If you're on a thrifty mission, you'll appreciate this D&Y Bandana. It's a popular choice and a great investment. Another wonderful option is this BCBGeneration Bandana. While the price is competitive, be sure that this piece will become a great addition to your wardrobe. You might also want to consider this Bandana. 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, consider buying this Marc by Marc Jacobs Bandana. While the price is very reasonable, this piece is an easy wardrobe update.