United Airlines
Star Alliance
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United States
Ronald Reagan Washington National Airport
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United States
George Bush Intercontinental Airport
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Scan through all non-stop flights from Washington to Houston. The full flight schedule below gives an overview of all non-stop flights from DCA to IAH, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston 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 Houston 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 Washington DCA to Houston IAH. 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 DCA IAH flight schedule.
Flights from DCA to IAH are operated 14 times a week, with an average of 2 flights per day. Departure times vary between 05:59 - 20:40. The earliest flight departs at 05:59, the last flight departs at 20:40. 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 Washington to Houston takes 3 hours and 47 minutes. The flight distance between Washington and Houston is 1,205 miles (or 1,939 km).
There are 2 airports in Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
There are 14 flights per week flying from Washington to Houston (as of March 2026).
3 hours and 47 minutes is the average flight time from Washington to Houston.
The distance from Washington to Houston is 1,205 miles (1,939 kilometers).
American Airlines and United Airlines are flying nonstop from Washington to Houston.
Oneworld and Star Alliance are flying nonstop from Washington to Houston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Washington to Houston:
The earliest flight departs at 05:59 from Washington and arrives at 08:26 at Houston.
The latest flight departs at 20:40 from Washington and arrives at 23:16 at Houston.
1,205 miles (1,939 km) · 3h 47m
06:00
08:31
United Airlines
Star Alliance
UA 1450
United Airlines
Boeing 737 MAX 8
Y
W
J
F
06:30
09:12
American Airlines
Oneworld
AA 5224
American Airlines
Canadair Regional Jet 900
Y
W
J
F
08:30
11:08
United Airlines
Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F
11:05
13:37
United Airlines
Star Alliance
UA 2190
United Airlines
Boeing 737-700
Y
W
J
F
12:23
15:05
American Airlines
Oneworld
AA 5253
American Airlines
Canadair Regional Jet 900
Y
W
J
F
12:40
15:15
United Airlines
Star Alliance
UA 382
United Airlines
Airbus A319
Y
W
J
F
13:54
16:45
American Airlines
Oneworld
AA 4618
American Airlines
Embraer 175
Y
W
J
F
14:33
17:08
United Airlines
Star Alliance
UA 1381
United Airlines
Airbus A319
Y
W
J
F
16:34
19:06
United Airlines
Star Alliance
UA 1785
United Airlines
Boeing 737-700
Y
W
J
F
19:59
22:48
American Airlines
Oneworld
AA 4694
American Airlines
Embraer 175
Y
W
J
F
19:59
22:34
United Airlines
Star Alliance
UA 1678
United Airlines
Airbus A319
Y
W
J
F
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