If you want to save more money then the flights are still cheap for those dates. Take advantage of both: retreats discount and cheap flights!
8 Day Aerial/Yoga Retreat in Montenegro: 29April-6May (Early May Bank Holiday)
8 Day Aerial/Yoga Retreat in Italy – Amalfi Coast: 20-27May
15/8 Day Sailing Yoga Retreat in Greece – Ionian Islands 7-21 Sept