Freshware via Amazon offers its Freshware 2-in-1 Onion, Vegetable, Fruit, and Cheese Chopper, model no. KT-402, for $12.99 with free shipping. That's $2 off list and the lowest total price we could find. This dishwasher-safe chopper purports to reduce onion vapors to minimize tears, holds up to four cups, and includes two interchangeable stainless steel blades, a storage container, and a cleaning tool.
Also available is the Freshware 4-in-1 Onion Chopper, Vegetable Slicer, Fruit and Cheese Cutter Container, model no. KT-405, for $13.99 with free shipping. That's the lowest total price we could find by $4. Compared to the model above, it includes an additional slicing blade and lid for the storage container.