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District of Columbia

$134+ Cheap flights from Houston to District of Columbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — IAD
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheap flight deals from Houston to District of Columbia

Cheapest flights from Houston to District of Columbia
Explore the most affordable flight options available from Houston to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.

This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:30 am
IAH
-
DCA
1 stop9h 29m
Frontier
Tue 9/87:00 am
DCA
-
IAH
1 stop18h 55m
Frontier
Deal found 7/28$248
This Frontier deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:08 am
IAH
-
IAD
1 stop10h 10m
Frontier
Thu 9/179:04 pm
IAD
-
IAH
1 stop11h 13m
Frontier
Deal found 7/28$248
This Frontier deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:30 am
IAH
-
DCA
1 stop9h 29m
Frontier
Thu 8/271:59 pm
DCA
-
IAH
1 stop8h 20m
Frontier
Deal found 7/28$249
This Expedia deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:45 pm
IAH
-
IAD
1 stop19h 22m
Frontier
Tue 9/18:59 am
IAD
-
IAH
1 stop28h 59m
Frontier
Deal found 7/28$249
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:35 am
IAH
-
DCA
1 stop9h 24m
Frontier
Sat 8/226:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Deal found 7/27$250
This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:32 pm
IAH
-
IAD
1 stop5h 20m
Frontier
Sat 8/228:39 pm
IAD
-
IAH
1 stop11h 41m
Frontier
Deal found 7/27$250
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:25 am
HOU
-
DCA
2 stops6h 45m
Southwest
Tue 9/1511:40 am
DCA
-
HOU
1 stop4h 30m
Southwest
Deal found 7/24$252
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:55 am
IAH
-
IAD
1 stop6h 45m
Frontier
Wed 8/198:39 pm
IAD
-
IAH
1 stop11h 41m
Frontier
Deal found 7/27$252
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:32 pm
IAH
-
IAD
1 stop23h 46m
Frontier
Sat 9/127:00 am
IAD
-
IAH
2 stops13h 26m
Frontier
Deal found 7/26$253
This Trip.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:25 am
IAH
-
DCA
1 stop9h 34m
Frontier
Mon 9/146:00 pm
DCA
-
IAH
1 stop7h 43m
Frontier
Deal found 7/26$254
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:32 pm
IAH
-
IAD
1 stop23h 42m
Frontier
Sun 9/137:50 am
IAD
-
IAH
2 stops12h 36m
Frontier
Deal found 7/28$254
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/104:44 pm
IAH
-
DCA
Nonstop3h 18m
American Airlines
Fri 9/111:44 pm
DCA
-
IAH
Nonstop3h 24m
American Airlines
Deal found 7/24$255

Find flight deals from Houston to District of Columbia

Keep the following information in mind while searching for Houston to District of Columbia flight deals. Data was last updated July 29, 2026.

Round-trip from

$248
(Expedia)

One-way from

$134
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$381
From Houston to District of Columbia
Search Deals
One-way flight from Houston to District of Columbia
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Houston to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 8/29

6:30 am-4:59 pm

1 stop9h 29m

Washington, D.C. Reagan-National

Mon 8/31

6:00 pm-12:40 am

1 stop7h 40m

$248

HoustonWashington, D.C.

HOU - DCA

HOUDCA

Houston Hobby

Wed 9/2

11:25 am-7:10 pm

2 stops6h 45m

Washington, D.C. Reagan-National

Thu 9/3

6:55 am-12:40 pm

1 stop6h 45m

$256

HoustonWashington, D.C.

HOU - DCA

HOUDCA

Houston Hobby

Sat 8/22

6:40 am-12:30 pm

1 stop4h 50m

Washington, D.C. Reagan-National

Sat 8/29

6:00 am-11:10 am

2 stops6h 10m

$256

HoustonWashington, D.C.

HOU - DCA

HOUDCA

Houston Hobby

Wed 8/19

1:13 pm-9:45 pm

1 stop7h 32m

Washington, D.C. Reagan-National

Sat 8/22

4:00 pm-9:23 pm

1 stop6h 23m

$261

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Wed 9/16

11:00 am-5:11 pm

1 stop5h 11m

Washington, D.C. Dulles Intl

Mon 9/28

8:08 am-1:18 pm

1 stop6h 10m

$261

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Mon 10/19

5:28 pm-12:31 am

1 stop6h 03m

Washington, D.C. Dulles Intl

Thu 10/22

4:44 pm-11:09 pm

1 stop7h 25m

$261

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 10/29

12:07 pm-4:09 pm

Nonstop3h 02m

Washington, D.C. Reagan-National

Mon 11/2

12:50 pm-3:29 pm

Nonstop3h 39m

$269

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Tue 9/15

4:45 pm-8:56 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Wed 9/16

8:31 am-10:52 am

Nonstop3h 21m

$269
Quickest round-trip

HoustonWashington, D.C.

HOU - DCA

HOUDCA

Houston Hobby

Mon 9/14

6:25 pm-10:25 pm

Nonstop3h 00m

Washington, D.C. Reagan-National

Thu 9/17

6:50 am-9:05 am

Nonstop3h 15m

$269

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Wed 8/26

6:40 pm-10:45 pm

Nonstop3h 05m

Washington, D.C. Dulles Intl

Wed 9/2

12:57 pm-3:17 pm

Nonstop3h 20m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Houston to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to District of Columbia

What is the cheapest month to book a flight from Houston to District of Columbia?

Currently, October is the cheapest month in which you can book a flight from Houston to District of Columbia (average of $277). Flying from Houston to District of Columbia in June is currently the most expensive (average of $506). 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.

What is the cheapest time of day to fly from HOU to DC?

Find hourly flight availability from Houston to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.

One of the essential ways to save on airfare from Houston to District of Columbia is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 23% on airfare.

How much does it cost to fly round-trip from Houston to District of Columbia?

Airfare is typical for this route at the moment.
Houston to District of Columbia flights typically cost between $232 and $547 in September.
The cheapest round-trip price found within the last 5 days was $248 on Frontier (Sep 17-Sep 17).

How far ahead should I book a flight from Houston to District of Columbia?

The best time to book flights from Houston to District of Columbia is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from Houston to District of Columbia?

Use this chart to determine the cheapest time to fly round-trip from Houston to District of Columbia. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Houston to District of Columbia flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated July 29, 2026.
See what other customers who have flown with Southwest,United Airlines, andAmerican Airlines from Houston to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Southwest
8.0
Very good
4,228 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
United Airlines
7.4
Good
10,052 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
American Airlines
7.1
Good
11,839 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.
Frontier
5.6
Fair
2,749 reviews
Southwest
8.0
Very good
4,228 reviews

Food

7.0

Overall

8.0

Crew

8.6

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Related info for your journey

Find useful and relevant information for your journey from Houston to District of Columbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to District of Columbia?

    Frontier, Southwest, and Delta can get you from Houston to District of Columbia in just under 6h 45m. Your travel time can differ by up to 2h 44m. There are 1216 mi between Houston and District of Columbia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Houston to District of Columbia one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $32. However, be on the lookout for offers from Southwest and Delta, as they are both options that can get you from Houston to District of Columbia for a low price.

  • What are the most popular routes from Houston to District of Columbia?

    When deciding which route to take from Houston to District of Columbia consider Houston Hobby - Washington, D.C. Reagan-National, Houston George Bush Intcntl - Washington, D.C. Reagan-National or Houston Hobby - Washington, D.C. Dulles Intl as they are the most popular.

  • Can I find deals for flights from Houston to District of Columbia that include hotel bookings?

    Yes. In addition to deals on Houston to District of Columbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to District of Columbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to District of Columbia.

  • Can I find deals for business class flights from Houston to District of Columbia?

    Yes. Cheapflights offers flight deals from Houston to District of Columbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to District of Columbia?

    Currently, October is the cheapest month in which you can book a flight from Houston to District of Columbia (average of $277). Flying from Houston to District of Columbia in June is currently the most expensive (average of $506). 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.

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Alternative routes for Houston to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Houston to District of Columbia

Discover the top 4 airlines that operate flights from Houston to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$259FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$148Average$452FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$176Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$457FlexibilityNo cancel feeOn-time63%

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