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KLU to IAH: distance & flight time
Klagenfurt (Klagenfurt Airport) → Houston (George Bush Intercontinental Houston Airport)
5,570 mi
8,964 km · 4,840 nm
11h 23m
estimated nonstop flight time
-7h
time difference · heading northwest
See live KLU→IAH fares Phone-only fares on this route — call free
Flight time details
5,570 miles nonstop takes roughly 11h 23m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- KLU — Klagenfurt Airport · Klagenfurt, Austria
- IAH — George Bush Intercontinental Houston Airport · Houston, 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 IAH
- DWH · David Wayne Hooks Memorial Airport14 mi away
- IWS · West Houston Airport23 mi away
- AAP · Andrau Airpark23 mi away
- HOU · William P Hobby Airport24 mi away
Frequently asked questions
How far is KLU from IAH?
The flight distance from Klagenfurt (KLU) to Houston (IAH) is 5,570 miles (8,964 km, 4,840 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLU to IAH?
A nonstop flight takes about 11h 23m 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 Houston?
Houston is 7 hours behind Klagenfurt.
What is the cheapest way to fly from KLU to IAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLU–IAH that never appear on search engines, with no booking fees.