Direct (nonstop) flights from Dulles to Dubois
1 airline flys nonstop from Washington Dulles International (IAD) to DuBois Regional Airport (DUJ). It's 171 miles (276 km), about 1h 28m in the air. Operated by Southern Airways Express.
Southern Airways Express
Route data last updated: May 26, 2026
Airlines with non-stop flights
9X
Southern Airways Express
Alternative Routes
Other ways to fly from Dulles to Dubois with one stop · direct emits 32 kg CO₂ per passenger
Looking for the return flight?
DUJ → IAD: Flights from Dubois to DullesOther direct flights from Dulles
Direct flights from Dubois (DUJ)
Frequently Asked Questions
How long is the direct flight from Dulles to Dubois?
A nonstop flight from Dulles (IAD) to Dubois (DUJ) takes approximately 1 hours and 28 minutes. The distance is 171 miles (276 km).
Which airlines fly nonstop from Dulles to Dubois?
Just Southern Airways Express.
Is there a nonstop flight from Dulles to Dubois?
Yes. 1 airline: Southern Airways Express.
How far is Dulles from Dubois?
The flight distance from Dulles to Dubois is 171 miles (276 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Washington DC.
What type of aircraft flies from Dulles to Dubois?
At 1h 28m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Dulles to Dubois?
Roughly 32 kg CO2 per passenger one-way. That's about the same as driving 160 km.
Is the return flight from Dubois 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 Dubois?
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.