1,035

Lufthansa

Aug 22

GRZ1:20 pmGraz Thalerhof

13h 30m

1 stop

DEN6:50 pmDenver Intl

Sep 9

DEN4:15 pmDenver Intl

15h 55m

1 stop

GRZ4:10 pmGraz Thalerhof

$1,047

United Airlines flights from Graz to Colorado

Our best United Airlines deals on Graz to Colorado flight tickets

United Airlines

Aug 25

GRZ6:15 amGraz Thalerhof

17h 25m

1 stop

DEN3:40 pmDenver Intl

Sep 8

DEN4:15 pmDenver Intl

12h 20m

1 stop

GRZ12:35 pmGraz Thalerhof

$1,005

United Airlines

Aug 25

GRZ6:15 amGraz Thalerhof

17h 25m

1 stop

DEN3:40 pmDenver Intl

Sep 10

DEN9:35 amDenver Intl

20h 30m

2 stops

GRZ2:05 pmGraz Thalerhof

$1,006

United Airlines

Aug 20

GRZ6:05 amGraz Thalerhof

25h 00m

2 stops

DEN11:05 pmDenver Intl

Sep 10

DEN4:15 pmDenver Intl

12h 20m

1 stop

GRZ12:35 pmGraz Thalerhof

$1,011

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 8/25

6:15 am-3:40 pm

1 stop17h 25m

Denver Intl

Tue 9/8

4:15 pm-12:35 pm

1 stop12h 20m

$1,005

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 8/25

6:15 am-3:40 pm

1 stop17h 25m

Denver Intl

Thu 9/10

9:35 am-2:05 pm

2 stops20h 30m

$1,006

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Thu 8/20

6:05 am-11:05 pm

2 stops25h 00m

Denver Intl

Thu 9/10

4:15 pm-12:35 pm

1 stop12h 20m

$1,011

Quickest round-trip

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Sun 8/23

1:15 pm-6:50 pm

1 stop13h 35m

Denver Intl

Mon 9/7

4:15 pm-12:35 pm

1 stop12h 20m

$1,018

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 8/21

6:10 am-1:30 pm

1 stop15h 20m

Denver Intl

Mon 9/7

4:15 pm-12:35 pm

1 stop12h 20m

$1,035

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Sat 8/22

1:20 pm-6:50 pm

1 stop13h 30m

Denver Intl

Wed 9/9

4:15 pm-4:10 pm

1 stop15h 55m

$1,047

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Sun 8/23

6:15 am-1:45 pm

2 stops15h 30m

Denver Intl

Tue 9/8

4:15 pm-4:10 pm

1 stop15h 55m

$1,051

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Sat 8/22

1:20 pm-9:39 pm

2 stops16h 19m

Denver Intl

Wed 9/9

4:15 pm-12:35 pm

1 stop12h 20m

$1,225

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Mon 5/25

9:50 am-8:28 pm

2 stops18h 38m

Denver Intl

Fri 5/29

11:30 am-12:40 pm

2 stops17h 10m

$1,267

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Mon 5/25

9:50 am-6:50 pm

1 stop17h 00m

Denver Intl

Fri 5/29

8:25 pm-4:10 pm

1 stop11h 45m

$1,337

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Graz to Colorado

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

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of February is, on average, the cheapest month to fly to Colorado from Graz, with most prices found around $0. The month of January is another great option to travel to Colorado, with average flight prices from Graz averaging around $0.

Cheap Graz to Colorado flight deals and tips

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

Fastest flight time	17h 45m
Direct flights	None

The fastest flight from Graz to Colorado takes 17h 45m

There are no direct flights from Graz to Colorado. There are no popular flight routes from Graz to Colorado.

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Frequently asked questions about flying from Graz to Colorado

When did momondo last update prices for flights from Graz Thalerhof Airport to Colorado?
Prices for flights from Graz Thalerhof Airport to Colorado were last updated today.
How old do you have to be to fly from Graz Thalerhof Airport to Colorado?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Graz Thalerhof Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

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

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

Yes. All flights to Colorado from Graz on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Graz and Colorado by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Graz to Colorado now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Colorado and let you know when they change.