Check the IAH Depart tab for current security wait times at all terminals to save time before your flight.
Round-trip from | $184 (American Airlines) |
---|---|
One-way from | $106 (Frontier) |
Popular in | June |
Cheapest in | September |
Average price | $488 |
Good round-trip deal | $307 or less |
Good one-way deal | $174 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 8/26
6:50 pm-1:09 am
1 stop5h 19m
Washington, D.C. Reagan-National
Wed 8/27
5:05 am-10:07 am
1 stop6h 02m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 7/9
10:04 pm-12:04 pm
1 stop13h 00m
Washington, D.C. Reagan-National
Mon 7/14
1:00 pm-11:36 pm
1 stop11h 36m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 8/23
6:00 pm-11:46 pm
1 stop4h 46m
Washington, D.C. Reagan-National
Tue 9/2
7:38 pm-11:56 pm
1 stop5h 18m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 7/16
2:35 pm-6:45 pm
Nonstop3h 10m
Washington, D.C. Reagan-National
Sun 7/20
6:00 am-8:12 am
Nonstop3h 12m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 7/9
11:58 am-7:58 pm
1 stop7h 00m
Washington, D.C. Reagan-National
Mon 7/14
8:29 am-4:02 pm
1 stop8h 33m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 9/5
5:59 pm-8:59 pm
2 stops26h 00m
Washington, D.C. Reagan-National
Tue 9/9
8:59 am-12:06 am
2 stops16h 07m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 7/1
10:04 pm-12:00 pm
1 stop12h 56m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 9/13
6:09 am-10:15 am
Nonstop3h 06m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 9/13
6:00 am-12:45 pm
1 stop5h 45m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Tue 7/22
2:14 pm-9:02 pm
1 stop5h 48m
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 69 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 $336). 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 19% on flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.
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.
The most flights from IAH to DCA are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 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).
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James,Apr 2025
LAX - SFO
Food
Crew
Comfort
Boarding
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Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Food
Crew
Comfort
Boarding
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$99 | Average$191 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$143 | Average$301 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$211 | Average$303 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$248 | Average$386 | FlexibilityNo cancel fee | On-time69% |