What is the cheapest month to fly from Barcelona to Klagenfurt?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Barcelona (BCN) to Klagenfurt (KLU), with fares starting from $176.

What is the lowest current fare from BCN to KLU?

The lowest currently-listed fare from Barcelona (BCN) to Klagenfurt (KLU) is $176 on 2026-09-21.

Is there a direct flight from Barcelona to Klagenfurt?

There is currently no non-stop service from BCN to KLU. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Barcelona to Klagenfurt

Cheapest current fares: $176 in September 2026 on connecting flights.

Last updated August 12, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Barcelona (BCN) to Klagenfurt (KLU). Refreshed daily.

Barcelona (BCN) → Klagenfurt (KLU)

September 2026 $176

Frequently asked questions

What is the cheapest month to fly from Barcelona to Klagenfurt?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Barcelona (BCN) to Klagenfurt (KLU), with fares starting from $176.
What is the lowest current fare from BCN to KLU?

The lowest currently-listed fare from Barcelona (BCN) to Klagenfurt (KLU) is $176 on 2026-09-21.
Is there a direct flight from Barcelona to Klagenfurt?

There is currently no non-stop service from BCN to KLU. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.