Check security wait times on IAH's website to ensure a smooth departure, especially during busy travel periods.
Round-trip from | $157 (American Airlines) |
---|---|
One-way from | $84 (CheapOair) |
Popular in | December |
Cheapest in | February |
Average price | $368 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 10/11
6:30 am-10:38 am
Nonstop3h 08m
Washington, D.C. Reagan-National
Wed 10/15
1:59 pm-4:35 pm
Nonstop3h 36m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 9/10
6:05 pm-10:09 pm
Nonstop3h 04m
Washington, D.C. Reagan-National
Wed 9/17
8:20 am-10:44 am
Nonstop3h 24m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Wed 9/10
12:20 pm-4:15 pm
Nonstop2h 55m
Washington, D.C. Reagan-National
Wed 9/17
1:55 pm-4:10 pm
Nonstop3h 15m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 9/30
6:09 am-10:19 am
Nonstop3h 10m
Washington, D.C. Reagan-National
Wed 10/8
7:30 am-10:12 am
Nonstop3h 42m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 10/1
7:50 pm-11:50 pm
Nonstop3h 00m
Washington, D.C. Reagan-National
Wed 10/15
8:20 am-10:45 am
Nonstop3h 25m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Wed 11/5
12:15 pm-4:10 pm
Nonstop2h 55m
Washington, D.C. Reagan-National
Wed 11/12
6:00 am-8:40 am
Nonstop3h 40m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 12/31
10:09 am-2:15 pm
Nonstop3h 06m
Washington, D.C. Reagan-National
Tue 1/6
2:11 pm-4:23 pm
Nonstop3h 12m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 10/8
6:07 pm-10:10 pm
Nonstop3h 03m
Washington, D.C. Reagan-National
Sat 10/11
6:00 am-8:18 am
Nonstop3h 18m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Wed 9/24
8:05 am-12:00 pm
Nonstop2h 55m
Washington, D.C. Reagan-National
Tue 9/30
1:55 pm-4:10 pm
Nonstop3h 15m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 10/18
6:30 am-10:38 am
Nonstop3h 08m
Washington, D.C. Reagan-National
Sat 10/18
8:40 pm-11:19 pm
Nonstop3h 39m
Booking 87 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, February is the cheapest month in which you can book a flight from Houston to Washington, D.C. Reagan-National Airport (average of $278). Flying from Houston to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 22% on your trip compared to booking a flight in the morning.
Travelers seeking maximum savings on their Houston to Washington, D.C. Reagan-National Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Entertainment
Crew
Overall
Boarding
Comfort
Food
Reviews
Walter,Aug 2025
OAK - SAN
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$67 | Average$201 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$128 | Average$283 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$316 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$177 | Average$430 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$233 | Average$349 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$239 | Average$392 | FlexibilityNo cancel fee | On-time69% |