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ABE to KLU: distance & flight time
Allentown (Lehigh Valley International Airport) → Klagenfurt (Klagenfurt Airport)
4,256 mi
6,849 km · 3,698 nm
8h 49m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ABE→KLU fares Phone-only fares on this route — call free
Flight time details
4,256 miles nonstop takes roughly 8h 49m 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
- ABE — Lehigh Valley International Airport · Allentown, 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 ABE
- PHL · Philadelphia International Airport55 mi away
- UKT · Quakertown Airport15 mi away
- EWR · Newark Liberty International Airport67 mi away
- DYL · Doylestown Airport28 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 ABE from KLU?
The flight distance from Allentown (ABE) to Klagenfurt (KLU) is 4,256 miles (6,849 km, 3,698 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ABE to KLU?
A nonstop flight takes about 8h 49m 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 Allentown and Klagenfurt?
Klagenfurt is 6 hours ahead of Allentown.
What is the cheapest way to fly from ABE to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ABE–KLU that never appear on search engines, with no booking fees.