When flying from Kota Kinabalu to Maui, 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 Maui from Kota Kinabalu, you will be flying from Kota Kinabalu, which is the city’s only airport. Kota Kinabalu (BKI) is located 5.8 km from the centre of Kota Kinabalu.