The devil is in the detail, according to an investigation by the Tonight programme, which reveals that small print in package holiday deals means firms can increase prices after you thought the deal was done. Jo Rhodes, travel expert with consumer group, Which? says: “The package holiday providers can ask for more money even after you've booked. Up to 8% of what you’ve paid. Anything over that and you have a right to cancel for a full refund.” According to the Association of British Travel