Direct flights from Washington to Houston
All flights from DCA to IAH non-stop. There are direct flights from Ronald Reagan Washington National (DCA), District of Columbia, USA to George Bush Intcntl Houston (IAH), Texas, USA with United Airlines and American Airlines. 65 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 20:59 depending on the schedule period. The flight distance is 1212 miles (1950 km). Flight time ranges from 3 hours and 17 minutes to 3 hours and 57 minutes.
Washington
, USA
Flight schedule from Washington 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 2026-08-24
Flight schedule from Washington to Houston with American Airlines
This is a weekly direct flight schedule for American 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 2026-08-24
Washington to Houston scheduled departures
Select a date to see every published non-stop departure between DCA and IAH.
DCA - IAH route facts
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Distance1212 miles (1950 km)
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Flight time3 hours and 17 minutes to 3 hours and 57 minutes
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Airlines United American Airlines
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Airline alliancesStar Alliance oneworld
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CabinsEconomy First
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Hub airportsUnited Airlines: IAHAmerican Airlines: DCA
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Departure terminalsUnited Airlines: Terminal 2American Airlines: Terminal 2
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Arrival terminalsUnited Airlines: Terminal C and Terminal BAmerican Airlines: Terminal A
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AircraftUnited Airlines: Boeing 737MAX 8 Passenger, Boeing 737-700 Passenger, Airbus A319, Boeing 737-800 Passenger, Airbus A320 and Embraer 175 (Enhanced Winglets)American Airlines: Embraer 175, Canadair (Bombardier) Regional Jet 700 and Challenger 870 and Canadair (Bombardier) Regional Jet 900
Route FAQ
Nearby airports that offer flights to Houston (IAH)
From Washington Dulles Airport (IAD)
37 flights per week
Direct flights from Washington to TX, USA
From Washington to San Antonio
SAT San Antonio International
From Washington to Dallas
DFW Dallas Fort Worth International
From Washington to Austin
AUS Austin-Bergstrom International Airport
From Washington to Houston
HOU William P. Hobby Airport
From Washington to Dallas
DAL Dallas Love Fld
