Online Method
- Visit Spirit Airlines' official website.
- Proceed as if you are booking a flight: select your arrival and departure destinations and dates, then search for flights.
- Choose your preferred flight from the list provided.
- Enter the passenger details.
- At the payment step, instead of making a payment, select the 'hold' option from the drop-down menu.
- You will receive an email confirming the hold on your flight tickets.
Phone Call Method
- Call Spirit Airlines at 1-855-SAVE-555 (855-728-3555) or 1-855-2OO-067O OTA.
- Follow the instructions given by the automated voice system or speak to a representative to request a hold on your flight tickets.
- You will receive a confirmation notification of your flight hold.
Important Points
- The hold on Spirit Airlines tickets is valid for only 24 hours.
- Any change in the flight price during the hold period will not affect your ticket price.
- If the tickets are not purchased within 24 hours, the hold will be automatically canceled, and you will need to restart the booking process
Source: https://www.linkedin.com/pulse/how-do-i-get-hold-spirit-airlines-alex-valerio-j8w0f/