All major Airlines fly into Denpasar, Bali or Jakarta Java, then a domestic flight from Denpasar airport, it’s a 90 minute or (60 mins with the Jet planes) flight over breathtaking views, especially when you start to get close to Komodo and Flores.

Trans Nusa, Wings, Lion Air and Merpati airlines all have daily flights to Labuanbajo.

Luggage Weight Restriction is 15Kg per person, Overweight luggage is charged at around Rp. 14,000 per kilo.
5 Kg Hand luggage

Flights
Check out this site for booking domestic flights
http://flights.indonesiamatters.com/