Update: this popular deal may have sold out. See more deals >
Spirit is offering a simple $10 discount on any round-trip fare booked before midnight tonight. To redeem the offer, just book your tickets at the airline’s website and enter the promo code 10OFF. These are the rules:
– Round-trip purchase required.
– You can fly May 12 through May 20 and May 28 through June 18.
– No Friday or Sunday flights.
– Certain routes are excluded — details here.
– The discount is taken from your base fare, before taxes and fees are applied.
– The code expires 11:59pm ET tonight.