United States · 1,296 miles (2,085 km)

Austin (AUS) to Dulles (IAD) flights

One airline flies nonstop from Austin (AUS) to Dulles (IAD): United Airlines. The two airports are 1,296 miles (2,085 km) apart. United Airlines is in Star Alliance. There are also 38 ways to fly it with one stop, through Nashville, Knoxville and Asheville and more.

Airlines flying nonstop from AUS to IAD

  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book AUS to IAD with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

AUS to IAD with one stop

38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Nashville (BNA)Southwest Airlines and Delta Air Lines, then United Airlines
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Knoxville (TYS)Allegiant Air the whole way
    Allegiant Air logo
    Southwest Airlines logo
    American Airlines logo
    +1
    United Airlines logo
    Allegiant Air logo
  • Via Asheville (AVL)Allegiant Air the whole way
    Allegiant Air logo
    Allegiant Air logo
  • Via Houston (IAH)United Airlines the whole way
    United Airlines logo
    United Airlines logo
  • Via Cincinnati (CVG)Allegiant Air, Delta Air Lines and 1 more, then United Airlines
    Allegiant Air logo
    Delta Air Lines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
    Delta Air Lines logo
    Frontier Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Columbus (CMH)Southwest Airlines and Delta Air Lines, then United Airlines
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Raleigh/Durham (RDU)Delta Air Lines and Southwest Airlines, then United Airlines
    Delta Air Lines logo
    Southwest Airlines logo
    United Airlines logo
  • Via Pittsburgh (PIT)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Indianapolis (IND)Southwest Airlines and Delta Air Lines, then United Airlines
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via New Orleans (MSY)Southwest Airlines and Delta Air Lines, then United Airlines
    Southwest Airlines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Saint Louis (STL)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Fort Walton Beach (VPS)Southwest Airlines, then Allegiant Air
    Southwest Airlines logo
    Allegiant Air logo
See all 38 in Routes

AUS to IAD: common questions

Which airlines fly nonstop from AUS to IAD?

United Airlines (Star Alliance) flies nonstop from Austin (AUS) to Dulles (IAD).

How far is Austin from Dulles by plane?

Austin (AUS) and Dulles (IAD) are 1,296 miles (2,085 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book AUS to IAD award flights?

13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does AUS to IAD cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for AUS to IAD with taxes and fees.

Where can I connect between Austin and Dulles?

The most direct connections are through Nashville (BNA), Knoxville (TYS), Asheville (AVL), Houston (IAH) and Cincinnati (CVG). On 17 of them the same airline flies both flights, for example Allegiant Air through Knoxville.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.