Terminal A of Ronald Reagan National Airport (DCA) in Washington, D.C., is home to the Frontier Airlines DCA Terminal. Frontier, noted for its low-cost tickets, offers a simple travel experience with self-check-in kiosks and ticket counters. Fast food establishments like Einstein Bros. Bagels and The Great American Bagel Bakery are among Terminal A's essential amenities. Travelers should be aware of Frontier's luggage policy and budget for any potential additional fees, as both checked bags and carry-ons are subject to additional levies.