From: Voxant Newsroom on Wed, Jun 22 2011 9:00 PM

Southwest Airlines (NYSE:LUV) has launched a special fare sale to celebrate its 40th anniversary, offering one-way tickets for $40, $80, or $120 to select destinations, based on the length of travel. For travel up to 450 miles, fares are $40 one-way, for between 451 and 1,250 miles, fares are $8...