How do I get Price Alerts for flights from Klagenfurt to Denver?

Price Alerts will notify you by email when the price for flights to Denver from Klagenfurt decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Klagenfurt to Denver with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

When did momondo last update prices for flights from Klagenfurt Airport to Denver Intl Airport?

Prices for flights from Klagenfurt Airport to Denver Intl Airport refresh daily.

How old do you have to be to fly from Klagenfurt Airport to Denver Intl 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 Klagenfurt Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,091 Cheap Flights from Klagenfurt to Denver in 2026

1 adult

0 bags

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Find the cheapest flights from Klagenfurt to Denver

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:00 pm - 1:30 pm

KLU

DEN

30h 30m

2 stops

3:55 pm - 2:00 pm

DEN

KLU

14h 05m

2 stops

$1,091Lufthansa

Fri, Jun 26 - Fri, Jul 10

5:50 am - 8:22 pm

KLU

DEN

22h 32m

3 stops

11:30 am - 2:00 pm

DEN

KLU

18h 30m

2 stops

$1,147Air Canada

Fri, Jun 26 - Fri, Jul 10

5:50 am - 8:22 pm

KLU

DEN

22h 32m

3 stops

11:30 am - 2:00 pm

DEN

KLU

18h 30m

3 stops

$1,181Air Canada

Fri, Jun 26 - Fri, Jul 10

Air Canada flights from Klagenfurt to Denver

Our best Air Canada deals on Klagenfurt to Denver flight tickets

Air Canada

Jun 26

KLU5:50 amKlagenfurt

22h 32m

3 stops

DEN8:22 pmDenver Intl

Jul 10

DEN11:30 amDenver Intl

18h 30m

2 stops

KLU2:00 pmKlagenfurt

$1,147

Air Canada

Jun 26

KLU5:50 amKlagenfurt

22h 32m

3 stops

DEN8:22 pmDenver Intl

Jul 10

DEN11:30 amDenver Intl

18h 30m

3 stops

KLU2:00 pmKlagenfurt

$1,181

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KlagenfurtDenver

KLU - DEN

KLUDEN

Klagenfurt

Fri 6/26

3:00 pm-1:30 pm

2 stops30h 30m

Denver Intl

Fri 7/10

3:55 pm-2:00 pm

2 stops14h 05m

$1,091

Quickest round-trip

KlagenfurtDenver

KLU - DEN

KLUDEN

Klagenfurt

Fri 6/26

5:50 am-8:22 pm

3 stops22h 32m

Denver Intl

Fri 7/10

11:30 am-2:00 pm

2 stops18h 30m

$1,147

KlagenfurtDenver

KLU - DEN

KLUDEN

Klagenfurt

Fri 6/26

5:50 am-8:22 pm

3 stops22h 32m

Denver Intl

Fri 7/10

11:30 am-2:00 pm

3 stops18h 30m

$1,181

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Klagenfurt to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Klagenfurt to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Klagenfurt to Denver (KLU to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Klagenfurt to Denver

Fastest flight time	30h 30m
Direct flights	None

The fastest flight from Klagenfurt to Denver takes 30h 30m

There are no direct flights from Klagenfurt to Denver. There are no popular flight routes from Klagenfurt to Denver.

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Frequently asked questions about flying from Klagenfurt to Denver

How far is Klagenfurt to Denver Intl by plane?
A flight from Klagenfurt to Denver Intl will travel around 5392.0 mi. In terms of flight time, this usually takes a little over 30h 30m.
When did momondo last update prices for flights from Klagenfurt Airport to Denver Intl Airport?
Prices for flights from Klagenfurt Airport to Denver Intl Airport refresh daily.
How old do you have to be to fly from Klagenfurt Airport to Denver Intl 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 Klagenfurt Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Klagenfurt to Denver

How do I get Price Alerts for flights from Klagenfurt to Denver?
Price Alerts will notify you by email when the price for flights to Denver from Klagenfurt decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Klagenfurt to Denver with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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Why use momondo?

Why should I use momondo to find a flight deal from Klagenfurt to Denver?

Finding the right flight to Denver from Klagenfurt is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denver quick and easy, saving you time and money.

Can I find flights from Klagenfurt to Denver with flexible booking policies on momondo?

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

How can momondo help me find flights from Klagenfurt to Denver?

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 Klagenfurt to Denver.

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

Yes. momondo can track prices for Klagenfurt to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.