Reserve parking in advance at DCA, as lots fill quickly. Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

Round-trip from | $138 (CheapOair) |
|---|---|
One-way from | $72 (Super.com) |
Popular in | February |
Cheapest in | January |
Average price | $437 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 12/11
6:00 pm-12:31 am
1 stop7h 31m
Houston George Bush Intcntl
Tue 12/16
6:45 am-4:59 pm
1 stop9h 14m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 1/28
1:00 pm-11:39 pm
1 stop11h 39m
Houston George Bush Intcntl
Sun 2/1
10:51 am-12:04 pm
1 stop24h 13m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Fri 1/9
1:00 pm-10:01 am
2 stops22h 01m
Houston George Bush Intcntl
Sun 1/11
10:25 am-9:59 pm
1 stop10h 34m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Wed 12/3
6:35 pm-9:10 pm
Nonstop3h 35m
Houston Hobby
Tue 12/9
12:05 pm-4:00 pm
Nonstop2h 55m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Sat 1/10
7:20 am-10:10 am
Nonstop3h 50m
Houston Hobby
Sat 1/10
5:10 pm-9:00 pm
Nonstop2h 50m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Sat 12/6
8:00 am-12:40 pm
1 stop5h 40m
Houston Hobby
Wed 12/10
8:10 am-12:05 pm
Nonstop2h 55m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Tue 2/17
7:59 am-12:21 pm
1 stop5h 22m
Houston Hobby
Tue 2/24
1:06 pm-7:34 pm
1 stop5h 28m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 1/26
6:30 am-12:05 pm
1 stop6h 35m
Houston George Bush Intcntl
Wed 1/28
6:05 pm-10:06 pm
Nonstop3h 01m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Sat 1/10
5:00 pm-9:15 pm
1 stop5h 15m
Houston Hobby
Mon 1/12
9:00 am-2:15 pm
1 stop4h 15m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 1/29
7:59 pm-10:41 pm
Nonstop3h 42m
Houston George Bush Intcntl
Mon 2/2
8:00 pm-11:59 pm
Nonstop2h 59m
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $122). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Washington, D.C. Reagan-National Airport to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the afternoon.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
About 13% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 154 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Comfort
Food
Boarding
Entertainment
Crew
Overall
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$131 | Average$227 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$136 | Average$232 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$216 | Average$378 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$241 | Average$377 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$402 | FlexibilityNo cancel fee | On-time69% |