Southwest Airlines offers 1-way fares nationwide with prices starting at $58.60. (Click on "Southwest Airlines" in the top line to see this sale.) That's $6 under our Black Friday week mention and the lowest price we could find for select routes by $147. This price is valid on flights departing from Ontario, CA, (ONT) with arrival in Sacramento CA, (SMF) on January 5, 2015. Book this travel deal by December 25 for travel from December 30, 2014 through June 4, 2015. Click here to see more routes.