Tambolaka Airport is the main airport for west Sumba. Located in Waitabula (sometimes written Weetabula) it has just been renovated.
Daily flights from/to Denpasar-Bali and Kupang are operated by Garuda Indonesia and Lion Air (operated by Wings Air).
TransNusa has a 3 times a week flight from/to Kupang and Denpasar-Bali on Tuesdays, Thursdays and Saturdays and a flight to/from Maumere (Flores).