Amazon offers the ERGObaby Stowaway Travel Carrier in Olive, model no. BC346001NL, for $69 with free shipping. That's the lowest total price we could find by $21. It features front, back, and hip carry positions.
Also available is the ERGObaby Original Baby Carrier in Camel, model no. BC5SNL, for $69 with free shipping. That's tied with our mention from three weeks ago and another low, by $16. It features a supportive hood and padded shoulder straps. Note that it won't ship for about two weeks.