Welcome to this week's Insider Extra Discount. You are eligible to save an additional 5% on the below listed Alaska Airlines flights when traveling from June 11, 2013, through July 1, 2013. Simply enter Discount Code EC2639 when you book at alaskaair.com. Hurry, your exclusive Insider Extra Discount offer ends June 3, 2013. Use this new promotional code to book online & save special fares online with Alaska Airlines. Discount offer ends 03 June 2013. Travel with cheap tickets must take place between 11 June 2013 and 01 July 2013.