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AOO to KLU: distance & flight time
Altoona (Altoona Blair County Airport) → Klagenfurt (Klagenfurt Airport)
4,389 mi
7,063 km · 3,814 nm
9h 4m
estimated nonstop flight time
+6h
time difference · heading northeast
See live AOO→KLU fares Phone-only fares on this route — call free
Flight time details
4,389 miles nonstop takes roughly 9h 4m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- AOO — Altoona Blair County Airport · Altoona, United States
- KLU — Klagenfurt Airport · Klagenfurt, Austria
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 AOO
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
Frequently asked questions
How far is AOO from KLU?
The flight distance from Altoona (AOO) to Klagenfurt (KLU) is 4,389 miles (7,063 km, 3,814 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AOO to KLU?
A nonstop flight takes about 9h 4m 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 Altoona and Klagenfurt?
Klagenfurt is 6 hours ahead of Altoona.
What is the cheapest way to fly from AOO to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AOO–KLU that never appear on search engines, with no booking fees.