Washington DC (DCA) to Austin (AUS): 1,313 miles (2,114 km) great-circle, about 3h 10m nonstop by our estimate. Cheapest fare observed: $268 round-trip on Frontier, with 1 stop, departing June 5, 2026.
$268 round-trip, Frontier F9689, departing 2026-06-05 at 18:00, returning 2026-06-07. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 41 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $268, it ranked 8th of the 30 round-trip fares we recorded from DCA (median $998). That is 20.4 cents per great-circle mile (round-trip price over one-way distance), below the DCA median of 26.4 cents across 30 round-trip routes.
Routes from DCA of similar length: Dallas (1,190 mi) at $406 and Denver (1,472 mi) at $130.
Frontier had the cheapest fare on 6 of 30 DCA routes. It is the 23rd longest of the 30 routes we track from DCA.
Of 7 departure airports with a fare to Austin, Washington DC (DCA) ranked 5th at $268. Lowest: $190 from San Diego (SAN); highest: $1373 from Chennai (MAA); 3 nonstop. Cheapest-fare airlines (routes): Frontier (3), Allegiant Air (1), Copa (1), Emirates (1) and Spirit (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Chicago; flight time is our estimate.