Go to the website really
Call Alaska Airlines !
Like others says, it depends where you are going. Buy tickets 21 days prior and avoid traveling on weekends for better price. Even after you buy tickets keep an eye on price drop, they will match it. Good luck. Happy Holidays.
A Little under from the other place
$$$prices are depending where and when you are planning the trip. Save some $$ when you get the tickets with 2 months before the trip
Priceline has a search engine that gets you that information
And depends were you seating
Depends on where and when the trip is and other factors
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