where you can get 99% off the flight base fare.
Use promo code 99PCT.
For example, fly from Atlanta to Lima, Peru for a cheap $165 return (see image below).
Booking period: 29th Mar – 10th May
Promo ends tonight at 11:59PM
DEPART:
USA/Canada/Central America/Caribbean/South America
ARRIVE:
USA/Canada/Central America/Caribbean/South America
DATES:
Booking period from March to May 2016
STOPS:
AIRLINE:
Spirit Airlines
http://www.secretflying.com/2016/03/99-off-spirit-airlines-base-fares/