Depends on the quality, between $200 to $1000 USD which includes the pump kit. You do the math after shipping and taxes, but also determine if the quality is worth the local purchase.
take a saturday and drive around the usual suspects: Peakes, Bhagwansinghs, plant shops etc.....a pump is a few hunnit bucks by water source. They will sell you the tubing as well Heck you can get creative and buy a pot, and wrap it in rope using hot glue, and it will look better than a plain grey pot so many options if you do it yourself, and you'll come out so much cheaper
In addition to the places mentioned above Home Store in Barataria has some nice pots of various sizes that you can use in a tier structure, Home Express around the corner has fountains as well, or you can also use the Bola pots at rotoplastic and get some heads for your pump and do a water bell or fountain feature and just add potted plants and lighting around it. This gives you the flexibility to change the look each season