Can I change my Spirit flight for no cost?- 1-844-402-8105
Changing Your Flight: The process to change your flight is straightforward and can be done online through the Spirit Airlines website, under the “My Trips” section. Alternatively, changes can be made via phone, WhatsApp, text, or social media. For assistance, you can contact Spirit Airlines at 1-844-402-8105 or 1-855-728-3555.
source: https://groups.google.com/g/comp.os.vms/c/jAuPYHOKBe4