That's the best price we could find for select routes by at least $20. Buy Now at DealBase Tips On the DealBase landing page, click "Alaska Airlines" in the top line to see this sale. We found this price on flights departing from Everett, WA (PAE) with arrival in Portland, OR (PDX) on February 4. Book this travel deal by January 9 for travel from January 28 through March 11. All prices, dates, and booking details were valid at the time of publication.