Virgin America offers select 1-way fares with prices starting at $72.10. That's the lowest rate we could find for select routes by $10. This price is valid on flights from San Francisco, CA, (SFO) with arrival in Portland, OR, (PDX) departing on September 24; prices vary depending on the travel cities and dates chosen. Book this travel deal today for travel September 11, 2014 through February 11, 2015. Click here to see more routes.