Starbucks VIA Refreshers and K-Cups are on sale at Walgreens through 9/13! Pick up the Refreshers for $5.99. Print and use a $1.50 coupon for a final price of $4.49! The Starbucks K-Cups are also on sale for $7.99. Use a printable $1.50 manufacturer coupon to get a pack for $6.49.