Tiles are probably going to hold up better with the pool and the kids walking through the house to the bathroom. If your house in on a slab, the tiles might be less expensive, but it's difficult to say for sure. It depends on a lot of factors.

You might get a flooring contractor to give you a proposal for tiles and wood floors. Make sure that they are giving you a good quality product for each and that they can give you a warranty for each......