Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Palawan to Shenzhen as you normally would.
Shenzhen (SZX) is the airport you will fly into if you book a flight from Palawan to Shenzhen. It is only a 26.7 km journey from Shenzhen (SZX) to Shenzhen’s city center.
This is defined as Puerto Princesa Airport (PPS) and Shenzhen Airport (SZX). Codes like Shenzhen Airport are often used to just call airports uniquely. El Nido Airport (ENI), Busuanga Airport (USU), San Vicente Airport (SWL) are some additional IATA codes for airports related to your trip.