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RDU to KLU: distance & flight time
Raleigh-durham (Raleigh Durham International Airport) → Klagenfurt (Klagenfurt Airport)
4,608 mi
7,415 km · 4,004 nm
9h 30m
estimated nonstop flight time
+6h
time difference · heading northeast
See live RDU→KLU fares Phone-only fares on this route — call free
Flight time details
4,608 miles nonstop takes roughly 9h 30m 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
- RDU — Raleigh Durham International Airport · Raleigh-durham, 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 RDU
- POB · Pope Field50 mi away
- RWI · Rocky Mount Wilson Regional Airport50 mi away
- FBG · Simmons Army Air Field52 mi away
- SOP · Moore County Airport56 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 RDU from KLU?
The flight distance from Raleigh-durham (RDU) to Klagenfurt (KLU) is 4,608 miles (7,415 km, 4,004 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDU to KLU?
A nonstop flight takes about 9h 30m 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 Raleigh-durham and Klagenfurt?
Klagenfurt is 6 hours ahead of Raleigh-durham.
What is the cheapest way to fly from RDU to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDU–KLU that never appear on search engines, with no booking fees.