
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $295 (Delta) |
One-way from | $129 (Kiwi.com) |
Popular in | March |
Cheapest in | April |
Average price | $430 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Tue 8/25
12:30 pm-4:25 pm
1 stop4h 55m
Houston Hobby
Wed 8/26
10:50 am-4:41 pm
1 stop4h 51m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Thu 7/2
6:00 am-12:12 pm
1 stop7h 12m
Houston Hobby
Sat 7/4
6:00 am-2:46 pm
1 stop7h 46m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Thu 9/17
7:00 am-12:04 pm
1 stop6h 04m
Houston Hobby
Mon 9/21
5:35 pm-12:10 am
1 stop5h 35m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Sat 9/5
5:30 pm-9:35 pm
1 stop5h 05m
Houston Hobby
Sun 9/13
6:00 am-11:59 am
1 stop4h 59m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Sat 9/5
4:00 pm-9:35 pm
1 stop6h 35m
Houston Hobby
Mon 9/7
5:35 pm-12:10 am
1 stop5h 35m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Thu 9/24
10:05 am-4:23 pm
1 stop7h 18m
Houston Hobby
Sun 9/27
5:35 pm-12:10 am
1 stop5h 35m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Fri 6/5
5:31 pm-10:26 pm
1 stop5h 55m
Houston Hobby
Tue 6/16
1:10 pm-12:44 am
1 stop10h 34m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Wed 6/3
10:11 am-4:09 pm
1 stop6h 58m
Houston Hobby
Wed 6/10
1:10 pm-12:44 am
1 stop10h 34m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Sat 8/15
2:54 pm-9:23 pm
1 stop7h 29m
Houston Hobby
Sat 8/22
5:20 pm-12:33 am
1 stop6h 13m
Washington, D.C.Houston
IAD - HOU
IADHOU
Washington, D.C. Dulles Intl
Thu 7/23
6:00 am-9:45 am
1 stop4h 45m
Houston Hobby
Mon 7/27
6:00 am-2:01 pm
1 stop7h 01m
| 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 Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport (average of $299). Flying from Washington, D.C. Dulles Intl Airport to Houston Hobby Airport in March is currently the most expensive (average of $503). 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.
About 30% 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 in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Food
Overall
Comfort
Crew
Boarding
Entertainment
Reviews
Dane,Jan 2026
IAD - TYS
Food
Overall
Comfort
Crew
Boarding
Entertainment
Reviews
Dane,Jan 2026
IAD - TYS
Food
Overall
Comfort
Crew
Boarding
Entertainment
Reviews
Dane,Jan 2026
IAD - TYS
Food
Overall
Comfort
Crew
Boarding
Entertainment
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$177 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$104 | Average$235 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$249 | Average$436 | FlexibilityNo cancel fee | On-time69% |