
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $149 (American Airlines) |
One-way from | $75 (United Airlines) |
Popular in | September |
Cheapest in | August |
Average price | $443 |
Good round-trip deal | $384 or less |
Good one-way deal | $155 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Sat 3/21
1:40 pm-5:58 pm
1 stop5h 18m
Houston George Bush Intcntl
Tue 3/24
5:25 am-6:18 pm
2 stops11h 53m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 4/14
10:10 am-5:51 pm
1 stop8h 41m
Houston George Bush Intcntl
Wed 4/22
8:05 am-5:00 pm
1 stop7h 55m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 3/17
1:40 pm-9:09 pm
1 stop8h 29m
Houston George Bush Intcntl
Tue 3/24
7:00 am-6:33 pm
1 stop10h 33m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 3/24
10:10 am-5:58 pm
1 stop8h 48m
Houston George Bush Intcntl
Wed 4/1
7:00 am-6:33 pm
1 stop10h 33m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Fri 4/10
6:13 am-11:51 am
1 stop6h 38m
Houston George Bush Intcntl
Sat 4/11
5:23 am-12:40 pm
1 stop6h 17m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 4/1
12:40 pm-3:15 pm
Nonstop3h 35m
Houston George Bush Intcntl
Sat 4/11
4:45 pm-8:55 pm
Nonstop3h 10m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 3/10
6:00 am-8:42 am
Nonstop3h 42m
Houston George Bush Intcntl
Tue 3/24
2:45 pm-6:46 pm
Nonstop3h 01m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Sat 6/6
12:00 pm-5:45 pm
1 stop6h 45m
Houston George Bush Intcntl
Tue 6/9
1:15 pm-8:19 pm
1 stop6h 04m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 3/23
6:00 am-1:54 pm
1 stop8h 54m
Houston George Bush Intcntl
Tue 3/31
11:35 am-9:41 pm
1 stop9h 06m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 3/16
7:59 am-3:51 pm
1 stop8h 52m
Houston George Bush Intcntl
Tue 3/24
7:00 am-6:33 pm
1 stop10h 33m
| 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 | |
| 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 83 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, October 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 $122). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $288). 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 42% 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 Monday 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 11% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 159 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Sunday 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.
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Dane,Jan 2026
IAD - TYS
Crew
Comfort
Entertainment
Food
Boarding
Overall
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$124 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$202 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$233 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$400 | FlexibilityNo cancel fee | On-time69% |