Use the "Departure City" dropdown in the center of the page, and select your nearest city.
Between Newark and Austin for $119 each-way
Between Chicago and Newark for $79 each-way
Between San Francisco and Orange County, Los Angeles, or San Diego for $49 each-way
Between Baltimore and Puerto Rico for $129 each-way
Southwest is one of the only US airlines to provide no baggage fees.
Other airlines charge anywhere from $15 to $85 each-way for checked luggage and carry-on bags.
Also, Southwest's reward program earns free flights quicker than most other frequent flier programs.