If you're after a thrifty option, these AG Adriano Goldschmied Jeans will fit the bill. It's a fail-safe choice, while not very pricey. Another strong contender for your wardrobe is these Levi's Jeans. While the price of this piece is rather reasonable, it will surely attract a lot of attention. You may also want to look at these J Brand Jeans. This item is not expensive either, but it will make a difference in your wardrobe.
For something in the middle of the price range, opt for these Burberry Jeans. While the price is very reasonable, this item is an easy wardrobe update. It's also worth checking out these Closed Jeans. This item is extremely popular and, just as importantly, not too pricey. And do check out these Armani Collezioni Jeans! It's a very popular item and good value for money.