When flying from Kuching to Rio de Janeiro, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
If you book a flight to Rio de Janeiro from Kuching, you will be flying from Kuching, which is the city’s only airport. Kuching (KCH) is located 7.4 km from the centre of Kuching. There are 0 flights from Kuching to Rio de Janeiro per day from 0 different airlines.