Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Bohol to Taipei City as you normally would.
TAG and TPE are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. TAG to TPE refers to a flight route from Panglao Bohol–Panglao Intl Airport to Taipei City Taiwan Taoyuan Intl Airport. Taipei City Sung Shan Airport (TSA), Taichung City ChingChuanKang Airport (RMQ), Hualien City Airport (HUN) are some additional IATA codes for airports related to your trip.