Currently there are no direct flights from Ibiza to Kuwait.

Flights from Ibiza to Kuwait with one stopover.

Flights via London Heathrow (LHR)
From Ibiza (IBZ) with Iberia Airlines Transfer at London Heathrow (LHR) Then on to Kuwait (KWI) with Iberia Airlines
Flights via Amsterdam (AMS)
From Ibiza (IBZ) with KLM Airlines Transfer at Amsterdam (AMS) Then on to Kuwait (KWI) with KLM Airlines