Austin to Dulles (AUS–IAD) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
AUS–IAD is served by 5 airlines with nonstop service. United Airlines, ITA Airways and Allegiant Air lead the route. The flight covers 1,295 miles in approximately 2h 31m. Beyond nonstop, 232 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| UA United Airlines Also: SN | 31 | 739, 73G, 7M8, B39M, E75L, E7W | 3h16-3h33 | Star Alliance | SN | |
| AZ ITA Airways | 7 | 738 | 3h18 | SkyTeam | – | |
| G4 Allegiant Air | 2 | 320 | 3h08 | – | – | |
| TWY TWY | 1 | – | – | – | – | |
| DL Delta Air Lines | 0 | – | – | SkyTeam | – |
Weekly Schedule Pattern
Connection Landscape
Other ways to reach Dulles from Austin
| Metric | AUS→IAD | SAT→IAD | CLL→IAD |
|---|---|---|---|
| Distance from AUS | – | 67 mi | 82 mi |
| Nonstop airlines | 5 | 8 | 1 |
| Weekly flights | 52 | 37 | 1 |
| Flight time | 2h 31m | 2h 56m | 3h 12m |
| Departure OTP | 85% | – | – |
Travel Essentials
AUS: CDT · IAD: EDT
When it's 6:00 PM in Austin, it's 7:00 PM in Dulles.
CapMetro Route 20 (Airport Flyer) runs between downtown Austin (Congress Ave) and AUS in about 30–35 minutes (fare $1.25, or free with MetroAccess). Service runs from roughly 05:00 to midnight; frequency drops evenings and weekends.Ride-shares (Uber/Lyft) from downtown cost $20–30 and take 15–20 minutes off-peak. Taxis run $30–40. Traffic on SH-71 can be heavy during afternoon rush; allow 30–40 minutes from downtown during 16:00–18:30. Long-term parking from $7/day in remote economy lots.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
AUS–IAD Quick Facts
Frequently Asked Questions
Flights from AUS to IAD
Austin Bergstrom International Airport (AUS) and Washington Dulles International Airport (IAD) are connected by nonstop service from ITA Airways, Delta Air Lines, Allegiant Air, TWY and United Airlines. With 52 weekly departures, this is a heavily served route.
AUS to IAD Flight Duration and Schedule
Nonstop flight time from AUS to IAD ranges from 2 hours 31 minutes to 3 hours 33 minutes. The route covers a distance of 1,295 miles (2,084 km). There are approximately 52 weekly flights outbound and 51 return, totaling 103 flights per week in both directions.
Connecting Options and Alternatives
232 one-stop connections are available, with the fastest taking approximately 3 hours via VRB. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include San Antonio (SAT), College Station (CLL) and Waco (ACT).