What Is the Low Fare Calendar on Southwest Airlines? Flyers have various options to reserve air tickets with ease on Southwest Airlines, and the low fare calendar is one of them. This is a special offering for passengers that shows the airline's upcoming flight schedules with the airfares. This Southwest Airlines Low Fare Calendar helps passengers compare the cost of flight tickets and pick the more suitable one for the journey. One can access this at the time of booking. To know more about the low fare calendar of Southwest Airlines, visit its official website or read the blog post mentioned above by Airlines Group Travel. #southwestairlineslowfarecalendar