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HTL to KLU: distance & flight time
Houghton Lake (Roscommon County - Blodgett Memorial Airport) → Klagenfurt (Klagenfurt Airport)
4,452 mi
7,165 km · 3,869 nm
9h 12m
estimated nonstop flight time
+6h
time difference · heading northeast
See live HTL→KLU fares Phone-only fares on this route — call free
Flight time details
4,452 miles nonstop takes roughly 9h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- HTL — Roscommon County - Blodgett Memorial Airport · Houghton Lake, 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 HTL
- GDW · Gladwin Zettel Memorial Airport29 mi away
- GLR · Gaylord Regional Airport45 mi away
- TVC · Cherry Capital Airport52 mi away
- ECA · Iosco County Airport62 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 HTL from KLU?
The flight distance from Houghton Lake (HTL) to Klagenfurt (KLU) is 4,452 miles (7,165 km, 3,869 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HTL to KLU?
A nonstop flight takes about 9h 12m 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 Houghton Lake and Klagenfurt?
Klagenfurt is 6 hours ahead of Houghton Lake.
What is the cheapest way to fly from HTL to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HTL–KLU that never appear on search engines, with no booking fees.