Dulles (IAD) to Austin (AUS) flights
One airline flies nonstop from Dulles (IAD) to Austin (AUS): 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 IAD to AUS
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to AUS with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
IAD to AUS with one stop
38 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)United Airlines, then Southwest Airlines and Delta Air Lines
- Via Knoxville (TYS)Allegiant Air the whole way
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- Via Asheville (AVL)Allegiant Air the whole way
- Via Houston (IAH)United Airlines the whole way
- Via Cincinnati (CVG)United Airlines, then Allegiant Air, Delta Air Lines and 1 more
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Dallas (DFW)American Airlines the whole way
- Via Columbus (CMH)United Airlines, then Southwest Airlines and Delta Air Lines
- Via Raleigh/Durham (RDU)United Airlines, then Delta Air Lines and Southwest Airlines
- Via Pittsburgh (PIT)United Airlines, then Southwest Airlines
- Via Indianapolis (IND)United Airlines, then Southwest Airlines and Delta Air Lines
- Via New Orleans (MSY)United Airlines, then Southwest Airlines and Delta Air Lines
- Via Saint Louis (STL)United Airlines, then Southwest Airlines
- Via Fort Walton Beach (VPS)Allegiant Air, then Southwest Airlines
IAD to AUS: common questions
Which airlines fly nonstop from IAD to AUS?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to Austin (AUS).
How far is Dulles from Austin by plane?
Dulles (IAD) and Austin (AUS) 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 IAD to AUS 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 IAD to AUS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to AUS with taxes and fees.
Where can I connect between Dulles and Austin?
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.