Southwest Airlines via DealBase discounts select Southwest Airlines 1-Way Fares in the U.S. and Latin America with prices starting at $48.98. (On the DealBase landing page, click on "Southwest Airlines" in the top line to see this sale.) That's the lowest price we could find for select routes by at least $113. This price is valid for flights departing on November 13 from Nashville, TN, (BNA) with arrival in Milwaukee, WI, (MKE). This sale includes routes to St. Louis, MO, (STL); Cancun, Mexico, (CUN); Punta Cana, Dominican Republic, (PUJ); and more. Note that blackout dates and other conditions may apply. Book this travel deal by May 22 for travel from November 5 through January 7, 2018.

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