As of 2015, one location from which Doritos can be purchased online is Wal-Mart. The Wal-Mart website offers a variety of food products that can be purchased online.
Customers who shop at the Wal-Mart site have the option to purchase items online and pick them up at a local store. Local stores can be found using the store finder on the Wal-Mart homepage.
Another location where Doritos can be purchased online is Amazon. Available food merchandise can be found using the search feature or by browsing its department. Shipping charges may apply.
A third location where Doritos can be purchased online is Target. The weekly ad and sales can also be found on the site.