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George Bush Intcntl

$150+ 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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — IAH
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
1 adult, Economy
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Find cheap flights from Reagan-National to George Bush Intcntl with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston George Bush Intcntl are usually found in August or October, booked 83 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap 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 July 3, 2026.

This Trip.com deal was found by Cheapflights users on 6/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Wed 8/56:14 pm
IAH
-
DCA
1 stop26h 45m
Frontier
Deal found 6/28$273
This CheapOair deal was found by Cheapflights users on 6/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:59 pm
DCA
-
IAH
1 stop8h 15m
Multiple Airlines
Sun 8/911:53 am
IAH
-
DCA
1 stop10h 06m
Multiple Airlines
Deal found 6/28$274
This Super.com deal was found by Cheapflights users on 6/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Sat 8/86:30 am
IAH
-
DCA
1 stop9h 29m
Frontier
Deal found 6/28$275
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:56 pm
DCA
-
IAH
Nonstop3h 18m
American Airlines
Tue 8/45:00 pm
IAH
-
DCA
Nonstop3h 16m
American Airlines
Deal found 6/28$278
This Frontier deal was found by Cheapflights users on 6/28. 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.
Mon 10/51:59 pm
DCA
-
IAH
1 stop11h 10m
Frontier
Sat 10/106:30 am
IAH
-
DCA
1 stop9h 26m
Frontier
Deal found 6/28$279
This Super.com deal was found by Cheapflights users on 7/2. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Wed 8/56:14 pm
IAH
-
DCA
1 stop17h 37m
Frontier
Deal found 7/2$280
This Super.com deal was found by Cheapflights users on 6/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Wed 8/126:14 pm
IAH
-
DCA
1 stop21h 45m
Frontier
Deal found 6/28$281
This Orbitz deal was found by Cheapflights users on 7/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/216:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Mon 8/246:30 am
IAH
-
DCA
1 stop9h 29m
Frontier
Deal found 7/2$282
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:35 pm
DCA
-
IAH
1 stop4h 57m
American Airlines
Sat 8/156:49 am
IAH
-
DCA
Nonstop3h 10m
American Airlines
Deal found 6/28$283
This CheapOair deal was found by Cheapflights users on 6/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:59 pm
DCA
-
IAH
1 stop8h 15m
Frontier
Mon 8/106:14 pm
IAH
-
DCA
1 stop26h 45m
Frontier
Deal found 6/28$284
This Expedia deal was found by Cheapflights users on 7/2. 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.
Tue 7/216:00 pm
DCA
-
IAH
1 stop17h 34m
Frontier
Tue 7/286:30 am
IAH
-
DCA
1 stop29h 21m
Frontier
Deal found 7/2$285
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 8/51:48 pm
DCA
-
IAH
Nonstop3h 31m
American Airlines
Thu 8/611:14 am
IAH
-
DCA
Nonstop3h 10m
American Airlines
Deal found 6/29$286

Find 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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$273
(Trip.com)

One-way from

$150
(Super.com)

Popular in

June

Cheapest in

August

Average price

$442

Good round-trip deal

$459 or less

Good one-way deal

$241 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Houston George Bush Intcntl flights.
Search Deals
From Washington, D.C. Reagan-National to Houston George Bush Intcntl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.
Search Deals

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 July 3, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 9/5

12:29 pm-6:41 pm

1 stop7h 12m

Houston George Bush Intcntl

Mon 9/7

5:09 pm-11:48 pm

1 stop5h 39m

$323

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 8/25

12:57 pm-3:17 pm

Nonstop3h 20m

Houston George Bush Intcntl

Wed 8/26

2:17 pm-6:26 pm

Nonstop3h 09m

$339

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 8/14

6:00 am-8:19 am

Nonstop3h 19m

Houston George Bush Intcntl

Sat 8/22

4:45 pm-8:55 pm

Nonstop3h 10m

$347

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 7/29

2:55 pm-5:14 pm

Nonstop3h 19m

Houston George Bush Intcntl

Sat 8/29

4:45 pm-8:55 pm

Nonstop3h 10m

$368
Quickest round-trip

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 8/28

12:57 pm-3:17 pm

Nonstop3h 20m

Houston George Bush Intcntl

Mon 8/31

6:05 pm-10:13 pm

Nonstop3h 08m

$381

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 10/9

6:30 pm-11:57 pm

1 stop6h 27m

Houston George Bush Intcntl

Wed 10/14

10:58 am-6:37 pm

1 stop6h 39m

$396

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Mon 10/5

10:10 am-3:56 pm

1 stop6h 46m

Houston George Bush Intcntl

Thu 10/15

5:20 am-11:32 am

1 stop5h 12m

$428

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sun 10/11

6:00 am-11:15 am

1 stop6h 15m

Houston George Bush Intcntl

Thu 10/15

10:58 am-6:37 pm

1 stop6h 39m

$428

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sun 8/9

8:20 am-10:41 am

Nonstop3h 21m

Houston George Bush Intcntl

Fri 8/14

4:55 pm-9:05 pm

Nonstop3h 10m

$445

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 10/10

9:32 am-3:01 pm

1 stop6h 29m

Houston George Bush Intcntl

Wed 10/14

12:10 pm-6:25 pm

1 stop5h 15m

$488

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 21 resultsSorted by cheapest first
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Compare providers for flights from Reagan-National to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to George Bush Intcntl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

The best time to book flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport is 82 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 $323). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $548). 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 July 3, 2026.

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 33% 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 27, 2026.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?

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

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 July 3, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andFrontier 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
9,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

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
9,931 reviews
United Airlines
7.4
Good
9,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

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
7.1
Good
11,763 reviews
United Airlines
7.4
Good
9,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

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
5.6
Fair
2,846 reviews
United Airlines
7.4
Good
9,931 reviews

Boarding

7.7

Comfort

7.3

Food

6.7

Overall

7.4

Entertainment

7.1

Crew

8.1

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 3h 20m. Delta provides one of the quickest options available for as low as $339. The distance between Washington, D.C. Reagan-National Airport and Houston George Bush Intcntl Airport is about 1206 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $135. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $277 and $281, respectively. Frontier is priced at 70% 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 United Airlines, which is currently one of the cheapest options available, starting at $88. Frontier flights start at $94 while deals on American Airlines start at $120 one-way.

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

    Consider Air New Zealand (76%), United Airlines (76%) or Emirates (64%) 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 $170. While the most popular route (Washington, D.C. Reagan-National - Houston George Bush Intcntl) can be booked for $249 on average, our data indicates $1,079 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 $323). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $548). 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
Katy
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

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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.
Baltimore to Hobby flights
Reagan-National to Hobby flights
Dulles Intl to Hobby flights
Baltimore to George Bush Intcntl flights
Dulles Intl 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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$238FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$277Average$425FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$281Average$475FlexibilityNo cancel feeOn-time69%

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