Check security wait times on the IAH Depart tab for all terminals to save time before your flight.
Most accurate provider | FlightHub 3 stars |
---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $195 (American Airlines) |
One-way from | $135 (United Airlines) |
Popular in | June |
Cheapest in | August |
Average price | $429 |
Good round-trip deal | $349 or less |
Good one-way deal | $208 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 6/4
7:30 am-4:29 pm
1 stop7h 59m
Washington, D.C. Reagan-National
Wed 6/4
6:59 pm-11:42 pm
1 stop5h 43m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 5/23
7:50 pm-11:59 pm
Nonstop3h 09m
Washington, D.C. Reagan-National
Tue 5/27
6:00 am-8:12 am
Nonstop3h 12m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 5/29
4:59 pm-11:43 pm
1 stop5h 44m
Washington, D.C. Reagan-National
Mon 6/2
8:59 am-4:04 pm
1 stop8h 05m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 5/8
1:25 pm-10:58 pm
1 stop8h 33m
Washington, D.C. Reagan-National
Sat 5/31
6:00 am-12:32 pm
1 stop7h 32m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 5/15
11:28 am-12:07 pm
1 stop23h 39m
Washington, D.C. Reagan-National
Mon 5/19
6:00 pm-11:53 pm
1 stop30h 53m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 5/29
5:54 pm-8:59 pm
2 stops26h 05m
Washington, D.C. Reagan-National
Mon 6/2
6:38 pm-4:54 pm
2 stops23h 16m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 7/2
6:05 pm-10:15 pm
Nonstop3h 10m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 6/17
11:40 am-7:58 pm
1 stop7h 18m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 6/4
2:51 pm-8:35 pm
1 stop4h 44m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 6/24
11:47 am-5:20 pm
1 stop4h 33m
Provider | Price Accuracy | Trust Score* |
---|---|---|
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy1 star | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*3 stars | |
Price Accuracy3 stars | Trust Score*2 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 67 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, February 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 $278). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $345). 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 14% 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 Sunday evenings 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.
The most flights from IAH to DCA are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.
If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
Boarding
Food
Overall
Entertainment
Comfort
Crew
Reviews
Anonymous,Apr 2025
LAS - STS
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Cheapest$99 | Average$191 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$143 | Average$297 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$336 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$245 | Average$376 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$249 | Average$392 | FlexibilityNo cancel fee | On-time69% |