Terms & ConditionsOffer is an extra £20 per booking discount on top of Butlins current online prices valid for new online 2014 family bookings only when made by 1st July 2014. Less than 4 of you? The £’s off will be halved. £’s off do not apply to 2 night breaks or rooms for 2. All offers are subject to promotional availability, may be withdrawn at any time and cannot be combined with any other offer or internet code except the 5% Premier Club loyalty discount.