Route guide

Klagenfurt am Woerthersee to Vienna (KLU-VIE): Nonstop Upgrade & Award Space

Austrian Airlines flies the KLU to VIE nonstop about 5 times a week. That's enough service to give you a real choice of departures, though premium seats don't sit unclaimed for long. 2LNR watches every KLU to VIE departure for confirmed upgrade and award space and can alert you when a date you're tracking opens up.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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5
Nonstop flights a week
146 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every KLU to VIE departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Klagenfurt am Woerthersee to Vienna to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each KLU to VIE departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See KLU to VIE on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Klagenfurt am Woerthersee to Vienna nonstop

Carriers operating KLU to VIE nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Austrian Airlines
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Frequently asked questions about KLU to VIE

How far is Vienna from Klagenfurt am Woerthersee?
KLU to VIE covers about 146 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from KLU to VIE?
Austrian Airlines is currently the only airline flying KLU to VIE nonstop. 2LNR tracks confirmed upgrade and award space on every Austrian Airlines departure.
How many flights a week are there from KLU to VIE?
About 5 nonstop flights a week run between Klagenfurt am Woerthersee and Vienna in the current schedule, operated by Austrian Airlines. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on KLU to VIE?
Open the KLU to VIE calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Klagenfurt am Woerthersee to Vienna route, and 2LNR will notify you when space opens. It's free to start.

Never miss KLU to VIE upgrade or award space

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