Update: this popular deal may have sold out. See more deals >
Spirit is today offering a nice, simple $10 discount coupon, valid for use at the airline’s website anytime before midnight tonight. Just enter the promo code 10OFF when you book your flights. These are the rules:
– Round-trip purchase required.
– You can fly February 4 through March 19.
– The discount is taken from your base fare, before taxes and fees are applied.
– A few routes are excluded from this offer — details here.
– The code expires 11:59pm ET tonight.