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 October 27, 2013, through November 18, 2013. Simply enter Discount Code EC2639 when you book at alaskaair.com. Hurry, your exclusive Insider Extra Discount offer ends October 21, 2013. Use this promotion code for great discout with Alaska Airlines. Discount offer ends 21 October 2013. Travel with promotional tickets must occur between 27 October 2013 and 18 November 2013.