Direct flights from Houston to Dulles
All flights from IAH to IAD non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Washington Dulles International (IAD), Virginia, USA with United Airlines. 36 weekly departures are currently scheduled on this route. Departure times range from 07:20 to 20:34 depending on the schedule period. The flight distance is 1195 miles (1923 km). Flight time ranges from 2 hours and 52 minutes to 3 hours and 19 minutes.
Houston
, USA
Flight schedule from Houston to Dulles 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
Houston to Dulles scheduled departures
Select a date to see every published non-stop departure between IAH and IAD.
IAH - IAD route facts
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Distance1195 miles (1923 km)
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Flight time2 hours and 52 minutes to 3 hours and 19 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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Departure terminalsTerminal C
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AircraftBoeing 737-900 Passenger, Boeing 737MAX 9 Passenger, Boeing 737-800 Passenger, Boeing 737-700 Passenger, Airbus A320, Airbus A319, Boeing 737MAX 8 Passenger and Boeing 767-300 Passenger
Route FAQ
Direct flights from Houston to VA, USA
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