
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Frontier) |
One-way from | $123 (Kiwi.com) |
Popular in | September |
Cheapest in | August |
Average price | $458 |
Good round-trip deal | $444 or less |
Good one-way deal | $232 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 7/9
6:00 am-8:13 am
Nonstop3h 13m
Houston George Bush Intcntl
Wed 7/22
2:20 pm-6:31 pm
Nonstop3h 11m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Tue 9/15
9:00 am-4:28 pm
1 stop8h 28m
Houston George Bush Intcntl
Mon 9/28
1:15 pm-10:21 pm
1 stop8h 06m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 6/25
6:59 am-11:23 am
1 stop5h 24m
Houston George Bush Intcntl
Mon 6/29
5:40 am-12:42 pm
1 stop6h 02m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Fri 7/10
4:59 pm-7:27 pm
Nonstop3h 28m
Houston George Bush Intcntl
Fri 7/24
2:20 pm-6:31 pm
Nonstop3h 11m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 10/22
7:00 am-12:20 pm
1 stop6h 20m
Houston George Bush Intcntl
Sun 10/25
11:50 am-7:14 pm
1 stop6h 24m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Mon 8/24
7:29 am-9:52 am
Nonstop3h 23m
Houston George Bush Intcntl
Tue 8/25
10:22 am-2:24 pm
Nonstop3h 02m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 7/9
7:28 pm-9:59 pm
Nonstop3h 31m
Houston George Bush Intcntl
Mon 7/13
7:50 pm-11:59 pm
Nonstop3h 09m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Wed 6/3
6:20 am-4:54 pm
1 stop11h 34m
Houston George Bush Intcntl
Wed 6/17
2:43 pm-9:46 pm
1 stop6h 03m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Fri 6/5
10:58 am-1:19 pm
Nonstop3h 21m
Houston George Bush Intcntl
Mon 6/8
6:05 pm-10:15 pm
Nonstop3h 10m
Washington, D.C.Houston
DCA - IAH
DCAIAH
Washington, D.C. Reagan-National
Thu 7/2
6:59 am-1:38 pm
1 stop7h 39m
Houston George Bush Intcntl
Sun 7/5
2:10 pm-10:55 pm
1 stop7h 45m
| 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 $318). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $591). 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 37% 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. Monday 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 175 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
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Boarding
Overall
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$109 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$135 | Average$226 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$233 | Average$417 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$269 | Average$452 | FlexibilityNo cancel fee | On-time69% |