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 May 21, 2013, through June 8, 2013. Simply enter Discount Code EC2639 when you book at alaskaair.com. Hurry, your exclusive Insider Extra Discount offer ends May 13, 2013. Use current discount coupon code for cheap tickets on flights with Alaska Airlines. Tickets must be purchased by 13 May 2013. Travel with discount tickets valid between 21 May 2013 and 08 June 2013.