If you're in a thrifty mode, this BDG Button Skirt will fit the bill. It's a popular choice, while not very pricey. Another great option is this Maxi Skirt. While the price is not too high, be sure that this product will become a great addition to your wardrobe. You might also want to consider this BDG Mini Skirt. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking for an item in the middle of the price range, look no further than this Just Female Midi Skirt. This item doesn't cost too much, but definitely deserves a place in your wardrobe.