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KLU to PHL: distance & flight time
Klagenfurt (Klagenfurt Airport) → Philadelphia (Philadelphia International Airport)
4,281 mi
6,890 km · 3,721 nm
8h 52m
estimated nonstop flight time
-6h
time difference · heading northwest
See live KLU→PHL fares Phone-only fares on this route — call free
Flight time details
4,281 miles nonstop takes roughly 8h 52m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- KLU — Klagenfurt Airport · Klagenfurt, Austria
- PHL — Philadelphia International Airport · Philadelphia, 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 PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 mi away
Frequently asked questions
How far is KLU from PHL?
The flight distance from Klagenfurt (KLU) to Philadelphia (PHL) is 4,281 miles (6,890 km, 3,721 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLU to PHL?
A nonstop flight takes about 8h 52m 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 Philadelphia?
Philadelphia is 6 hours behind Klagenfurt.
What is the cheapest way to fly from KLU to PHL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLU–PHL that never appear on search engines, with no booking fees.