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$79+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — HOU
Mrz 5 — Mrz 121
Do 3/5
Do 3/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston are usually found in June or July, booked 80 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap 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 Februar 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Mi 3/48:00 am
DCA
-
IAH
1 stop12h 14m
Frontier
Mi 3/116:45 am
IAH
-
DCA
1 stop14h 14m
Frontier
Deal found 2/2$147
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mo 2/232:00 pm
DCA
-
IAH
1 stop11h 33m
Frontier
Do 2/266:39 am
IAH
-
DCA
1 stop9h 20m
Frontier
Deal found 2/2$148
This Frontier deal was found by Cheapflights users on 2/3. 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.
Sa 2/212:00 pm
DCA
-
IAH
1 stop11h 33m
Frontier
Di 2/248:45 am
IAH
-
DCA
1 stop12h 14m
Frontier
Deal found 2/3$159
This Trip.com deal was found by Cheapflights users on 1/31. 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.
Mi 2/188:00 am
DCA
-
IAH
1 stop12h 14m
Frontier
Mi 2/258:45 am
IAH
-
DCA
1 stop9h 14m
Frontier
Deal found 1/31$167
This Expedia deal was found by Cheapflights users on 2/2. 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.
Mi 2/188:00 am
DCA
-
IAH
1 stop16h 32m
Frontier
Mo 2/236:39 am
IAH
-
DCA
1 stop29h 36m
Frontier
Deal found 2/2$169
This Frontier deal was found by Cheapflights users on 2/3. 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.
Mi 2/258:00 am
DCA
-
IAH
1 stop12h 14m
Frontier
Mo 3/910:56 pm
IAH
-
DCA
1 stop13h 06m
Frontier
Deal found 2/3$173
This Trip.com deal was found by Cheapflights users on 2/2. 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.
Mi 2/188:00 am
DCA
-
IAH
1 stop12h 14m
Frontier
Di 2/248:45 am
IAH
-
DCA
1 stop27h 30m
Frontier
Deal found 2/2$174
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Fr 3/66:00 pm
DCA
-
IAH
1 stop29h 01m
Frontier
Mo 3/910:56 pm
IAH
-
DCA
1 stop13h 06m
Frontier
Deal found 2/2$178
This Frontier deal was found by Cheapflights users on 2/3. 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.
Di 2/178:00 am
DCA
-
IAH
1 stop12h 14m
Frontier
Di 2/248:45 am
IAH
-
DCA
1 stop12h 14m
Frontier
Deal found 2/3$180
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sa 3/72:00 pm
DCA
-
IAH
1 stop9h 01m
Frontier
Di 3/105:49 pm
IAH
-
DCA
2 stops27h 10m
Frontier
Deal found 2/1$182
This Frontier deal was found by Cheapflights users on 2/2. 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.
Mo 2/232:00 pm
DCA
-
IAH
1 stop11h 33m
Frontier
Mo 3/910:56 pm
IAH
-
DCA
1 stop13h 06m
Frontier
Deal found 2/2$183
This Southwest deal was found by Cheapflights users on 2/1. 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.
Mi 5/136:00 am
DCA
-
HOU
Nonstop3h 30m
Southwest
Sa 5/163:55 pm
HOU
-
DCA
Nonstop3h 00m
Southwest
Deal found 2/1$227

Find 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 Februar 3, 2026.

Round-trip from

$147
(Kiwi.com)

One-way from

$79
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$429
From Washington, D.C. Reagan-National to Houston
Search Deals
One-way flight from Washington, D.C. Reagan-National to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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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 Februar 3, 2026.
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

Sa 2/21

6:00 am-8:42 am

Nonstop3h 42m

Houston George Bush Intcntl

Di 2/24

11:55 am-3:55 pm

Nonstop3h 00m

$257

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fr 5/1

11:05 am-1:37 pm

Nonstop3h 32m

Houston George Bush Intcntl

Mo 5/4

7:35 am-11:40 am

Nonstop3h 05m

$327

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Di 4/28

6:00 am-8:31 am

Nonstop3h 31m

Houston George Bush Intcntl

So 5/3

7:35 am-11:40 am

Nonstop3h 05m

$327

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Do 3/12

8:00 am-10:47 am

Nonstop3h 47m

Houston George Bush Intcntl

Sa 3/14

7:32 pm-11:32 pm

Nonstop3h 00m

$334

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Di 4/7

6:00 am-8:30 am

Nonstop3h 30m

Houston Hobby

Sa 4/11

8:20 am-2:00 pm

1 stop4h 40m

$340

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Fr 5/1

5:00 pm-9:15 pm

1 stop5h 15m

Houston Hobby

Mo 5/4

1:20 pm-6:55 pm

1 stop4h 35m

$342

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Sa 4/18

2:40 pm-7:40 pm

2 stops6h 00m

Houston Hobby

Mo 4/20

2:35 pm-11:00 pm

2 stops7h 25m

$356

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Mi 3/4

1:55 pm-4:45 pm

Nonstop3h 50m

Houston Hobby

Do 3/5

8:20 am-12:10 pm

Nonstop2h 50m

$360

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sa 2/28

11:00 am-1:44 pm

Nonstop3h 44m

Houston George Bush Intcntl

Di 3/3

7:50 pm-11:50 pm

Nonstop3h 00m

$363

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Mi 2/25

6:00 am-8:42 am

Nonstop3h 42m

Houston George Bush Intcntl

Mi 3/4

7:35 am-11:35 am

Nonstop3h 00m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 41 results
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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 January 30, 2026.

Booking 80 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $122). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $269). 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 Februar 3, 2026.

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 28% versus a flight at noon.

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 August 31, 2025.

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

How often are flights from Washington, D.C. to Houston delayed?

About 14% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 156 minutes.

What is the most punctual flight time for Washington, D.C. to Houston flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Houston flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

The best insider tips for Washington, D.C. Reagan-National Airport to Houston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Reagan-National Airport to Houston trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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 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

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

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 Februar 3, 2026.
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.
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,236 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,216 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,405 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Frontier
5.7
Fair
3,051 reviews
Southwest
8.0
Very good
4,272 reviews

Comfort

8.0

Food

7.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 and Southwest fly from Washington, D.C. Reagan-National Airport to Houston in about 3h 30m. The time it takes to get you to your destination is usually consistent. Airlines will cover a distance of 1216 mi. Most flights are nonstop.

  • 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 $58 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $108 and $199 round-trip. Spirit Airlines is currently priced 85% 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 Frontier ($38), United Airlines ($88), and American Airlines ($118).

  • 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 $144. While the most popular route (Washington, D.C. Reagan-National - Houston Hobby) can be booked for $217 on average, our data indicates $337 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $122). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $269). 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.
Dulles Intl to Dallas/Fort Worth flights
Baltimore to Dallas/Fort Worth flights
Reagan-National to Hobby flights
Reagan-National to Dallas/Fort Worth flights
Dulles Intl to Hobby flights
Baltimore to Hobby flights
Reagan-National to George Bush Intcntl flights
Dulles Intl to George Bush Intcntl flights
Dulles Intl to Austin flights
Reagan-National to Austin flights
Baltimore to George Bush Intcntl flights
Baltimore to Austin flights
Dulles Intl to Love Field flights
Baltimore to Love Field flights
Dulles Intl to San Antonio flights
Reagan-National to Love Field flights
Baltimore to San Antonio flights
Reagan-National to San Antonio flights
Dulles Intl to El Paso flights
Reagan-National to El Paso flights
Baltimore to El Paso flights
Baltimore to Laredo flights
Dulles Intl to Lubbock flights
Reagan-National to Lubbock flights
Baltimore to Harlingen flights
Reagan-National to Harlingen flights
Dulles Intl to Harlingen flights
Dulles Intl to McAllen flights
Dulles Intl to Amarillo flights
Baltimore to McAllen flights
Reagan-National to Corpus Christi flights
Baltimore to Lubbock flights
Reagan-National to Amarillo flights
Dulles Intl to Corpus Christi flights
Baltimore to Amarillo flights
Dulles Intl to Midland flights
Dulles Intl to Killeen flights
Reagan-National to McAllen flights
Baltimore to Corpus Christi flights
Dulles Intl to Waco flights
Dulles Intl to Laredo flights
Dulles Intl to Brownsville flights
Baltimore to Waco flights
Reagan-National to Laredo flights
Reagan-National to Killeen flights
Reagan-National to Waco flights
Baltimore to Brownsville flights
Dulles Intl to Wichita Falls flights
Baltimore to Abilene flights
Baltimore to Killeen flights

Top 6 airlines flying from Reagan-National to Houston

Discover the top 6 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 Februar 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$178FlexibilityNo cancel feeOn-time65%
FrontierCheapest$108Average$209FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$199Average$406FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$233Average$362FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$243Average$407FlexibilityNo cancel feeOn-time69%
DeltaCheapest$288Average$368FlexibilityNo cancel feeOn-timeN/A

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