This is the smaller airport on the St. Petersburg-Clearwater side of Tampa Bay on Hwy 19. It's much easier to get in and out of. Often the less expensive airlines offer flights. It's much closer to St. Pete than the big airport over in Tampa.
With Florida traffic what it is, that's an issue. If you use a 'bargain finder' such as Quikbook, likely this is an airport where you can get a cheaper ticket. Car rentals available.
Due to the general slow down in the economy, fewer flights are available, but you can still get your dates.