[Expired]Frontier Airlines Penny Fare Sales Back on Most Domestic Flights
- Airfarewatchdog offers Frontier Airlines Penny Fare Sales Back on Most Domestic Flights, As low as $15 one-way $29 round-trip.
- Travel Period: Now through November 13, 2019, with a 14-day advance purchase.
- Travel Days of the Week: Mondays, Tuesdays, Wednesdays, Thursdays, and Saturdays.
- Deal ends 9/11.