Through Dec. 13, HawaiianMiles members can save 20 percent when redeeming an award between the continental U.S. and Hawaii. During the promotional period, a roundtrip coach ticket will cost only 28,000 HawaiianMiles. That’s a whopping 7,000 miles off the regular 35,000 mile award. To redeem, call (800) 367-5320 when calling from the U.S. Mainland, (808) 838-1555 from O’ahu or (800) 882-8811 from Neighbor islands.