If you want to avoid the flight change fee, then here are the points:

1. The first thing is to make the required changes within 24 hrs of the flight booking. 
2. However, the passengers don’t need to pay any flight change fee if they book the flight within seven days before the flight departure.
3. Now, if you change the flight after a limited time, you need to pay about $90 while booking online.
4. On the other side, you need to pay about $100 while book the over the call or via an airport. 
5. However, for the award flights change fee is about $110.

How to make the flight change over the phone?

Now, if you wish to change Spirit flight via phone, then here are some points for you:

1. The passengers need to access the official website of Spirit Airlines.
2. On the site homepage, look for the contact option & select the official number.
3. You need to dial +1-860-590-8822 the respective number & listen to the automated voice. 
4. It’ll provide you with different options, but then you need to press the relevant number & speak to the Spirit Airlines live person. 
5. Here, the passengers can tell them about the whole thing related to the flight change.