Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Paducah to South Padre Island as you normally would.
Paducah Barkley Regional (PAH) is the airport you will fly out of if you book a flight from Paducah to South Padre Island. You should not have trouble finding flights to South Padre Island from Barkley Regional; the airport handles an average of 0 outbound flights to South Padre Island per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Paducah airport to South Padre Island. It is only a 9.7 mi journey to Barkley Regional (PAH) from Paducah’s city center.