You can book the flight ticket using online and the customer support option. The steps for booking the flight through the official website are given below:

Open the official webpage of Spirit Airlines on your device.
Now, choose Puerto Rico in the final destination section and add other details.
Click on the Search Flights button to see the flight with their prices.
Choose a suitable flight and follow the on-screen instructions to make the booking.
Once you have provided all the required information, complete the payment to get an e-ticket on your mobile. If you want to book a cheap flight with the airline, you can follow the important tips in the next segment.

Tips to get cheap Spirit Flights to Puerto Rico

You should start by planning your trip at least two months in advance.
Avoid the Festive seasons to visit Puerto Rico and book the flight in the offseason.
Try to book your flight ticket from the official website of Spirit Airlines to get all the updates on flight deals.
Use promo codes or coupons while making the payment for your booking.
So, these are some important tips you can follow to book a cheap flight with Spirit Airlines. We assure you that Spirit flies to Puerto Rico, and you can book the flight with the simple procedure given above. You can also contact the customer service of Spirit Airlines to know more about tips and get help with the booking procedure.