
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $210 (Gotogate) |
One-way from | $105 (Super.com) |
Popular in | February |
Cheapest in | September |
Average price | $487 |
Good round-trip deal | $392 or less |
Good one-way deal | $185 or less |
Fly from
Fly to
Route
Depart
Return
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 6/6
9:47 am-1:57 pm
Nonstop3h 10m
Washington, D.C. Reagan-National
Wed 6/10
10:58 am-1:19 pm
Nonstop3h 21m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 5/20
12:00 pm-4:04 pm
Nonstop3h 04m
Washington, D.C. Reagan-National
Sat 5/30
6:00 am-8:13 am
Nonstop3h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 6/12
4:55 pm-9:06 pm
Nonstop3h 11m
Washington, D.C. Reagan-National
Mon 6/15
2:55 pm-5:14 pm
Nonstop3h 19m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 10/24
7:45 am-11:53 am
Nonstop3h 08m
Washington, D.C. Reagan-National
Sun 10/25
6:00 am-8:33 am
Nonstop3h 33m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 7/14
2:20 pm-6:31 pm
Nonstop3h 11m
Washington, D.C. Reagan-National
Fri 8/14
8:15 am-11:00 am
Nonstop3h 45m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 6/19
7:46 am-11:56 am
Nonstop3h 10m
Washington, D.C. Reagan-National
Mon 6/22
6:00 am-8:13 am
Nonstop3h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 6/19
2:43 pm-8:48 pm
1 stop5h 05m
Washington, D.C. Reagan-National
Mon 6/22
8:00 am-1:38 pm
1 stop6h 38m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 6/18
4:55 pm-9:06 pm
Nonstop3h 11m
Washington, D.C. Reagan-National
Tue 6/23
6:00 am-8:13 am
Nonstop3h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 5/19
6:05 pm-10:15 pm
Nonstop3h 10m
Washington, D.C. Reagan-National
Thu 5/21
6:00 am-8:13 am
Nonstop3h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Mon 5/18
6:12 pm-11:59 pm
1 stop4h 47m
Washington, D.C. Reagan-National
Thu 5/21
1:44 pm-4:12 pm
Nonstop3h 28m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport (average of $343). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $661). 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.
Unlike at noon, when flights are generally more expensive, you can save up to 20% on flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport by exploring options for tickets in the afternoon.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday afternoons 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.
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Boarding
Entertainment
Food
Comfort
Crew
Overall
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$233 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$262 | Average$468 | FlexibilityNo cancel fee | On-time69% |