$967+ Cheap flights from Klagenfurt (KLU) to Colorado
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
KLU — DEN
Feb 28 — Mar 71
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Klagenfurt to Colorado with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Klagenfurt to Colorado
Cheapest flights from Klagenfurt to ColoradoExplore the most affordable flight options available from Klagenfurt to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from Klagenfurt to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Air Canada deal was found by Cheapflights users on 1/26. 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 9/235:45 am
KLU
- DEN
2 stops36h 36m
Air Canada
Sun 9/275:40 pm
DEN
- KLU
2 stops36h 20m
Air Canada
Deal found 1/26![Air Canada logo]()
$967
Best time to book a flight from Klagenfurt to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Klagenfurt 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 Klagenfurt to Colorado
What is the cheapest month to book a flight from Klagenfurt to Colorado?
Currently, August is the cheapest month in which you can book a flight from Klagenfurt to Colorado (average of $799). Flying from Klagenfurt to Colorado in November is currently the most expensive (average of $2,342). 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.