Direct flights from Dulles to Houston
All flights from IAD to IAH non-stop. There are direct flights from Washington Dulles International (IAD), Virginia, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines. 37 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 22:29 depending on the schedule period. The flight distance is 1195 miles (1923 km). Flight time ranges from 3 hours and 6 minutes to 3 hours and 44 minutes.
Dulles
, USA
Flight schedule from Dulles to Houston with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-06-29
Dulles to Houston scheduled departures
Select a date to see every published non-stop departure between IAD and IAH.
IAD - IAH route facts
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Distance1195 miles (1923 km)
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Flight time3 hours and 6 minutes to 3 hours and 44 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy Business First
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Hub airportsIAD (Secondary hub.) and IAH
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Arrival terminalsTerminal C
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AircraftBoeing 737MAX 8 Passenger, Boeing 737-800 Passenger, Boeing 737MAX 9 Passenger, Boeing 737-900 Passenger, Boeing 737-700 Passenger, Airbus A319, Boeing 767-300 Passenger and Airbus A320
Route FAQ
Nearby airports that offer flights to Houston (IAH)
From Reagan National (DCA)
64 flights per week
Direct flights from Dulles to TX, USA
From Dulles to San Antonio
SAT San Antonio International
From Dulles to Austin
AUS Austin-Bergstrom International Airport
From Dulles to Dallas
DFW Dallas Fort Worth International
