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.

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).

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

Flying to your destination on a Saturday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Houston George Bush Intcntl Airport. Check prices with Cheapflights to find a great deal for your trip.

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.

$116+ Flights from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport

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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 Tuesday and return on a Tuesday

Cheap flight deals from Reagan-National to George Bush Intcntl

Round-trip from	$177 (United Airlines)
One-way from	$116 (American Airlines)
Popular in	March
Cheapest in	January
Average price	$389
Good round-trip deal	$350 or less
Good one-way deal	$203 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 ($6 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 July 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 juillet 3, 2025.

mer. 10/87:30 amDCA - IAH

Nonstop3h 39mAmerican Airlines

mar. 10/145:19 pmIAH - DCA

Nonstop3h 06mAmerican Airlines

Deal found 7/3

$177

jeu. 8/211:00 pmDCA - IAH

1 stop11h 36mFrontier

lun. 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/2

$185

mar. 7/297:00 pmDCA - IAH

1 stop5h 57mUnited Airlines

mar. 8/54:45 pmIAH - DCA

Nonstop3h 11mUnited Airlines

Deal found 7/1

$214

jeu. 8/218:59 amDCA - IAH

1 stop6h 54mDelta

lun. 8/254:04 pmIAH - DCA

1 stop4h 44mDelta

Deal found 7/1

$237

jeu. 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

dim. 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

Best flights from Reagan-National to George Bush Intcntl
Discover carefully curated flight deals from Reagan-National to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated juillet 3, 2025.

jeu. 8/214:47 pmDCA - IAH

Nonstop3h 22mUnited Airlines

lun. 8/257:30 amIAH - DCA

Nonstop3h 06mUnited Airlines

Deal found 7/2

$177

jeu. 8/211:00 pmDCA - IAH

1 stop11h 36mFrontier

lun. 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/2

$185

lun. 8/188:59 amDCA - IAH

1 stop6h 54mDelta

mer. 8/201:07 pmIAH - DCA

1 stop5h 28mDelta

Deal found 7/3

$237

jeu. 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

dim. 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

sam. 8/3011:30 amDCA - IAH

1 stop6h 09mAmerican Airlines

jeu. 9/49:54 amIAH - DCA

Nonstop3h 25mAmerican Airlines

Deal found 7/1

$254

Last-minute flights from Reagan-National to George Bush Intcntl
Discover last-minute flight deals from Reagan-National to George Bush Intcntl. Data last updated juillet 3, 2025 and is based on user searches.

mar. 7/88:40 amDCA - IAH

1 stop8h 22mJetBlue

mar. 7/1511:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 6/30

$473

ven. 7/111:00 pmDCA - IAH

1 stop11h 36mFrontier

lun. 7/146:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/1

$267

sam. 7/124:05 pmDCA - IAH

Nonstop3h 20mUnited Airlines

jeu. 8/149:45 amIAH - DCA

Nonstop3h 11mUnited Airlines

Deal found 7/3

$427

sam. 7/126:00 amDCA - IAH

1 stop4h 59mDelta

sam. 7/123:09 pmIAH - DCA

1 stop6h 50mDelta

Deal found 7/3

$537

sam. 7/121:00 pmDCA - IAH

1 stop11h 49mMultiple Airlines

lun. 7/145:50 pmIAH - DCA

2 stops26h 52mMultiple Airlines

Deal found 7/1

$591

jeu. 7/248:40 amDCA - IAH

1 stop8h 22mJetBlue

dim. 7/2711:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/2

$251

lun. 8/188:59 amDCA - IAH

1 stop6h 54mDelta

mer. 8/201:07 pmIAH - DCA

1 stop5h 28mDelta

Deal found 7/3

$237

jeu. 8/212:59 pmDCA - IAH

Nonstop3h 22mUnited Airlines

lun. 8/254:45 pmIAH - DCA

Nonstop3h 08mUnited Airlines

Deal found 7/1

$177

jeu. 8/211:00 pmDCA - IAH

1 stop11h 36mFrontier

lun. 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Deal found 7/2

$185

sam. 8/3011:30 amDCA - IAH

1 stop6h 09mAmerican Airlines

jeu. 9/49:54 amIAH - DCA

Nonstop3h 25mAmerican Airlines

Deal found 7/1

$254

One-way flights from Reagan-National to George Bush Intcntl
Search for one-way flight options from Reagan-National to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated juillet 3, 2025.

sam. 9/208:00 pmDCA - IAH

Nonstop3h 25mAmerican Airlines

Deal found 7/3

$116

jeu. 7/171:00 pmDCA - IAH

1 stop11h 36mFrontier

Deal found 7/2

$118

mer. 9/179:40 amDCA - IAH

1 stop6h 59mDelta

Deal found 7/3

$119

lun. 8/116:00 amDCA - IAH

Nonstop3h 12mUnited Airlines

Deal found 7/2

$131

ven. 9/58:00 amDCA - IAH

1 stop6h 41mJetBlue

Deal found 7/3

$136

Cheapflights Fare Finder

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

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 8/21

4:47 pm-7:09 pm

Nonstop3h 22m

Houston George Bush Intcntl

lun. 8/25

7:30 am-11:36 am

Nonstop3h 06m

$177

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 8/21

1:00 pm-11:36 pm

1 stop11h 36m

Houston George Bush Intcntl

lun. 8/25

6:00 am-4:59 pm

1 stop9h 59m

$185

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 8/21

8:59 am-2:53 pm

1 stop6h 54m

Houston George Bush Intcntl

lun. 8/25

4:04 pm-9:48 pm

1 stop4h 44m

$237

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 7/24

8:40 am-4:02 pm

1 stop8h 22m

Houston George Bush Intcntl

dim. 7/27

11:58 am-8:03 pm

1 stop7h 05m

$251

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

sam. 8/30

11:30 am-4:39 pm

1 stop6h 09m

Houston George Bush Intcntl

jeu. 9/4

9:54 am-2:19 pm

Nonstop3h 25m

$254

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mer. 7/30

12:59 pm-3:14 pm

Nonstop3h 15m

$116

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 7/17

1:00 pm-11:36 pm

1 stop11h 36m

$118

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

mar. 8/5

12:29 pm-5:58 pm

1 stop6h 29m

$119

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

ven. 9/5

8:00 am-1:41 pm

1 stop6h 41m

$136

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

jeu. 7/24

5:00 am-9:17 am

1 stop5h 17m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

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.

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.

Our travel experts

Evie Carrick

Expert on IAH

Emily Zemler

Expert on DCA

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 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?

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?

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.

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

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).

Reviews of airlines servicing George Bush Intcntl

Read reviews from past customers who have flown Delta, United Airlines, and JetBlue 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.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,916 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,286 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport round-trip?
Flying on United Airlines is currently your cheapest option to Houston George Bush Intcntl Airport, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by Frontier and Delta, with the lowest prices starting at $185 and $237, respectively. United Airlines is priced at 53% 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 $116. Frontier flights start at $118 while deals on Delta start at $119 one-way.
What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?
Consider Emirates (80%), Air New Zealand (72%) or United Airlines (63%) 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 $177 on average our data indicates $1,455 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

Montgomery

Humble

Spring

Conroe

Tomball

Katy

Jersey Village

The Woodlands

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Top 5 airlines flying from Reagan-National to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$124	Average$146	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$137	Average$220	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$216	Average$288	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$236	Average$337	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$259	Average$394	FlexibilityNo cancel fee	On-time69%

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$116+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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 Tuesday and return on a Tuesday

Cheap flight deals from Reagan-National to George Bush Intcntl

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Reagan-National to George Bush Intcntl

Cheapest flights from Reagan-National to George Bush IntcntlExplore 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 juillet 3, 2025.

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 juillet 3, 2025.

Cheapflights Fare Finder

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.

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

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

IAH

Our travel experts

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.

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 27, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?

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 juillet 3, 2025.

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 29, 2025.

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

Reviews of airlines servicing George Bush Intcntl

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?

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

What are the most reliable airlines 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?

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

How can I 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?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston George Bush Intcntl Airport?

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Alternative routes for Reagan-National to George Bush Intcntl

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Top 5 airlines flying from Reagan-National to George Bush Intcntl

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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 juillet 3, 2025.