Find cheap double beds from discount retailers, department stores and furniture stores such as Amazon.com, Walmart.com and Ikea.com. Local furniture stores also have sales that make beds more affordable. Ikea, which specializes in affordable furniture, has a variety of double bed models on their website and in stores.
Walmart.com also sells beds in stores and online. The department store carries beds from national brands such as Simmons, Beautysleep and South Shore, as well as store-exclusive brands such as Mainstays and Your Zone. Amazon.com also offers a variety of beds and mattresses on the company's website. Some brands offered by the major retailer are Zinus Compack and Sleep Master.