Southwest Airlines offer another fare sale at $50. These are the one-way fares routes that airlines offer to their passengers. These routes are mentioned below- • Chicago - Miami for $50 • Los Angeles - Las Vegas for $50 • Baltimore - Chicago for $50 • Miami - Atlanta for $50 • Phoenix - San Diego for $50 • San Diego - San Francisco for $50 • Dallas - Chicago for $50 • Houston - New Orleans for $50