Alaska Airlines (Seattle/Tacoma) is stepping up to protect its top markets from the Seattle/Tacoma hub with a double miles offer through 2014. The company just issued this statement:

Alaska Airlines is making it easier for travelers flying to and from Seattle/Tacoma to fly more with double frequent flier miles* on eight of its most popular routes to and from the Emerald City.

Alaska Airlines Mileage Plan members who enroll in the program before their first qualifying flights will earn double miles on flights through December 31, 2014, between Seattle/Tacoma and the following cities:

Anchorage, Alaska
Las Vegas
Los Angeles
Oakland, California
San Diego
San Francisco
San Jose, California
Vancouver, British Columbia

The carrier will also offer double miles** from June 1 to Sept. 1, 2014, on flights between Seattle/Tacoma and Fairbanks, Alaska, and Seattle/Tacoma and Juneau, Alaska.

Alaska Airlines operates 279 peak-day departures nonstop to 73 destinations from Seattle. It also operates more daily flights (170 during peak season) to more destinations (28) within the state of Alaska and from Alaska to the Lower 48 states and Hawaii than any other major carrier.

* Double miles promotion terms: Registration is required prior to your first qualifying flight, and must be completed no later than Dec. 31, 2014. Double miles offer is valid only on qualifying paid nonstop flights between Seattle and Anchorage; Seattle and Los Angeles; Seattle and Oakland; Seattle and San Diego; Seattle and San Francisco; Seattle and San Jose; Seattle and Vancouver; and Seattle and Las Vegas from June 1, 2014, through Dec. 31, 2014. Flights must be marketed and operated by Alaska Airlines. Flight miles must be credited to your Alaska Airlines Mileage Plan™ account in order to earn double miles. All travel must be completed by Dec. 31, 2014. Not valid on free or award travel. Double miles do not count toward Mileage Plan elite status. Please allow four to six weeks for miles to be credited to your Mileage Plan account. All terms and conditions of the Mileage Plan program apply. Offer subject to change without notice.

** Double miles offer terms: Registration is required for non-Club 49 members prior to your first qualifying flight, and must be completed no later than Sept. 1, 2014. Club 49 members will automatically be registered for this promotion. Double miles offer is valid only on qualifying paid nonstop flights between Seattle and Fairbanks and between Seattle and Juneau from June 1, 2014, through Sept. 1, 2014. Flights must be marketed and operated by Alaska Airlines. Flight miles must be credited to your Alaska Airlines Mileage Plan account in order to earn double miles. All travel must be completed by Sept. 1, 2014. Not valid on free or award travel. Double miles do not count towards Mileage Plan Elite Status. Please allow four to six weeks for miles to be credited to your Mileage Plan account. All terms and conditions of the Mileage Plan program apply. Offer subject to change without notice.

Copyright Photo: Michael B. Ing/AirlinersGallery.com. Boeing 737-890 N552AS (msn 34595) departs from Anchorage International Airport (ANC).

Alaska Airlines: