Direct (nonstop) flights from Austin to Dulles
2 airlines fly nonstop from Austin-Bergstrom International Airport (AUS) to Washington Dulles International (IAD). It's 1,297 miles (2,087 km), about 3h 16m 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 Austin to Dulles with one stop · direct emits 219 kg CO₂ per passenger
Looking for the return flight?
IAD → AUS: Flights from Dulles to AustinOther direct flights from Austin
Direct flights from Dulles (IAD)
Frequently Asked Questions
How long is the direct flight from Austin to Dulles?
A nonstop flight from Austin (AUS) to Dulles (IAD) takes approximately 3 hours and 16 minutes. The distance is 1,297 miles (2,087 km).
Which airlines fly nonstop from Austin to Dulles?
2 airlines: Allegiant Air, United Airlines.
Is there a nonstop flight from Austin to Dulles?
Yes. 2 airlines: Allegiant Air, United Airlines.
How far is Austin from Dulles?
The flight distance from Austin to Dulles 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 Austin to Dulles?
At 3h 16m, 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 Austin to Dulles?
Roughly 219 kg CO2 per passenger one-way. That's about the same as driving 1,095 km.
Is the return flight from Dulles to Austin 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 Austin to Dulles?
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 Austin-Bergstrom International Airport for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.