If you are on a tight budget, your best bet is this Echo Scarf. It's a fantastic piece, while not very expensive. Another wonderful option is this The North Face Scarf. While the price is competitive, be sure that this product will become a worthy addition to your wardrobe. You may also want to look at this Trouve Scarf. This item is not expensive either, but it will make a difference in your wardrobe.
If you're looking for something in between pricewise, you're in luck with this Rag & Bone Scarf in stock and waiting for you. You are guaranteed to love this product. Also look at this Tory Burch Scarf. It's an attractive option both price and quality-wise. And do check out this Eileen Fisher Scarf! It's a very popular item and good value for money.