Allegiant Air Will Launch Nonstop Flights From Asheville Regional Airport To Washington, D.C.’S Dulles International Airport Starting June 20, 2025. One-Way Fares For The New Route Begin At $39. Allegiant’s Chief Commercial Officer Drew Wells Says The Expansion Is Part Of 44 New Nonstop Routes Aimed At Providing Affordable, Convenient Travel Options For Leisure Passengers. For Flight Details And Ticket Purchases, Visit Allegiant’s Website.