If we pay attention to the number of people getting the service, then Southwest is the largest airline that operates in the US. It has been approved based on the studies that when it comes to fares, this airline charges the least on the routes it is serving. Another amazing benefit of booking your flight through southwest airlines is they do not charge anything if you change the booking. So if you are planning to visit Orlando, the cheapest option will be that you take southwest flights to Orlando.
Below I will be mentioning the entire process through which you can easily book southwest flights to Orlando.
For any other query or information, you can visit their website and can also contact their customer support.