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 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.
- 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
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



- 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)Allegiant Air, Delta Air Lines and 1 more, then United Airlines




- 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)Southwest Airlines and Delta Air Lines, then United Airlines



- Via Raleigh/Durham (RDU)Delta Air Lines and Southwest Airlines, then United Airlines



- Via Pittsburgh (PIT)Southwest Airlines, then United Airlines


- Via Indianapolis (IND)Southwest Airlines and Delta Air Lines, then United Airlines



- Via New Orleans (MSY)Southwest Airlines and Delta Air Lines, then United Airlines



- Via Saint Louis (STL)Southwest Airlines, then United Airlines


- Via Fort Walton Beach (VPS)Southwest Airlines, then Allegiant Air


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.