Banana Republic: 30% off Your Order January 20, 2011 This post may contain a link to an affiliate. See my disclosure policy for more information. Today, 1/20 through 1/23, Banana Republic is offering up 30% off your order! Just use code BRWINTER30 at checkout to get the discount. This is valid online only. **Don’t forget to go through ShopAtHome to earn 15% cash back!