Direct (nonstop) flights from Dulles to Austin
2 airlines fly nonstop from Washington Dulles International (IAD) to Austin-Bergstrom International Airport (AUS). It's 1,297 miles (2,087 km), about 3h 46m in the air. Operated by Allegiant Air, United Airlines.
Allegiant Air
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Dulles to Austin with one stop · direct emits 219 kg CO₂ per passenger
Looking for the return flight?
AUS → IAD: Flights from Austin to DullesOther direct flights from Dulles
Direct flights from Austin (AUS)
Frequently Asked Questions
How long is the direct flight from Dulles to Austin?
A nonstop flight from Dulles (IAD) to Austin (AUS) takes approximately 3 hours and 46 minutes. The distance is 1,297 miles (2,087 km).
Which airlines fly nonstop from Dulles to Austin?
2 airlines: Allegiant Air, United Airlines.
Is there a nonstop flight from Dulles to Austin?
Yes. 2 airlines: Allegiant Air, United Airlines.
How far is Dulles from Austin?
The flight distance from Dulles to Austin is 1,297 miles (2,087 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Miami.
What type of aircraft flies from Dulles to Austin?
At 3h 46m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Dulles to Austin?
Roughly 219 kg CO2 per passenger one-way. That's about the same as driving 1,095 km.
Is the return flight from Austin to Dulles also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Dulles to Austin?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Washington Dulles International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.