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ORD to KLU: distance & flight time
Chicago (Chicago O'Hare International Airport) → Klagenfurt (Klagenfurt Airport)
4,683 mi
7,537 km · 4,070 nm
9h 39m
estimated nonstop flight time
+7h
time difference · heading northeast
See live ORD→KLU fares Phone-only fares on this route — call free
Flight time details
4,683 miles nonstop takes roughly 9h 39m 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
- ORD — Chicago O'Hare International Airport · Chicago, 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 ORD
- PWK · Chicago Executive Airport9 mi away
- MDW · Chicago Midway International Airport15 mi away
- CGX · Chicago Meigs Airport17 mi away
- DPA · Dupage Airport18 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 ORD from KLU?
The flight distance from Chicago (ORD) to Klagenfurt (KLU) is 4,683 miles (7,537 km, 4,070 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ORD to KLU?
A nonstop flight takes about 9h 39m 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 Chicago and Klagenfurt?
Klagenfurt is 7 hours ahead of Chicago.
What is the cheapest way to fly from ORD to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–KLU that never appear on search engines, with no booking fees.