Direct (nonstop) flights from Dulles to Houston
1 airline flys nonstop from Washington Dulles International (IAD) to George Bush Intcntl Houston (IAH). It's 1,191 miles (1,916 km), about 3h 22m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Dulles to Houston with one stop · direct emits 201 kg CO₂ per passenger
Looking for the return flight?
IAH → IAD: Flights from Houston to DullesOther direct flights from Dulles
Direct flights from Houston (IAH)
Frequently Asked Questions
How long is the direct flight from Dulles to Houston?
A nonstop flight from Dulles (IAD) to Houston (IAH) takes approximately 3 hours and 22 minutes. The distance is 1,191 miles (1,916 km).
Which airlines fly nonstop from Dulles to Houston?
Just United Airlines.
Is there a nonstop flight from Dulles to Houston?
Yes. 1 airline: United Airlines.
How far is Dulles from Houston?
The flight distance from Dulles to Houston is 1,191 miles (1,916 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 Houston?
At 3h 22m, 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 Houston?
Roughly 201 kg CO2 per passenger one-way. That's about the same as driving 1,005 km.
Is the return flight from Houston 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 Houston?
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.