Update: this popular deal may have sold out. See more deals >
Frontier will let you save 15% on the price of any fare booked before midnight Thursday. Just book your flights at the airline’s website and enter the promo code REFUND. These are the rules:
– You can fly now through June 12.
– The code is good for both one-way and round-trip bookings.
– No Friday or Sunday flights.
– The code is good for both regular and sale fares.
– The discount is taken from your base fare only; taxes and fees added separately.
– All normal fare rules apply.
– The code expires 11:59pm ET April 17.
