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HOU to KLU: distance & flight time
Houston (William P Hobby Airport) → Klagenfurt (Klagenfurt Airport)
5,585 mi
8,988 km · 4,853 nm
11h 25m
estimated nonstop flight time
+7h
time difference · heading northeast
See live HOU→KLU fares Phone-only fares on this route — call free
Flight time details
5,585 miles nonstop takes roughly 11h 25m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- HOU — William P Hobby Airport · Houston, 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 mi away
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 HOU from KLU?
The flight distance from Houston (HOU) to Klagenfurt (KLU) is 5,585 miles (8,988 km, 4,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HOU to KLU?
A nonstop flight takes about 11h 25m 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 Houston and Klagenfurt?
Klagenfurt is 7 hours ahead of Houston.
What is the cheapest way to fly from HOU to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HOU–KLU that never appear on search engines, with no booking fees.