United Airlines offers roundtrip flights to Florida from select cities in the U.S. with prices starting at $148.20, as provided by ShermansTravel. (Click on "United.com" in the main paragraph to see this sale; all taxes are included.) That's $36 under our July mention and the best rate we've seen for fares to Florida on United. It's also the lowest price we could find for select routes by $14. This price is valid on flights departing from Washington, D.C. (IAD) to Tampa, FL, (TPA) on September 30 with return on October 6; prices vary depending on the departure cities and dates chosen. Book this travel deal by September 3 for departures from September 1 through October 31. Click here to see more routes.