Update: this popular deal may have sold out. See more deals >
Spirit is offering a $24 discount on your next round-trip flight purchase, but only if you use a MasterCard. To redeem the offer, all you have to do is book your flights at the airline’s website before midnight tonight, and enter the promo code MC24. These are the rules:
– You can fly September 4 through November 20 and again from December 4 through December 18.
– Round-trip purchase required.
– Discount is taken from your base fare only; taxes and fees are added separately.
– Certain routes are excluded from this offer — details on Spirit’s sale page.
– The code expires at 11:59pm local time tonight.