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LHR to KLU: distance & flight time
London (London Heathrow Airport) → Klagenfurt (Klagenfurt Airport)
747 mi
1,202 km · 649 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading east
See live LHR→KLU fares Phone-only fares on this route — call free
Flight time details
747 miles nonstop takes roughly 2h 5m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- 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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 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 LHR from KLU?
The flight distance from London (LHR) to Klagenfurt (KLU) is 747 miles (1,202 km, 649 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to KLU?
A nonstop flight takes about 2h 5m 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 London and Klagenfurt?
Klagenfurt is 1 hour ahead of London.
What is the cheapest way to fly from LHR to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–KLU that never appear on search engines, with no booking fees.