Good Fares on Alaska Airlines – e.g. Oakland to Maui $129 OW
Alaska Airlines has some good fares on its Cyber Monday Sale (which actually runs through December 8).
A few examples of one-way fares:
Boston to San Diego for $99
Philadelphia to Seattle for $99
Oakland to Maui for $129
You can search from your preferred city here.
Travel is valid Tuesdays, Wednesdays, and Saturdays from January 6 to March 4, 2015.