How Much does a Santorini Proposal Cost? That’s a question that will change depending on your requirements. A Santorini Proposal can cost from 300 euros up to 10,000 euros. Usually, The private dinner proposal package is the first choice of our couples, Below We discuss all about it! In Addition, The Private Yacht Engagement Package is the second most popular proposal package and most of the time much more affordable than the private dinner!