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KLU to DEN: distance & flight time
Klagenfurt (Klagenfurt Airport) → Denver (Denver International Airport)
5,379 mi
8,657 km · 4,674 nm
11h 1m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KLU→DEN fares Phone-only fares on this route — call free
Flight time details
5,379 miles nonstop takes roughly 11h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- KLU — Klagenfurt Airport · Klagenfurt, Austria
- DEN — Denver International Airport · Denver, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near KLU
- LJU · Ljubljana Jože Pučnik Airport29 mi away
- GRZ · Graz Airport57 mi away
- MBX · Maribor Airport65 mi away
- TRS · Trieste–Friuli Venezia Giulia Airport70 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is KLU from DEN?
The flight distance from Klagenfurt (KLU) to Denver (DEN) is 5,379 miles (8,657 km, 4,674 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLU to DEN?
A nonstop flight takes about 11h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Klagenfurt and Denver?
Denver is 8 hours behind Klagenfurt.
What is the cheapest way to fly from KLU to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLU–DEN that never appear on search engines, with no booking fees.