Starbucks K-Cup BOGO Offer is back! March 12, 2014 By Nicole Kobilka Leave a Comment Starbucks K-Cup Packs 16 count boxes – Buy One, Get One Free! Must add 2 to cart to receive offer. Online only. Use code KCUPBOGO16. Valid 3/12 – 3/24. Disclosure: This post contains affiliate links. I post them because I truly love the product and support it. Thank you for your support.