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George Bush Intcntl

$90+ Cheap flights from Reagan-National (DCA) to George Bush Intcntl (IAH)

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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — IAH
Aug 26 — Sep 21
Tue 8/26
Tue 9/2
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston George Bush Intcntl are usually found in January or February, booked 55 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Reagan-National to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to George Bush Intcntl (IAH). 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 August 21, 2025.

Round-trip from

$167
(CheapOair)

One-way from

$90
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$349

Good round-trip deal

$331 or less

Good one-way deal

$186 or less
From Washington, D.C. Reagan-National to Houston George Bush Intcntl
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One-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl
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Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.
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Find flight deals from Reagan-National to George Bush Intcntl

Cheapest flights from Reagan-National to George Bush Intcntl
Explore the most affordable flight options available from Reagan-National to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2025.

This CheapOair deal was found by Cheapflights users on 8/20. 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 9/51:00 pmDCA - IAH
1 stop11h 39mFrontier
Mon 9/159:08 pmIAH - DCA
1 stop23h 51mFrontier
Deal found 8/20$167
This Gotogate deal was found by Cheapflights users on 8/19. 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 9/271:00 pmDCA - IAH
1 stop9h 14mFrontier
Mon 9/296:15 amIAH - DCA
1 stop14h 44mFrontier
Deal found 8/19$168
This Booking.com deal was found by Cheapflights users on 8/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:00 pmDCA - IAH
1 stop18h 09mFrontier
Fri 9/269:08 pmIAH - DCA
1 stop18h 51mFrontier
Deal found 8/20$169
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sun 9/71:00 pmDCA - IAH
1 stop23h 09mFrontier
Wed 9/107:30 amIAH - DCA
1 stop13h 29mFrontier
Deal found 8/21$190
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Tue 9/26:00 pmDCA - IAH
1 stop27h 42mFrontier
Thu 9/49:08 pmIAH - DCA
1 stop18h 51mFrontier
Deal found 8/19$193
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sun 9/287:00 amDCA - IAH
1 stop29h 09mFrontier
Thu 10/29:08 pmIAH - DCA
1 stop18h 51mFrontier
Deal found 8/21$195
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Thu 10/167:00 amDCA - IAH
1 stop17h 36mFrontier
Mon 10/206:00 amIAH - DCA
1 stop14h 59mFrontier
Deal found 8/19$199
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Thu 9/41:00 pmDCA - IAH
1 stop23h 09mFrontier
Wed 9/107:30 amIAH - DCA
1 stop13h 29mFrontier
Deal found 8/19$200
This CheapOair deal was found by Cheapflights users on 8/19. 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.
Wed 8/201:00 pmDCA - IAH
1 stop8h 42mFrontier
Wed 9/37:30 amIAH - DCA
1 stop27h 40mFrontier
Deal found 8/19$203
This CheapOair deal was found by Cheapflights users on 8/20. 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.
Thu 9/186:00 pmDCA - IAH
1 stop18h 09mFrontier
Sun 9/219:08 pmIAH - DCA
1 stop14h 02mFrontier
Deal found 8/20$205
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Wed 9/31:00 pmDCA - IAH
1 stop8h 42mFrontier
Wed 9/107:30 amIAH - DCA
1 stop13h 29mFrontier
Deal found 8/21$207
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Sun 10/197:00 amDCA - IAH
1 stop28h 39mFrontier
Sun 10/266:00 amIAH - DCA
1 stop29h 04mFrontier
Deal found 8/21$211

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to George Bush Intcntl 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 August 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Reagan-National

Fly to

George Bush Intcntl

Route

Depart

Return

Price

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Mon 10/6

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Tue 10/7

11:36 am-9:59 pm

1 stop9h 23m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 9/4

7:00 am-11:09 am

1 stop29h 09m

Houston George Bush Intcntl

Mon 9/8

9:08 pm-4:59 pm

1 stop18h 51m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 11/1

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Wed 11/5

7:00 am-9:59 pm

1 stop13h 59m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 11/1

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Mon 11/3

8:47 pm-9:59 pm

1 stop24h 12m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/26

6:00 pm-11:09 am

1 stop18h 09m

Houston George Bush Intcntl

Sun 9/28

6:15 am-12:10 pm

1 stop28h 55m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/26

6:00 pm-11:09 am

1 stop18h 09m

Houston George Bush Intcntl

Mon 9/29

9:08 pm-9:59 pm

1 stop23h 51m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 11/7

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Tue 11/11

7:00 am-9:59 pm

1 stop13h 59m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 9/10

7:00 am-11:09 am

1 stop29h 09m

Houston George Bush Intcntl

Sun 9/14

9:08 pm-12:10 pm

1 stop14h 02m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/5

1:00 pm-11:39 pm

1 stop11h 39m

Houston George Bush Intcntl

Tue 9/9

7:30 am-4:59 pm

1 stop8h 29m

$167

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 10/29

7:00 am-3:42 pm

1 stop9h 42m

$91

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 19 results
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The best insider tips for Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport trip
Airports
DCA

For a stress-free departure, reserve parking online at DCA. The airport gets busy, and lots fill up quickly.

Read more about DCAby Emily Zemler
IAH

For a quick ride to downtown Houston, Uber or Lyft is recommended from IAH. Pick-ups are available at Terminals A, B, and C.

Read more about IAHby Evie Carrick
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

Best time to book a flight from Reagan-National to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to George Bush Intcntl. Price data was last updated on August 8, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport is 55 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 month to book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Reagan-National to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 47% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to George Bush Intcntl. Price data was last updated on August 17, 2025.

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

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated August 21, 2025.
Read reviews from past customers who have flown United Airlines, American Airlines, and Frontier from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport. 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.
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Frontier
5.8
Fair
3,207 reviews
United Airlines
7.4
Good
8,930 reviews

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to George Bush Intcntl. 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 George Bush Intcntl Airport?

    A quick flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport can take about 11h 39m. Frontier provides one of the quickest options available for as low as $167. The distance between Washington, D.C. Reagan-National Airport and Houston George Bush Intcntl Airport is about 1206 mi.

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

    Flying on Frontier is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $236 and $266, respectively. Frontier is priced at 63% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?

    Consider Mesa Airlines (100%), United Airlines (73%) or Air New Zealand (72%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport.

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

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Washington, D.C. Reagan-National - Houston George Bush Intcntl) can be booked for $167 on average our data indicates $944 when flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport.

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

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

  • How can I find direct flights from Reagan-National to George Bush Intcntl?

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

  • Can I find deals for business class flights from Reagan-National to George Bush Intcntl?

    Yes. Cheapflights offers flight deals from Reagan-National to George Bush Intcntl 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 George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Humble
The Woodlands
Conroe
Tomball
Katy
Jersey Village
Cypress

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Alternative routes for Reagan-National to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Hobby flights
Baltimore to Hobby flights
Dulles Intl to Hobby flights
Dulles Intl to George Bush Intcntl flights
Baltimore to George Bush Intcntl flights

Top 3 airlines flying from Reagan-National to George Bush Intcntl

Discover the top 3 airlines that operate flights from Reagan-National to George Bush Intcntl. 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 August 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$233FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$266Average$387FlexibilityNo cancel feeOn-time69%

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