Southwest Airlines Offers $39 One-Way Fares Between Philadelphia/Pittsburgh and Philadelphia/Boston Area

For 72-Hours Only, Airline Celebrates the Addition of New Flights with a One-Way $39 Fare DALLAS, Aug 15, 2010 /PRNewswire via COMTEX/ — Summer continues to sizzle across the northeast and so do Southwest Airlines' (NYSE: LUV) low fares! Today, Customers can purchase one-way tickets for $39 between Philadelphia and Pittsburgh, and between Philadelphia and […]