If you'd rather not spend much, this Madewell Bandana will fit the bill. It's a foolproof choice, while not very expensive. Another strong contender for your wardrobe is this Vanessa Mooney Bandana. While the price of this piece is competitive, it will surely attract a lot of attention.
If you can afford to spend a little more, take a look at this kate spade new york Bandana. While the price is very reasonable, this item is an easy wardrobe update. Also take a look at this Bandana. It's an attractive option both price and quality-wise. Check out this J.Crew Bandana too! Great value for your money.