How much is a ticket from Barcelona to Ibiza?

The cheapest price found today is $21.

When is it cheaper to fly?

Cheapest month is September — from $21.

Cheapest today — $21. Below is what booking services offer.

Departure	Airline	Stops	Price
Oct 28	Vueling	direct	$21	View
Oct 5	Vueling	direct	$21	View
Sep 28	Vueling	direct	$21	View
Oct 13	Vueling	direct	$21	View
Nov 12	Vueling	direct	$22	View
Nov 4	Vueling	direct	$22	View
Oct 12	Vueling	direct	$22	View

How much is a ticket from Barcelona to Ibiza?: The cheapest price found today is $21.
When is it cheaper to fly?: Cheapest month is September — from $21.

Links to booking services are affiliate links. The price stays the same for you.