Frontier Airlines via DealBase offers nationwide 1-way flights, with prices starting from $28.30. That's the lowest price we could find for select routes by at least $5. Book this travel deal by May 31 for travel though June 19. Buy Now Tips On the DealBase landing page, click "Frontier Airlines" to see this sale; we found lower prices within. We found this price on flights departing from Austin, TX (AUS) with arrival in New Orleans, LA (MSY) on June 11. All prices, dates, and booking details were valid at the time of publication.