
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (American Airlines) |
One-way from | $123 (Super.com) |
Popular in | June |
Cheapest in | August |
Average price | $547 |
Good round-trip deal | $457 or less |
Good one-way deal | $228 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 8/12
10:58 am-1:18 pm
Nonstop3h 20m
Houston George Bush Intcntl
Wed 8/12
7:50 pm-11:59 pm
Nonstop3h 09m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Sat 7/18
6:00 am-11:47 am
1 stop6h 47m
Houston George Bush Intcntl
Mon 7/20
11:58 am-10:59 pm
1 stop10h 01m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 7/21
6:00 am-11:47 am
1 stop6h 47m
Houston George Bush Intcntl
Wed 8/5
11:53 am-10:59 pm
1 stop10h 06m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 8/4
12:27 pm-5:40 pm
1 stop6h 13m
Houston George Bush Intcntl
Tue 8/18
7:00 am-12:45 pm
1 stop4h 45m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 8/27
10:58 am-1:18 pm
Nonstop3h 20m
Houston George Bush Intcntl
Mon 8/31
2:20 pm-6:29 pm
Nonstop3h 09m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Sat 7/4
8:50 am-4:09 pm
1 stop8h 19m
Houston George Bush Intcntl
Sat 7/11
4:42 pm-11:33 pm
1 stop5h 51m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 7/16
8:20 am-10:41 am
Nonstop3h 21m
Houston George Bush Intcntl
Tue 7/21
7:46 am-11:56 am
Nonstop3h 10m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 7/27
2:55 pm-5:14 pm
Nonstop3h 19m
Houston George Bush Intcntl
Wed 7/29
6:05 pm-10:15 pm
Nonstop3h 10m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 6/24
12:59 pm-3:18 pm
Nonstop3h 19m
Houston George Bush Intcntl
Wed 7/1
7:50 pm-11:59 pm
Nonstop3h 09m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 6/30
2:55 pm-5:14 pm
Nonstop3h 19m
Houston George Bush Intcntl
Sun 7/5
7:50 pm-11:59 pm
Nonstop3h 09m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
The best time to book flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport is 82 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport (average of $323). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $547). 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.
It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 35% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
About 12% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 173 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Saturday 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, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Comfort
Food
Entertainment
Overall
Crew
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$135 | Average$238 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$276 | Average$473 | FlexibilityNo cancel fee | On-time69% |