How to upgrade your Spirit Airlines? To know How to upgrade your Spirit Airlines ticket even after done with the bookings . we all understand the mood swings at any time or either you need to experience more in terms of travelling, therefore to how to upgrade the flight ticket, dial the Spirit airlines customer service number given +1-888-915-2449 (OTA) or +1-800-772-7117. #Spiritairlinesseatupgrade For more info: https://groups.google.com/g/ibm.software.network.directory-integrator/c/v70GqNFeVgk