Check security wait times on the IAH website to streamline your departure process.
Round-trip from | $195 (American Airlines) |
---|---|
One-way from | $134 (Southwest) |
Popular in | August |
Cheapest in | February |
Average price | $349 |
Fly from
Fly to
Route
Depart
Return
Price
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 6/4
7:30 am-2:24 pm
1 stop5h 54m
Washington, D.C. Reagan-National
Wed 6/4
5:09 pm-11:42 pm
1 stop7h 33m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 7/4
2:35 pm-6:45 pm
Nonstop3h 10m
Washington, D.C. Reagan-National
Tue 7/8
2:54 pm-5:15 pm
Nonstop3h 21m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Fri 5/23
7:05 am-11:05 am
Nonstop3h 00m
Washington, D.C. Reagan-National
Mon 5/26
6:00 am-8:25 am
Nonstop3h 25m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 7/16
3:40 pm-9:21 pm
1 stop4h 41m
Washington, D.C. Reagan-National
Tue 7/22
3:55 pm-7:55 pm
1 stop5h 00m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Tue 5/13
2:45 pm-9:41 pm
1 stop5h 56m
Washington, D.C. Reagan-National
Mon 8/18
10:00 am-3:02 pm
1 stop6h 02m
HoustonWashington, D.C.
HOU - DCA
HOUDCA
Houston Hobby
Sat 5/24
2:28 pm-9:00 pm
1 stop5h 32m
Washington, D.C. Reagan-National
Mon 5/26
2:59 pm-7:44 pm
1 stop5h 45m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 5/7
1:25 pm-10:58 pm
1 stop8h 33m
Washington, D.C. Reagan-National
Wed 5/14
6:09 am-12:11 pm
1 stop7h 02m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Thu 5/8
11:28 am-9:59 pm
1 stop9h 31m
Washington, D.C. Reagan-National
Tue 5/13
1:00 pm-11:53 pm
1 stop11h 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
5:00 pm-6:14 pm
1 stop26h 14m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 5/3
5:10 am-8:58 pm
1 stop14h 48m
Washington, D.C. Reagan-National
Sun 5/4
7:25 am-7:10 pm
2 stops12h 45m
Booking 44 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 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.
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 26% 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 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.
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).
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Anonymous,Apr 2025
LAS - STS
Entertainment
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Anonymous,Apr 2025
LAS - STS
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Anonymous,Apr 2025
LAS - STS
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Anonymous,Apr 2025
LAS - STS
Entertainment
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Boarding
Food
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Anonymous,Apr 2025
LAS - STS
Entertainment
Comfort
Crew
Boarding
Food
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Reviews
Anonymous,Apr 2025
LAS - STS
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Cheapest$128 | Average$259 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$245 | Average$493 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$249 | Average$418 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$255 | Average$357 | FlexibilityNo cancel fee | On-time63% |