There are 7 SodaStream coupons that include promo codes and free shipping deals for May 2017 for you to choose from. Our top coupon for today is a 5% Off coupon code. Make your own soda! With Soda Stream, you decide what kind of beverage you want, and the handy machine makes it for you. Choose from lots of tasty soda flavors, and enjoy the ease and fun of making soft drinks at home! Save on this gadget with these great discounts.