Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Surabaya to Vanuatu as you normally would.
For a flight from Surabaya to Vanuatu, you will be flying from Juanda. Surabaya Juanda (SUB) is just 15.0 km from the centre of the city.
Surabaya Juanda Airport is SUB and Port Vila Bauerfield Airport is VLI. 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. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Luganville Santo-Pekoa Intl Airport (SON), Tanna Airport (TAH), Sara Airport (SSR), Tongoa Airport (TGH), Craig Cove Airport (CCV).