Irish carrier Ryanair is offering cheap summer flights between Belgium and Spain. Fly Brussels to Ibiza in August for 49.98 EUR round trip.
Brussels (Zaventem) – Ibiza – Brussels (Zaventem)
How to book:
One cabin bag (55 × 40 × 20 cm, up to 10 kg) plus one small bag 35 × 20 × 20 cm.
Book cheap car rentals at Rentalcars.com