Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bohol to Borneo as you normally would.
Related info for your journey
Useful info, stats and facts about Bohol to Borneo flights.
Great question - TAG to BKI just means Panglao Bohol–Panglao Intl Airport to Kota Kinabalu Airport. Now you’ll know what these unique codes when you look for flights! Kuching Airport (KCH), Tawau Airport (TWU), Bandar Seri Begawan Brunei Intl Airport (BWN), Balikpapan Sepinnggan Airport (BPN), Miri Airport (MYY) are other airports near this flight route and their unique identifiers/IATA codes.