Cheapest return flights from Alicante to Klagenfurt in April from $512

AirHint found the following cheapest return flights from Alicante (ALC) to Klagenfurt (KLU) in April 2026 (see full year).

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.