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GAI to KLU: distance & flight time
Gaithersburg (Montgomery County Airpark) → Klagenfurt (Klagenfurt Airport)
4,392 mi
7,068 km · 3,816 nm
9h 5m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→KLU fares Phone-only fares on this route — call free
Flight time details
4,392 miles nonstop takes roughly 9h 5m 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
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
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 GAI from KLU?
The flight distance from Gaithersburg (GAI) to Klagenfurt (KLU) is 4,392 miles (7,068 km, 3,816 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to KLU?
A nonstop flight takes about 9h 5m 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 Gaithersburg and Klagenfurt?
Klagenfurt is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to KLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–KLU that never appear on search engines, with no booking fees.