Alaska Airlines Mileage Plan members who join Rocketmiles and make their first hotel booking through the site will get 3,000 bonus miles, plus the miles you would normally earn for the stay through Sept. 30, 2014. The hotel stay must be booked through http://www.rocketmiles.com/alaskaair-3k-bonus and checkout must occur by Feb. 28, 2015.

This is limited to first-time customers of Rocketmiles and the bonus is offered once during the promotional period for new bookings only.