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RFD to KLU: distance & flight time
Rockford (Chicago Rockford International Airport) → Klagenfurt (Klagenfurt Airport)
4,717 mi
7,592 km · 4,099 nm
9h 43m
estimated nonstop flight time
+7h
time difference · heading northeast
See live RFD→KLU fares Phone-only fares on this route — call free
Flight time details
4,717 miles nonstop takes roughly 9h 43m 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
- RFD — Chicago Rockford International Airport · Rockford, 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 RFD
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 RFD from KLU?
The flight distance from Rockford (RFD) to Klagenfurt (KLU) is 4,717 miles (7,592 km, 4,099 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RFD to KLU?
A nonstop flight takes about 9h 43m 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 Rockford and Klagenfurt?
Klagenfurt is 7 hours ahead of Rockford.
What is the cheapest way to fly from RFD to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RFD–KLU that never appear on search engines, with no booking fees.