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KLU to BUF: distance & flight time
Klagenfurt (Klagenfurt Airport) → Buffalo (Buffalo Niagara International Airport)
4,289 mi
6,902 km · 3,727 nm
8h 53m
estimated nonstop flight time
-6h
time difference · heading northwest
See live KLU→BUF fares Phone-only fares on this route — call free
Flight time details
4,289 miles nonstop takes roughly 8h 53m 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
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is KLU from BUF?
The flight distance from Klagenfurt (KLU) to Buffalo (BUF) is 4,289 miles (6,902 km, 3,727 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KLU to BUF?
A nonstop flight takes about 8h 53m 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 Buffalo?
Buffalo is 6 hours behind Klagenfurt.
What is the cheapest way to fly from KLU to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KLU–BUF that never appear on search engines, with no booking fees.