Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Surabaya to Boracay as you normally would.
Related info for your journey
Useful info, stats and facts about Surabaya to Boracay flights.
Surabaya Juanda Airport is SUB and Boracay Godofredo P. Ramos Airport is MPH. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.