Direct flights from Houston to Washington
All flights from IAH to DCA non-stop. There are direct flights from George Bush Intcntl Houston (IAH), Texas, USA to Ronald Reagan Washington National (DCA), District of Columbia, USA with United Airlines and American Airlines. 70 weekly departures are currently scheduled on this route. Departure times range from 05:46 to 19:55 depending on the schedule period. The flight distance is 1212 miles (1950 km). Flight time ranges from 2 hours and 54 minutes to 3 hours and 20 minutes.
Houston
, USA
Airlines with non-stop routes:
United Airlines
American Airlines
Flight schedule from Houston to Washington 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
Flight schedule from Houston to Washington 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 2026-06-29
Houston to Washington scheduled departures
Select a date to see every published non-stop departure between IAH and DCA.
IAH - DCA route facts
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Distance1212 miles (1950 km)
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Flight time2 hours and 54 minutes to 3 hours and 20 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 C and Terminal BAmerican Airlines: Terminal A
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Arrival terminalsUnited Airlines: Terminal 2American Airlines: Terminal 2
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AircraftUnited Airlines: Airbus A320, Boeing 737-700 Passenger, Boeing 737MAX 8 Passenger, Boeing 737-800 Passenger, Embraer 175 (Enhanced Winglets) and Airbus A319American Airlines: Canadair (Bombardier) Regional Jet 700 and Challenger 870 and Embraer 175
Route FAQ
Nearby airports that offer flights to Washington (DCA)
From Hobby Airport (HOU)
17 flights per week
