Southwest Airlines via DealBase discounts Southwest Airlines 1-Way Fares Nationwide with prices starting at $38.95. (On the DealBase landing page, click on "Southwest Airlines" in the top line to see this sale.) That's $10 under our mention from two days ago and the lowest price we could find for select fares by $37. This price is valid for flights departing on May 17 from Reno, NV, (RNO) with arrival in Oakland, CA, (OAK). This sale includes 199 routes, including Las Vegas, NV, (LAS); Los Angeles, CA, (LAX); Newark, NJ, (EWR); Atlanta, GA, (ATL); and more. Note that blackout dates and other conditions may apply. Book this travel deal by March 19 for travel from April 8 through September 27.

All prices, dates, and booking details were valid at the time of publication.