American Airlines
Oneworld
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United States
George Bush Intercontinental Airport
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United States
Ronald Reagan Washington National Airport
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Scan through all non-stop flights from Houston to Washington. The full flight schedule below gives an overview of all non-stop flights from IAH to DCA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Washington is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Washington any time of the year, but the best months to explore are from to and from to .

In total there are 2 airlines operating nonstop flights from Houston IAH to Washington DCA. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their IAH DCA flight schedule.
Flights from IAH to DCA are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 05:47 - 19:53. The earliest flight departs at 05:47, the last flight departs at 19:53. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from Houston to Washington takes 3 hours. The flight distance between Houston and Washington is 1,205 miles (or 1,939 km).
There are 3 airports in Washington: Ronald Reagan Washington National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Washington International Thurgood Marshall Ai (BWI).
There are 14 flights per week flying from Houston to Washington (as of March 2026).
3 hours is the average flight time from Houston to Washington.
The distance from Houston to Washington is 1,205 miles (1,939 kilometers).
American Airlines and United Airlines are flying nonstop from Houston to Washington.
Oneworld and Star Alliance are flying nonstop from Houston to Washington.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Houston to Washington:
The earliest flight departs at 05:47 from Houston and arrives at 10:00 at Washington.
The latest flight departs at 19:53 from Houston and arrives at 23:59 at Washington.
1,205 miles (1,939 km) · 3h
06:28
10:40
American Airlines
Oneworld
AA 4766
American Airlines
Embraer 175
Y
W
J
F
06:30
10:42
American Airlines
Oneworld
AA 4766
American Airlines
Embraer 175
Y
W
J
F
06:30
10:40
American Airlines
Oneworld
AA 4766
American Airlines
Embraer 175
Y
W
J
F
07:30
11:35
United Airlines
Star Alliance
UA 512
United Airlines
Airbus A319
Y
W
J
F
09:30
13:36
United Airlines
Star Alliance
UA 2311
United Airlines
Airbus A319
Y
W
J
F
09:45
13:49
American Airlines
Oneworld
AA 5224
American Airlines
Canadair Regional Jet 900
Y
W
J
F
09:47
13:51
American Airlines
Oneworld
AA 5224
American Airlines
Canadair Regional Jet 900
Y
W
J
F
12:00
16:04
United Airlines
Star Alliance
UA 654
United Airlines
Airbus A320-100/200
Y
W
J
F
12:00
16:04
United Airlines
Star Alliance
UA 654
United Airlines
Airbus A320-100/200
Y
W
J
F
14:45
18:50
United Airlines
Star Alliance
UA 625
United Airlines
Airbus A319
Y
W
J
F
16:55
21:05
United Airlines
Star Alliance
UA 1346
United Airlines
Airbus A319
Y
W
J
F
17:15
21:27
American Airlines
Oneworld
AA 4618
American Airlines
Embraer 175
Y
W
J
F
17:16
21:28
American Airlines
Oneworld
AA 4618
American Airlines
Embraer 175
Y
W
J
F
18:05
22:15
United Airlines
Star Alliance
UA 1627
United Airlines
Airbus A320-100/200
Y
W
J
F
18:05
22:14
United Airlines
Star Alliance
UA 1627
United Airlines
Boeing 737-800
Y
W
J
F
19:53
23:59
United Airlines
Star Alliance
UA 2224
United Airlines
Boeing 737 MAX 8
Y
W
J
F
19:53
23:59
United Airlines
Star Alliance
UA 2224
United Airlines
Boeing 737 MAX 8
Y
W
J
F
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