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George Bush Intcntl

$120+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — IAH
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 Thursday

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 junio 18, 2025.

Round-trip from

$200
(Frontier)

One-way from

$120
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$396

Good round-trip deal

$352 or less

Good one-way deal

$212 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. 1% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 18, 2025.

This Frontier deal was found by Cheapflights users on 6/16. 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.
vie. 7/41:00 pmDCA - IAH
1 stop11h 43mFrontier
jue. 7/106:00 amIAH - DCA
1 stop9h 59mFrontier
Deal found 6/16$200
This American Airlines deal was found by Cheapflights users on 6/16. 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.
mié. 11/56:59 amDCA - IAH
Nonstop3h 12mAmerican Airlines
sáb. 11/810:09 amIAH - DCA
Nonstop3h 06mAmerican Airlines
Deal found 6/16$231
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/136:59 amDCA - IAH
1 stop6h 03mDelta
sáb. 8/165:45 amIAH - DCA
1 stop5h 55mDelta
Deal found 6/16$251
This United Airlines deal was found by Cheapflights users on 6/16. 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.
jue. 7/104:59 pmDCA - IAH
Nonstop3h 20mUnited Airlines
lun. 7/145:00 amIAH - DCA
1 stop5h 59mUnited Airlines
Deal found 6/16$279
This Kissandfly.com deal was found by Cheapflights users on 6/16. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/84:05 pmDCA - IAH
2 stops19h 19mMultiple Airlines
jue. 7/106:00 amIAH - DCA
1 stop9h 59mMultiple Airlines
Deal found 6/16$345
This JetBlue deal was found by Cheapflights users on 6/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/2410:30 amDCA - IAH
1 stop6h 34mJetBlue
mié. 7/911:58 amIAH - DCA
1 stop7h 00mJetBlue
Deal found 6/17$438
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/258:59 amDCA - IAH
2 stops16h 07mAlaska Airlines
vie. 8/295:59 pmIAH - DCA
1 stop21h 07mAlaska Airlines
Deal found 6/16$471

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 junio 18, 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

vie. 7/4

1:00 pm-11:43 pm

1 stop11h 43m

Houston George Bush Intcntl

jue. 7/10

6:00 am-4:59 pm

1 stop9h 59m

$200

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

vie. 9/5

7:59 pm-10:19 pm

Nonstop3h 20m

Houston George Bush Intcntl

mar. 9/9

5:09 pm-9:20 pm

Nonstop3h 11m

$250

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mié. 8/13

6:59 am-12:02 pm

1 stop6h 03m

Houston George Bush Intcntl

sáb. 8/16

5:45 am-12:40 pm

1 stop5h 55m

$251

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jue. 7/10

2:54 pm-5:15 pm

Nonstop3h 21m

Houston George Bush Intcntl

lun. 7/14

7:50 pm-11:59 pm

Nonstop3h 09m

$269

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

lun. 7/21

8:29 am-4:02 pm

1 stop8h 33m

Houston George Bush Intcntl

mar. 7/22

11:58 am-8:03 pm

1 stop7h 05m

$312

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mar. 7/8

4:05 pm-10:24 am

2 stops19h 19m

Houston George Bush Intcntl

jue. 7/10

6:00 am-4:59 pm

1 stop9h 59m

$345

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

lun. 8/25

8:59 am-12:06 am

2 stops16h 07m

Houston George Bush Intcntl

vie. 8/29

5:59 pm-4:06 pm

1 stop21h 07m

$471

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mié. 9/10

6:59 am-9:24 am

Nonstop3h 25m

$120

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mar. 9/9

10:11 am-5:08 pm

1 stop7h 57m

$126

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

lun. 9/8

7:59 am-1:43 pm

1 stop6h 44m

$136

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Showing 1-10 of 13 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 June 13, 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 junio 18, 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 45% 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 June 15, 2025.

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

Weekly flight availability from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport

Explore weekly flight availability from Reagan-National to George Bush Intcntl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 18, 2025.

The most flights from DCA to IAH are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 junio 18, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from Washington, D.C. to Houston. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,809 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,923 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $200. Additional round-trip tickets that might be worth considering are offered by American Airlines and Delta, with the lowest prices starting at $250 and $251, respectively. Frontier is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $120. Delta flights start at $126 while deals on JetBlue start at $136 one-way.

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

    Consider Emirates (87%), Air New Zealand (79%) or United Airlines (77%) 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 $128. While the most popular route (Washington, D.C. Reagan-National - Houston George Bush Intcntl) can be booked for $269 on average our data indicates $749 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Montgomery
Humble
Spring
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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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.
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Dulles Intl to George Bush Intcntl flights
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Top 5 airlines flying from Reagan-National to George Bush Intcntl

Discover the top 5 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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$124Average$144FlexibilityNo cancel feeOn-time65%
FrontierCheapest$137Average$220FlexibilityNo cancel feeOn-time62%
DeltaCheapest$216Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$337FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$259Average$395FlexibilityNo cancel feeOn-time69%

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