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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Klagenfurt (KLU) to Trieste (TRS), with fares starting from $172.

What is the lowest current fare from KLU to TRS?

The lowest currently-listed fare from Klagenfurt (KLU) to Trieste (TRS) is $172 on 2026-05-31.

Is there a direct flight from Klagenfurt to Trieste?

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

Cheap flights from Klagenfurt to Trieste

Cheapest current fares: $172 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 Klagenfurt (KLU) to Trieste (TRS). Refreshed daily.

Klagenfurt (KLU) → Trieste (TRS)

May 2026 $172
June 2026 $348

Frequently asked questions

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

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Klagenfurt (KLU) to Trieste (TRS), with fares starting from $172.
What is the lowest current fare from KLU to TRS?

The lowest currently-listed fare from Klagenfurt (KLU) to Trieste (TRS) is $172 on 2026-05-31.
Is there a direct flight from Klagenfurt to Trieste?

There is currently no non-stop service from KLU to TRS. 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.