Global Exchange offers an excellent list of Fair Trade retailers from whom you can order online.
TransFair USA has a directory of retailers offering Fair Trade Certified products. Not all offer online products, but you can find retailers in your area.
The Fair Trade Federation has a directory of its member organizations that are committed to Fair Trade values and practices. Not all offer online products, but you can find retailers in your area.
Co-Op America's National Green Pages is a directory listing nearly 3,000 businesses that have made firm commitments to sustainable, socially just principles, including the support of sweatshop-free labor, organic farms, fair trade, and cruelty-free products.
Thanks for buying Fair Trade!