Frontier Airlines plans to begin a nonstop service between Lambert-St. Louis International Airport and Washington Dulles International Airport in Washington, D.C., starting Sept. 8. The flights will operate on Tuesdays, Thursdays and Saturdays. The route is one of 14 destinations Frontier is adding to Washington Dulles.
The airline is offering an introductory fare of $15 each way to the new destinations and other introductory fares this week.
United Airlines offers flights from St. Louis to Washington Dulles, and American Airlines and Southwest offer flights from St. Louis to Washington National Airport.