Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Davao City to Rio de Janeiro as you normally would.
Located just 6.9 km from the city center, Davao City Francisco Bangoy is the airport most travelers will use when flying to Rio de Janeiro from Davao City. Booking flights from Francisco Bangoy (DVO) to Rio de Janeiro should be relatively easy as there are 0 daily outbound flights to Rio de Janeiro from 0 different airlines.