Folding picnic benches are available from online retailers such as Amazon and from brick-and-mortar stores such as The Home Depot and Wal-Mart. The prices of folding picnic tables vary according to the design, materials, make and model. In The Home Depot, for example, the prices of folding picnic tables can range between $85 for a portable picnic table to over $300 for a commercial-grade table, as of August 2015.
While the folding picnic table offerings on Amazon, Wal-Mart and The Home Depot come in a variety of designs, most offer a basic design that folds up neatly into a suitcase. The price of this popular design ranges from $100 to $130 as of 2015. Other popular retailers that may carry picnic benches include Sears, Lowe's, Costco and Sam's Club.