Alaska Airlines, a subsidiary of Alaska Air Group, Inc. (ALK) , is gearing up to connect more passengers between London and the Pacific Northwest. To this end, Alaska Airlines is extending its partnership with British Airways (a founding member of the oneworld alliance) and making tickets available for British Airways flights to London directly at alaskaair.com.Travelers can purchase British Airways flights at alaskaair.com between London Heathrow and Alaska's gateway airports in Seattle, Portland, San Fran ...