Enjoy 35% off by using our up-to-date Kona Grill voucher codes and deals. More verified Kona Grill discount codes & vouchers are for you to make use of. Shop and save now!.Total 24 active Kona Grill Promo Codes & Deals are listed and the best one is updated on April 20, 2024. Make use of 22 coupons and 2 deals which save up to 35% off, when you're shopping at Kona Grill. VoucherArea promises you'll get the best price on products you want to buy.