Double Miles – Portland To Washington, D.C.
Think you’re seeing double? You’re right, double miles on Alaska Airlines flights between Portland (PDX) and Washington, D.C. (DCA) on Alaska Airlines daily nonstop service between Portland and Washington, D.C. No promo code needed but you must register for the promotion first. Register here. Double Mileage Plan miles are awarded on Alaska Airlines nonstop flights PDX-DCA traveling between August 28 – …