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 76% 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.

$971 Cheap Flights from Graz to Colorado in 2026

Find the cheapest flights from Graz to Colorado

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:25 am - 3:40 pm

GRZ

DEN

13h 15m

1 stop

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$971Lufthansa

Tue, Aug 18 - Wed, Aug 26

10:25 am - 10:35 am

GRZ

DEN

32h 10m

2 stops

9:40 am - 9:45 am

DEN

GRZ

16h 05m

2 stops

$976Multiple Airlines

Fri, Sep 4 - Fri, Sep 25

6:00 am - 3:35 pm

GRZ

DEN

17h 35m

1 stop

9:54 am - 1:55 pm

DEN

GRZ

20h 01m

2 stops

$978United Airlines

Fri, Nov 6 - Mon, Nov 9

6:15 am - 8:55 am

GRZ

DEN

34h 40m

2 stops

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$979United Airlines

Tue, Aug 18 - Wed, Aug 26

10:25 am - 12:30 am

GRZ

DEN

22h 05m

2 stops

8:25 pm - 4:10 pm

DEN

GRZ

11h 45m

1 stop

$980Lufthansa

Wed, Jul 8 - Sun, Jul 12

9:50 am - 6:50 pm

GRZ

DEN

17h 00m

1 stop

8:25 pm - 4:10 pm

DEN

GRZ

11h 45m

1 stop

$982Lufthansa

Wed, Jul 8 - Sun, Jul 12

6:00 am - 8:05 pm

GRZ

DEN

22h 05m

2 stops

11:48 am - 1:55 pm

DEN

GRZ

18h 07m

2 stops

$983United Airlines

Fri, Nov 6 - Mon, Nov 9

10:25 am - 3:40 pm

GRZ

DEN

13h 15m

1 stop

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$997Lufthansa

Fri, Sep 4 - Fri, Sep 25

9:50 am - 8:22 pm

GRZ

DEN

18h 32m

2 stops

4:15 pm - 4:10 pm

DEN

GRZ

15h 55m

1 stop

$999Multiple Airlines

Fri, Sep 4 - Fri, Sep 25

2:45 pm - 12:30 am

GRZ

DEN

17h 45m

2 stops

4:15 pm - 12:35 pm

DEN

GRZ

36h 20m

2 stops

$1,001Multiple Airlines

Wed, Jul 15 - Sat, Aug 8

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Lufthansa flights from Graz to Colorado

Our best Lufthansa deals on Graz to Colorado flight tickets

Lufthansa

Aug 18

GRZ10:25 amGraz Thalerhof

13h 15m

1 stop

DEN3:40 pmDenver Intl

Aug 26

DEN4:15 pmDenver Intl

15h 55m

1 stop

GRZ4:10 pmGraz Thalerhof

$971

Lufthansa

Jul 8

GRZ10:25 amGraz Thalerhof

22h 05m

2 stops

DEN12:30 amDenver Intl

Jul 12

DEN8:25 pmDenver Intl

11h 45m

1 stop

GRZ4:10 pmGraz Thalerhof

$980

Lufthansa

Jul 8

GRZ9:50 amGraz Thalerhof

17h 00m

1 stop

DEN6:50 pmDenver Intl

Jul 12

DEN8:25 pmDenver Intl

11h 45m

1 stop

GRZ4:10 pmGraz Thalerhof

$982

United Airlines flights from Graz to Colorado

Our best United Airlines deals on Graz to Colorado flight tickets

United Airlines

Nov 6

GRZ6:00 amGraz Thalerhof

17h 35m

1 stop

DEN3:35 pmDenver Intl

Nov 9

DEN9:54 amDenver Intl

20h 01m

2 stops

GRZ1:55 pmGraz Thalerhof

$978

United Airlines

Aug 18

GRZ6:15 amGraz Thalerhof

34h 40m

2 stops

DEN8:55 amDenver Intl

Aug 26

DEN4:15 pmDenver Intl

15h 55m

1 stop

GRZ4:10 pmGraz Thalerhof

$979

United Airlines

Nov 6

GRZ6:00 amGraz Thalerhof

22h 05m

2 stops

DEN8:05 pmDenver Intl

Nov 9

DEN11:48 amDenver Intl

18h 07m

2 stops

GRZ1:55 pmGraz Thalerhof

$983

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 8/18

10:25 am-3:40 pm

1 stop13h 15m

Denver Intl

Wed 8/26

4:15 pm-4:10 pm

1 stop15h 55m

$971

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 9/4

10:25 am-10:35 am

2 stops32h 10m

Denver Intl

Fri 9/25

9:40 am-9:45 am

2 stops16h 05m

$976

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 11/6

6:00 am-3:35 pm

1 stop17h 35m

Denver Intl

Mon 11/9

9:54 am-1:55 pm

2 stops20h 01m

$978

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Tue 8/18

6:15 am-8:55 am

2 stops34h 40m

Denver Intl

Wed 8/26

4:15 pm-4:10 pm

1 stop15h 55m

$979

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 7/8

10:25 am-12:30 am

2 stops22h 05m

Denver Intl

Sun 7/12

8:25 pm-4:10 pm

1 stop11h 45m

$980

Quickest round-trip

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 7/8

9:50 am-6:50 pm

1 stop17h 00m

Denver Intl

Sun 7/12

8:25 pm-4:10 pm

1 stop11h 45m

$982

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 11/6

6:00 am-8:05 pm

2 stops22h 05m

Denver Intl

Mon 11/9

11:48 am-1:55 pm

2 stops18h 07m

$983

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 9/4

10:25 am-3:40 pm

1 stop13h 15m

Denver Intl

Fri 9/25

4:15 pm-4:10 pm

1 stop15h 55m

$997

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Fri 9/4

9:50 am-8:22 pm

2 stops18h 32m

Denver Intl

Fri 9/25

4:15 pm-4:10 pm

1 stop15h 55m

$999

GrazDenver

GRZ - DEN

GRZDEN

Graz Thalerhof

Wed 7/15

2:45 pm-12:30 am

2 stops17h 45m

Denver Intl

Sat 8/8

4:15 pm-12:35 pm

2 stops36h 20m

$1,001

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	13h 15m
Direct flights	None

The fastest flight from Graz to Colorado takes 13h 15m

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

Search flight deals

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.