Travel
Most of the wedding party will be sailing on the Norwegian VIVA for their 10-Day Greek Isles cruise, which you are more then welcome to join!
Otherwise, you can fly into Santorini Airport (JTR).
Cruise Itinerary: https://www.ncl.com/vacation-builder/planning/cruise-itinerary?itineraryCode=VIVA10RAVDBVKOTPIRJTRRHOKUSTHEIST&guests=2&gateway=NONE&destinations=4294949405,4294949354,4294949395&sailMonths=4294948233&ships=4294949396&numberOfGuests=4294949461&sortBy=featured&autoPopulate=f&from=resultpage
For all the days along the way