Take 14% off your next Frontier flight with the current promo deal for late summer/fall travel.
To apply discount, enter promo code PLUTO when booking.
Fares are valid for domestic travel Mondays through Saturdays, from August 17 through December 16.
Avoid blackout dates on September 4, 7, November 20, 21, 23-25, 28, 30.
Tickets must be booked by 11:59pm ET, July 15.