Home Slickdeals Southwest Airlines 3-Days Only Airfare Sale for Winter Travel From $49 OW... Slickdeals Southwest Airlines 3-Days Only Airfare Sale for Winter Travel From $49 OW To Select Destination – Book by Nov 1 By ARCOM - 31 October 2018 168 0 SHARE Facebook Twitter Go to the deal page: Southwest Airlines 3-Days Only Airfare Sale for Winter Travel From $49 OW To Select Destination – Book by Nov 1