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FLD to KLU: distance & flight time
Fond du Lac (Fond du Lac County Airport) → Klagenfurt (Klagenfurt Airport)
4,620 mi
7,435 km · 4,015 nm
9h 32m
estimated nonstop flight time
+7h
time difference · heading northeast
See live FLD→KLU fares Phone-only fares on this route — call free
Flight time details
4,620 miles nonstop takes roughly 9h 32m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- FLD — Fond du Lac County Airport · Fond du Lac, 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 FLD
- OSH · Wittman Regional Airport15 mi away
- ETB · West Bend Municipal Airport30 mi away
- SBM · Sheboygan County Memorial Airport32 mi away
- ATW · Appleton International Airport34 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 FLD from KLU?
The flight distance from Fond du Lac (FLD) to Klagenfurt (KLU) is 4,620 miles (7,435 km, 4,015 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLD to KLU?
A nonstop flight takes about 9h 32m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FLD to KLU?
Nonstop service on FLD–KLU depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 32m nonstop estimate.
What is the time difference between Fond du Lac and Klagenfurt?
Klagenfurt is 7 hours ahead of Fond du Lac.
What is the cheapest way to fly from FLD to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLD–KLU that never appear on search engines, with no booking fees.
Why are some FLD to KLU fares phone-only?
Consolidator contracts let us sell certain FLD–KLU tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.