Nonstop flights from Houston to Washington

United Airlines flies this route 4 to 6 times a day.

IAHHouston George Bush Intercontinental

1,189 mi · 37 flights a week

IADWashington Dulles International

IAHIAD

When they leave

Houston time

7:20a8:20pFirst departure 7:20 AM, last 8:20 PM

One morning flight at 7:20 AM, then three in the afternoon, 12:10 PM to 4:45 PM, then three in the evening, 6:40 PM to 8:20 PM.

Every flight

Earliest first

7:20 AM→11:28 AMUnited AirlinesBoeing 737Daily
12:10 PM→4:21 PMUnited AirlinesBoeing 737Daily
2:48 PM→6:59 PMUnited AirlinesBoeing 737Mon, Thu, Fri, Sat, Sun
4:45 PM→8:56 PMUnited AirlinesBoeing 737 MAX 9Daily
6:40 PM→10:45 PMUnited AirlinesBoeing 737Wed, Thu, Fri, Sun
7:50 PM→11:55 PMUnited AirlinesBoeing 737Mon, Tue, Wed, Thu, Sat
8:20 PM→12:30 AM⁺¹United AirlinesBoeing 737 MAX 9Fri, Sun

Schedules last checked Sep 8, 2026. Times are local.

Flying from Houston to Washington

United Airlines is the only airline flying nonstop from Houston to Washington, 4 to 6 times a day on the Boeing 737 and Boeing 737 MAX 9.

Flights run every day of the week, from 4 on Tuesdays to 6 on Thursdays, Fridays and Sundays. The first arrival in Washington is at 11:28 AM and the last at 12:30 AM the next day. The flight covers 1,189 miles.

Flying back, Washington to Houston has 36 nonstop flights a week. From Houston, Ronald Reagan Washington National (DCA) and Baltimore (BWI) are the other Washington area airports with nonstop flights, 65 and 21 a week.