The portable travel footwear and method of the present invention overcomes the limitations of footwear of the prior art by providing improved portable travel footwear, that is durable, flexible, elastic, and lightweight. The portable travel footwear protects bare or socked feet from dirty, cold and/or wet floor environments during travel. The present invention can quickly and easily knock-down to fit within small spaces and is quickly and easily erected to fit securely over a foot of any size and/or shape. The portable travel footwear is lightweight so not to burden a traveler with additional weight, to already heavy luggage, for the traveler to carry.