All scheduled flights from Houston to Dulles (HOU-IAD)
United States 
All scheduled flights from HOU to IAD. You can fly from Houston to Dulles with 1 stop. The flight time is between 4 and 5 hours depending on your connecting flight. The HOU-IAD route has no non-stop flights.
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Layover airport
Airlines
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Class
10 flights to Dulles on Mon 03 Mar. 0 Direct flights and 10 flights with 1 stop.
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Flights with stop
1 stop 4h 33m
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1 stop 4h 33m
1 stop 4h 43m
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Overnight flight
1 stop 4h 43m
1 stop 4h 57m
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1 stop 4h 57m
1 stop 4h 57m
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1 stop 4h 57m
1 stop 5h 08m
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1 stop 5h 08m
1 stop 5h 20m
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1 stop 5h 20m
1 stop 5h 59m
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Change from terminal E to terminal
1 stop 5h 59m
Multiple airlines
1 stop 5h 10m
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Change from terminal S to terminal N
1 stop 5h 10m
1 stop 5h 28m
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Change from terminal S to terminal N
1 stop 5h 28m
1 stop 5h 57m
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1 stop 5h 57m