Check the IAH Depart tab online for current security wait times at all terminals before heading to the airport.
Round-trip from | $111 (Kiwi.com) |
---|---|
One-way from | $63 (FlightHub) |
Popular in | April |
Cheapest in | October |
Average price | $270 |
Good round-trip deal | $135 or less |
Good one-way deal | $113 or less |
Fly from
Fly to
Route
Depart
Return
Price
HoustonBaltimore
IAH - BWI
IAHBWI
Houston George Bush Intcntl
Mon 9/22
5:50 am-9:58 am
Nonstop3h 08m
Baltimore/Washington
Mon 10/6
6:10 am-8:39 am
Nonstop3h 29m
HoustonWashington, D.C.
IAH - IAD
IAHIAD
Houston George Bush Intcntl
Tue 8/12
7:05 am-12:19 am
1 stop16h 14m
Washington, D.C. Dulles Intl
Sat 8/16
4:07 pm-10:20 pm
1 stop7h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Sat 10/18
10:55 am-5:43 pm
1 stop5h 48m
Washington, D.C. Reagan-National
Sat 10/18
8:40 pm-11:16 pm
Nonstop3h 36m
HoustonWashington, D.C.
IAH - IAD
IAHIAD
Houston George Bush Intcntl
Thu 8/21
5:51 pm-12:16 am
1 stop5h 25m
Washington, D.C. Dulles Intl
Sun 8/24
5:18 pm-10:39 pm
1 stop6h 21m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 8/13
7:00 am-9:57 pm
1 stop13h 57m
Washington, D.C. Reagan-National
Sat 9/13
1:00 pm-9:14 pm
1 stop9h 14m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Fri 10/31
1:35 pm-9:00 pm
1 stop6h 25m
Washington, D.C. Reagan-National
Mon 11/3
9:00 am-5:47 pm
1 stop9h 47m
HoustonWashington, D.C.
IAH - IAD
IAHIAD
Houston George Bush Intcntl
Sat 9/6
6:35 pm-8:46 am
2 stops13h 11m
Washington, D.C. Dulles Intl
Sun 9/7
11:47 am-5:49 pm
1 stop7h 02m
HoustonWashington, D.C.
IAH - IAD
IAHIAD
Houston George Bush Intcntl
Thu 9/4
7:20 am-11:28 am
Nonstop3h 08m
Washington, D.C. Dulles Intl
Sat 9/6
11:03 am-1:17 pm
Nonstop3h 14m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 8/27
5:00 am-12:59 pm
1 stop6h 59m
Washington, D.C. Reagan-National
Wed 8/27
7:59 pm-10:12 pm
Nonstop3h 13m
HoustonWashington, D.C.
IAH - DCA
IAHDCA
Houston George Bush Intcntl
Wed 8/20
5:20 am-11:34 am
1 stop5h 14m
Washington, D.C. Reagan-National
Wed 8/20
7:38 pm-11:56 pm
1 stop5h 18m
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston George Bush Intcntl Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. (average of $241). Flying from Houston George Bush Intcntl Airport to Washington, D.C. in March is currently the most expensive (average of $290). 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 George Bush Intcntl Airport to Washington, D.C. in the evening. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Washington, D.C. flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from IAH to WAS are scheduled on a Tuesday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Crew
Boarding
Entertainment
Comfort
Food
Overall
Reviews
Jonathan,Jul 2025
SEA - BOS
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$96 | Average$199 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$102 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$144 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$177 | Average$310 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$197 | Average$391 | FlexibilityNo cancel fee | On-time69% |