Houston

$104+ Cheap flights from Reagan-National (DCA) to Houston

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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HOU
Oct 16 — Oct 231
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston are usually found in January or June, booked 42 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from Reagan-National to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$147
(United Airlines)

One-way from

$104
(United Airlines)

Popular in

February

Cheapest in

January

Average price

$427
From Washington, D.C. Reagan-National to Houston
One-way flight from Washington, D.C. Reagan-National to Houston
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from Reagan-National to Houston

Cheapest flights from Reagan-National to Houston
Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:00 amDCA - IAH
Nonstop3h 36mUnited Airlines
Mon 11/37:53 pmIAH - DCA
Nonstop2h 51mUnited Airlines
Deal found 9/15$147
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 10/258:40 pmDCA - IAH
Nonstop3h 39mAmerican Airlines
Mon 10/276:30 amIAH - DCA
Nonstop3h 08mAmerican Airlines
Deal found 9/14$149
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:31 pmDCA - IAH
1 stop17h 38mFrontier
Sun 10/56:15 amIAH - DCA
1 stop28h 55mFrontier
Deal found 9/14$167
This Gotogate deal was found by Cheapflights users on 9/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:00 pmDCA - IAH
1 stop11h 39mFrontier
Sun 11/98:47 pmIAH - DCA
1 stop14h 17mFrontier
Deal found 9/14$168
This Frontier deal was found by Cheapflights users on 9/14. 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 11/131:00 pmDCA - IAH
1 stop11h 39mFrontier
Tue 11/187:00 amIAH - DCA
1 stop13h 59mFrontier
Deal found 9/14$177
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/177:59 pmDCA - IAH
Nonstop3h 15mUnited Airlines
Sun 10/196:07 pmIAH - DCA
Nonstop3h 03mUnited Airlines
Deal found 9/15$178
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:00 amDCA - IAH
Nonstop3h 18mUnited Airlines
Mon 10/277:53 pmIAH - DCA
Nonstop2h 51mUnited Airlines
Deal found 9/15$179
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/92:56 pmDCA - IAH
Nonstop3h 23mUnited Airlines
Sun 10/127:30 amIAH - DCA
Nonstop3h 04mUnited Airlines
Deal found 9/15$181
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:00 amDCA - IAH
Nonstop3h 18mUnited Airlines
Mon 10/207:50 pmIAH - DCA
Nonstop3h 00mUnited Airlines
Deal found 9/15$182
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 pmDCA - IAH
1 stop18h 09mFrontier
Fri 10/39:08 pmIAH - DCA
1 stop18h 51mFrontier
Deal found 9/14$184
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/241:00 pmDCA - IAH
1 stop11h 36mFrontier
Sun 10/266:00 amIAH - DCA
1 stop29h 04mFrontier
Deal found 9/14$187
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 pmDCA - IAH
1 stop18h 09mFrontier
Fri 10/36:15 amIAH - DCA
1 stop28h 55mFrontier
Deal found 9/14$189

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Houston 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 September 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Houston that are best for you.

Fly from

Reagan-National

Fly to

Houston

Route

Depart

Return

Price

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 12/4

11:00 am-1:35 pm

Nonstop3h 35m

Houston George Bush Intcntl

Sun 12/7

7:33 am-11:32 am

Nonstop2h 59m

$147

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sun 11/2

7:59 pm-10:36 pm

Nonstop3h 37m

Houston George Bush Intcntl

Fri 11/7

12:00 pm-3:58 pm

Nonstop2h 58m

$147

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 11/13

2:51 pm-5:25 pm

Nonstop3h 34m

Houston George Bush Intcntl

Mon 11/17

6:10 pm-10:09 pm

Nonstop2h 59m

$147

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 10/14

7:59 pm-10:13 pm

Nonstop3h 14m

Houston George Bush Intcntl

Fri 10/17

6:07 pm-10:10 pm

Nonstop3h 03m

$227

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 11/12

8:15 am-10:56 am

Nonstop3h 41m

Houston George Bush Intcntl

Sun 11/16

9:49 am-1:49 pm

Nonstop3h 00m

$227

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 10/8

4:47 pm-7:10 pm

Nonstop3h 23m

Houston George Bush Intcntl

Mon 10/13

7:50 pm-11:50 pm

Nonstop3h 00m

$231

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 11/5

7:59 am-1:27 pm

1 stop6h 28m

Houston Hobby

Sat 11/8

10:13 am-5:20 pm

1 stop6h 07m

$237

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 10/29

7:59 am-1:28 pm

1 stop6h 29m

Houston Hobby

Sat 11/8

10:13 am-6:33 pm

1 stop7h 20m

$237

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 10/15

12:31 pm-5:48 pm

1 stop6h 17m

Houston Hobby

Wed 10/22

10:13 am-5:17 pm

1 stop6h 04m

$237

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 10/22

6:05 am-11:29 am

1 stop6h 24m

Houston George Bush Intcntl

Wed 10/22

4:21 pm-9:43 pm

1 stop4h 22m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 44 results
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The best insider tips for Washington, D.C. Reagan-National Airport to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Reagan-National Airport to Houston trip
Airports
DCA

Reserve parking in advance at DCA, as lots fill quickly. Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

Read more about DCAby Emily Zemler
IAH

For a quick ride to downtown Houston from IAH, consider Uber or Lyft. It's faster than public transport.

Read more about IAHby Evie Carrick
HOU

Use a map app for real-time traffic info when traveling to HOU, as I-45 can be congested during peak hours.

Read more about HOUby Scott Laird
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more
Scott Laird

Scott Laird

Expert on HOU

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

Best time to book a flight from Reagan-National to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Reagan-National 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 Washington, D.C. Reagan-National Airport to Houston

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Houston. Price data was last updated on September 12, 2025.

Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $230). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $330). 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 DCA to HOU?

Find hourly flight availability from Reagan-National to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Washington, D.C. Reagan-National Airport to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 15% versus a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Houston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston flight should consider departing on Wednesday 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.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Houston. 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.

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Houston. 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 Washington, D.C. Reagan-National Airport to Houston?

    Airlines like United Airlines, Delta, and Southwest fly from Washington, D.C. Reagan-National Airport to Houston in about 3h 20m. The time it takes to get you to your destination can typically vary by up to 3h 08m. Airlines will cover a distance of 1216 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?

    Our cheapest airline available from Washington, D.C. Reagan-National Airport to Houston is Spirit Airlines. Our recent data shows that you can find tickets from as low as $108 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $131 and $202 round-trip. Spirit Airlines is currently priced 71% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Houston are United Airlines ($104), Frontier ($112), and Delta ($119).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Washington, D.C. Reagan-National - Houston Hobby) can be booked for $147 on average, our data indicates $309 when flying from Washington, D.C. Reagan-National Airport to Houston.

  • Can I find deals for flights from Reagan-National to Houston that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Houston?

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

  • Can I find deals for business class flights from Reagan-National to Houston?

    Yes. Cheapflights offers flight deals from Reagan-National to Houston 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 Washington, D.C. Reagan-National Airport to Houston?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $230). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $330). 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.

See more FAQs

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Alternative routes for Reagan-National to Houston

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Reagan-National to Houston

Discover the top 5 airlines that operate flights from Reagan-National to Houston. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$200FlexibilityNo cancel feeOn-time65%
FrontierCheapest$131Average$244FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$202Average$367FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$224Average$358FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$264Average$405FlexibilityNo cancel feeOn-time69%

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