Home Slickdeals Southwest Airlines Earn Double Rapid Rewards Points between April 6 and June... Slickdeals Southwest Airlines Earn Double Rapid Rewards Points between April 6 and June 13, 2018. By ARCOM - 10 April 2018 193 0 SHARE Facebook Twitter Go to the deal page: Southwest Airlines Earn Double Rapid Rewards Points between April 6 and June 13, 2018.