Check security wait times on IAH's website to ensure a smooth departure, especially during busy travel periods.
Round-trip from | $140 (Mytrip) |
---|---|
One-way from | $80 (Priceline) |
Popular in | November |
Cheapest in | August |
Average price | $292 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 12/31
7:00 am-3:05 pm
1 stop7h 05m
Washington, D.C. Reagan-National
Thu 1/1
6:00 am-11:11 am
1 stop6h 11m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Thu 1/1
6:00 am-11:38 am
1 stop4h 38m
Washington, D.C. Reagan-National
Tue 1/6
1:45 pm-9:46 pm
1 stop9h 01m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Thu 1/1
6:00 am-12:57 pm
1 stop5h 57m
Washington, D.C. Reagan-National
Mon 1/5
1:45 pm-9:46 pm
1 stop9h 01m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Wed 12/31
6:00 am-12:57 pm
1 stop5h 57m
Washington, D.C. Reagan-National
Mon 1/5
1:45 pm-9:46 pm
1 stop9h 01m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 1/1
7:30 am-11:29 am
Nonstop2h 59m
Washington, D.C. Reagan-National
Sun 1/4
7:59 pm-10:41 pm
Nonstop3h 42m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Thu 11/13
12:20 pm-4:15 pm
Nonstop2h 55m
Washington, D.C. Reagan-National
Mon 11/17
6:00 am-8:40 am
Nonstop3h 40m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 12/25
5:20 am-11:37 am
1 stop5h 17m
Washington, D.C. Reagan-National
Fri 1/2
12:32 pm-10:57 pm
1 stop11h 25m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Wed 11/12
3:00 pm-8:05 pm
1 stop4h 05m
Washington, D.C. Reagan-National
Wed 11/19
6:00 am-8:40 am
Nonstop3h 40m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 12/31
5:00 am-11:58 am
1 stop5h 58m
Washington, D.C. Reagan-National
Sat 1/3
8:15 am-11:09 am
Nonstop3h 54m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 12/23
2:42 pm-10:56 pm
1 stop7h 14m
Washington, D.C. Reagan-National
Mon 1/5
9:00 am-11:59 pm
1 stop15h 59m
Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, December is the cheapest month in which you can book a flight from Houston to Washington, D.C. Reagan-National Airport (average of $128). Flying from Houston to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of $269). 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.
A simple way to save on the total cost of your ticket is to fly from Houston to Washington, D.C. Reagan-National Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Houston to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from HO1 to DCA are scheduled on a Sunday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Crew
Food
Boarding
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$67 | Average$237 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$128 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$147 | Average$404 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$181 | Average$388 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$211 | Average$348 | FlexibilityNo cancel fee | On-time63% |