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

Round-trip from | $140 (Trip.com) |
|---|---|
One-way from | $79 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $452 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 2/9
6:00 pm-12:33 am
1 stop7h 33m
Houston George Bush Intcntl
Wed 2/11
8:45 am-6:59 pm
1 stop9h 14m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 2/9
6:00 pm-12:33 am
1 stop7h 33m
Houston George Bush Intcntl
Thu 2/12
6:39 am-4:59 pm
1 stop9h 20m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Sat 1/24
7:20 am-10:10 am
Nonstop3h 50m
Houston Hobby
Tue 1/27
11:05 am-6:20 pm
1 stop6h 15m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 1/14
7:59 pm-10:41 pm
Nonstop3h 42m
Houston George Bush Intcntl
Wed 1/21
7:30 am-11:30 am
Nonstop3h 00m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 2/25
12:47 pm-3:28 pm
Nonstop3h 41m
Houston George Bush Intcntl
Tue 3/3
9:50 am-1:49 pm
Nonstop2h 59m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Sat 2/14
4:25 pm-7:10 pm
Nonstop3h 45m
Houston Hobby
Sat 2/21
5:35 am-11:30 am
1 stop4h 55m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Tue 2/10
12:20 pm-4:10 pm
1 stop4h 50m
Houston Hobby
Wed 2/11
5:45 am-11:20 am
1 stop4h 35m
Washington, D.C.Houston
DCA - HOU
DCAHOU
Washington, D.C. Reagan-National
Tue 3/3
6:00 am-8:50 am
Nonstop3h 50m
Houston Hobby
Tue 3/10
2:35 pm-6:25 pm
Nonstop2h 50m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 1/20
4:28 pm-7:10 pm
Nonstop3h 42m
Houston George Bush Intcntl
Thu 1/22
7:30 am-11:29 am
Nonstop2h 59m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 2/9
6:00 am-8:45 am
Nonstop3h 45m
Houston George Bush Intcntl
Wed 2/11
12:00 pm-3:57 pm
Nonstop2h 57m
Booking 80 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 23% 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 157 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 Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, American Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$187 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$135 | Average$209 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$199 | Average$402 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$362 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$368 | FlexibilityNo cancel fee | On-timeN/A |