They definitely have some good prices. If you can travel with just a carry on you are best off. They used to fly into Reno, but quit that flight. I have family there and used them before.
There is a rumor out (might be for sure now) that the Bellingham Airport is going to expand the runway in order to do longer flights. The issue right now is the length of the runway, they can't load enough fuel to go much further than SoCal or Las Vegas. With the longer runway they will be offering flights to Hawaii, possibly through Alaska and Allegient both. Great deal for you guys on the north side of the line.