Flores to Surabaya: ride Flores, then by ferry to Surabaya and ride some more in Java, including Mt Bromo. 21 days Scorpio $210, Nmax $230 (ferry not included).
Larantuka to Alor Island guided tour: travel across southern Indonesian islands with mostly short ferry rides. Round trip - join, remain or leave at any point. Intended duration around 8 days, with longest stay on Alor Island. Departure around 30 December 2023. Scorpio, Vario and Nmax available.