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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from London (LHR) to Klagenfurt (KLU), with fares starting from $139.

What is the lowest current fare from LHR to KLU?

The lowest currently-listed fare from London (LHR) to Klagenfurt (KLU) is $139 on 2026-05-31.

Is there a direct flight from London to Klagenfurt?

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

Cheap flights from London to Klagenfurt

Cheapest current fares: $139 in May 2026 on connecting flights.

Last updated May 26, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from London (LHR) to Klagenfurt (KLU). Refreshed daily.

London (LHR) → Klagenfurt (KLU)

May 2026 $139
June 2026 $288

Frequently asked questions

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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from London (LHR) to Klagenfurt (KLU), with fares starting from $139.
What is the lowest current fare from LHR to KLU?

The lowest currently-listed fare from London (LHR) to Klagenfurt (KLU) is $139 on 2026-05-31.
Is there a direct flight from London to Klagenfurt?

There is currently no non-stop service from LHR 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.