Nomadik Flash Sale: Get 15% Off Sitewide! Posted by Hello Subscription on July 9, 2018. Subscription Box Coupons & Deals / Nomadik Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification Nomadik box is having a flash sale – get 15% off sitewide – all subscription lengths! Use the coupon code SUMMER18 to get the deal. Valid until 7/13 or while supplies last. Are you getting a box from Nomadik?