The new sale from Alaska Airlines/Horizon Air is good for travel Mondays through Thursdays, as well as Saturdays, from September 14 to February 10, or daily travel to/from Alaska.
Also included: daily travel to/from Mexico and Hawaii from September 14 and December 16.
Tickets must be purchased by September 10.
Beware of blackoutdates: For the Continental U.S., November 20-21, 25, 28-30, December 18-21, 23, 26-28, and January 2-4. For travel to/from Canada, December 18-21, 23, 26-28, and January 2-4. For travel to/from Hawaii & Mexico, November 20-22, and December 16.