George Bush Intcntl

$123+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — IAH
Jun 19 — Jun 261
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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 May 20, 2026.

This Frontier deal was found by Cheapflights users on 5/18. 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.
Tue 8/186:00 pm
DCA
-
IAH
1 stop7h 44m
Frontier
Thu 8/206:30 am
IAH
-
DCA
1 stop9h 27m
Frontier
Deal found 5/18$244
This Frontier deal was found by Cheapflights users on 5/18. 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.
Tue 8/186:00 pm
DCA
-
IAH
1 stop7h 44m
Frontier
Sun 8/239:59 pm
IAH
-
DCA
1 stop13h 58m
Frontier
Deal found 5/18$250
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:59 pm
DCA
-
IAH
1 stop11h 41m
Frontier
Thu 8/1310:08 pm
IAH
-
DCA
1 stop13h 43m
Frontier
Deal found 5/17$258
This CheapOair deal was found by Cheapflights users on 5/18. 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 7/236:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Tue 7/286:14 pm
IAH
-
DCA
1 stop17h 37m
Frontier
Deal found 5/18$259
This CheapOair deal was found by Cheapflights users on 5/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Tue 7/286:14 pm
IAH
-
DCA
1 stop17h 37m
Frontier
Deal found 5/17$260
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Thu 8/1310:08 pm
IAH
-
DCA
1 stop13h 43m
Frontier
Deal found 5/17$263
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 pm
DCA
-
IAH
1 stop7h 44m
Frontier
Sat 6/610:25 pm
IAH
-
DCA
1 stop13h 34m
Frontier
Deal found 5/15$264
This Trip.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 pm
DCA
-
IAH
1 stop7h 44m
Frontier
Wed 7/86:30 am
IAH
-
DCA
1 stop29h 21m
Frontier
Deal found 5/15$265
This Frontier deal was found by Cheapflights users on 5/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Fri 8/710:08 pm
IAH
-
DCA
1 stop13h 43m
Frontier
Deal found 5/17$269
This Frontier deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:59 pm
DCA
-
IAH
1 stop11h 10m
Frontier
Tue 9/296:50 am
IAH
-
DCA
1 stop9h 06m
Frontier
Deal found 5/15$270
This Mytrip deal was found by Cheapflights users on 5/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/77:00 am
DCA
-
IAH
1 stop18h 40m
Frontier
Mon 8/106:30 am
IAH
-
DCA
1 stop14h 29m
Frontier
Deal found 5/17$273

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 May 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Frontier)

One-way from

$123
(Kiwi.com)

Popular in

September

Cheapest in

August

Average price

$458

Good round-trip deal

$444 or less

Good one-way deal

$232 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Houston George Bush Intcntl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Houston George Bush Intcntl flights.
From Washington, D.C. Reagan-National to Houston George Bush Intcntl
One-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl
High demand for flights, 4% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Houston George Bush Intcntl.

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 May 20, 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
Quickest round-trip

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 7/9

6:00 am-8:13 am

Nonstop3h 13m

Houston George Bush Intcntl

Wed 7/22

2:20 pm-6:31 pm

Nonstop3h 11m

$387

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 9/15

9:00 am-4:28 pm

1 stop8h 28m

Houston George Bush Intcntl

Mon 9/28

1:15 pm-10:21 pm

1 stop8h 06m

$399

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 6/25

6:59 am-11:23 am

1 stop5h 24m

Houston George Bush Intcntl

Mon 6/29

5:40 am-12:42 pm

1 stop6h 02m

$407

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 7/10

4:59 pm-7:27 pm

Nonstop3h 28m

Houston George Bush Intcntl

Fri 7/24

2:20 pm-6:31 pm

Nonstop3h 11m

$457

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 10/22

7:00 am-12:20 pm

1 stop6h 20m

Houston George Bush Intcntl

Sun 10/25

11:50 am-7:14 pm

1 stop6h 24m

$458

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Mon 8/24

7:29 am-9:52 am

Nonstop3h 23m

Houston George Bush Intcntl

Tue 8/25

10:22 am-2:24 pm

Nonstop3h 02m

$466

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 7/9

7:28 pm-9:59 pm

Nonstop3h 31m

Houston George Bush Intcntl

Mon 7/13

7:50 pm-11:59 pm

Nonstop3h 09m

$477

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Wed 6/3

6:20 am-4:54 pm

1 stop11h 34m

Houston George Bush Intcntl

Wed 6/17

2:43 pm-9:46 pm

1 stop6h 03m

$481

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 6/5

10:58 am-1:19 pm

Nonstop3h 21m

Houston George Bush Intcntl

Mon 6/8

6:05 pm-10:15 pm

Nonstop3h 10m

$517

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Thu 7/2

6:59 am-1:38 pm

1 stop7h 39m

Houston George Bush Intcntl

Sun 7/5

2:10 pm-10:55 pm

1 stop7h 45m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/15

Showing 1-10 of 23 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 May.
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 $318). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $591). 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 May 20, 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 37% 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 May 16, 2026.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday 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.

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.

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 May 20, 2026.
Read reviews from past customers who have flown United Airlines,American Airlines, andSpirit Airlines 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.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

Boarding

7.7

Overall

7.4

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 13m. United Airlines provides one of the quickest options available for as low as $387. 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 Spirit Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $58. Additional round-trip tickets that might be worth considering are offered by Frontier and American Airlines, with the lowest prices starting at $135 and $233, respectively. Spirit Airlines is priced at 86% 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 $74. 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 United Airlines (86%), Air New Zealand (86%) or Emirates (86%) 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 $172. While the most popular route (Washington, D.C. Reagan-National - Houston George Bush Intcntl) can be booked for $332 on average, our data indicates $860 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 $318). Flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport in September is currently the most expensive (average of $591). 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
Jersey Village
Humble
Conroe
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.

Top 4 airlines flying from Reagan-National to George Bush Intcntl

Discover the top 4 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 May 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$58Average$109FlexibilityNo cancel feeOn-time65%
FrontierCheapest$135Average$226FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$233Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$452FlexibilityNo cancel feeOn-time69%

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