In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Reagan-National Airport.

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

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

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

Yes. Cheapflights offers flight deals from George Bush Intcntl to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$100+ Flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. Reagan-National are usually found in September or August, booked 69 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

Round-trip from	$167 (Priceline)
One-way from	$100 (Priceline)
Popular in	June
Cheapest in	September
Average price	$393
Good round-trip deal	$317 or less
Good one-way deal	$174 or less

From Houston George Bush Intcntl to Washington, D.C. Reagan-National

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One-way flight from Houston George Bush Intcntl to Washington, D.C. Reagan-National

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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($10 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 Houston George Bush Intcntl to Washington, D.C. Reagan-National.

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Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. Reagan-National.

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Cheapest flights from George Bush Intcntl to Reagan-National
Explore the most affordable flight options available from George Bush Intcntl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Mon 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Wed 8/277:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/2

$167

Tue 11/45:00 pmIAH - DCA

Nonstop3h 06mAmerican Airlines

Wed 11/52:11 pmDCA - IAH

Nonstop3h 12mAmerican Airlines

Deal found 7/3

$177

Tue 7/296:25 amIAH - DCA

1 stop5h 33mUnited Airlines

Tue 8/52:54 pmDCA - IAH

Nonstop3h 21mUnited Airlines

Deal found 6/30

$214

Thu 8/79:46 amIAH - DCA

1 stop7h 49mDelta

Mon 8/114:00 pmDCA - IAH

1 stop6h 04mDelta

Deal found 7/3

$237

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

Mon 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Wed 8/277:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/2

$167

Tue 9/95:05 pmIAH - DCA

Nonstop3h 11mAmerican Airlines

Thu 9/116:59 amDCA - IAH

Nonstop3h 25mAmerican Airlines

Deal found 7/3

$177

Tue 7/296:25 amIAH - DCA

1 stop5h 33mUnited Airlines

Tue 8/52:54 pmDCA - IAH

Nonstop3h 21mUnited Airlines

Deal found 6/30

$214

Thu 8/79:46 amIAH - DCA

1 stop7h 49mDelta

Mon 8/114:00 pmDCA - IAH

1 stop6h 04mDelta

Deal found 7/3

$237

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

Wed 7/910:04 pmIAH - DCA

1 stop13h 00mFrontier

Fri 7/111:00 pmDCA - IAH

1 stop11h 36mFrontier

Deal found 7/3

$301

Thu 7/1011:58 amIAH - DCA

1 stop7h 05mJetBlue

Wed 7/168:40 amDCA - IAH

1 stop8h 22mJetBlue

Deal found 7/2

$473

Thu 7/107:20 amIAH - DCA

1 stop6h 02mUnited Airlines

Thu 7/104:59 pmDCA - IAH

Nonstop3h 20mUnited Airlines

Deal found 7/3

$499

Fri 7/115:26 amIAH - DCA

1 stop6h 11mAmerican Airlines

Fri 7/111:37 pmDCA - IAH

1 stop5h 54mAmerican Airlines

Deal found 7/3

$421

Sat 7/125:59 pmIAH - DCA

1 stop4h 43mDelta

Thu 7/177:59 amDCA - IAH

1 stop7h 51mDelta

Deal found 7/3

$493

Thu 8/79:46 amIAH - DCA

1 stop7h 49mDelta

Mon 8/114:00 pmDCA - IAH

1 stop6h 04mDelta

Deal found 7/3

$237

Tue 8/129:45 amIAH - DCA

Nonstop3h 11mUnited Airlines

Thu 8/144:59 pmDCA - IAH

Nonstop3h 20mUnited Airlines

Deal found 7/3

$177

Mon 8/256:00 amIAH - DCA

1 stop9h 59mFrontier

Wed 8/277:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/2

$167

Wed 8/274:36 pmIAH - DCA

1 stop7h 40mAmerican Airlines

Thu 8/285:05 amDCA - IAH

1 stop6h 02mAmerican Airlines

Deal found 7/2

$183

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

Wed 7/307:00 amIAH - DCA

1 stop8h 59mFrontier

Deal found 7/3

$100

Wed 9/32:20 pmIAH - DCA

1 stop7h 23mUnited Airlines

Deal found 7/2

$109

Thu 8/75:30 amIAH - DCA

1 stop6h 11mDelta

Deal found 7/3

$119

Wed 7/2311:58 amIAH - DCA

1 stop7h 05mJetBlue

Deal found 7/1

$136

Mon 9/14:36 pmIAH - DCA

1 stop7h 15mAmerican Airlines

Deal found 7/3

$166

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 8/25

6:00 am-4:59 pm

1 stop9h 59m

Washington, D.C. Reagan-National

Wed 8/27

7:00 am-2:42 pm

1 stop8h 42m

$167

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Tue 9/9

5:05 pm-9:16 pm

Nonstop3h 11m

Washington, D.C. Reagan-National

Thu 9/11

6:59 am-9:24 am

Nonstop3h 25m

$177

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Tue 7/29

6:25 am-12:58 pm

1 stop5h 33m

Washington, D.C. Reagan-National

Tue 8/5

2:54 pm-5:15 pm

Nonstop3h 21m

$214

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 8/7

9:46 am-6:35 pm

1 stop7h 49m

Washington, D.C. Reagan-National

Mon 8/11

4:00 pm-9:04 pm

1 stop6h 04m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 7/30

7:00 am-4:59 pm

1 stop8h 59m

$100

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 9/3

2:20 pm-10:43 pm

1 stop7h 23m

$109

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 8/7

5:30 am-12:41 pm

1 stop6h 11m

$119

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 7/23

11:58 am-8:03 pm

1 stop7h 05m

$136

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 9/1

4:36 pm-12:51 am

1 stop7h 15m

$166

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport trip

Airports

IAH

Check the IAH Depart tab for current security wait times at all terminals to save time before your flight.

DCA

Use DCA's dedicated Metro stop on the Yellow and Blue lines for affordable access to downtown D.C. and nearby Maryland.

Our travel experts

Evie Carrick

Expert on IAH

Emily Zemler

Expert on DCA

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

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

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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 IAH to DCA?

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport by exploring options for tickets in the evening.

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

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

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

The most flights from IAH to DCA 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 Reagan-National

Get a feel of what it's like to fly with Delta, United Airlines, and JetBlue from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines 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 Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport round-trip?
Frontier, at $167, was found to be the cheapest airline from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Frontier is 55% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $100. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport for a low price.
What are the most reliable airlines from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport on time: Mesa Airlines (80%), Air New Zealand (67%), United Airlines (62%).
What are the cheapest flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?
While on average a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport is generally $1,081, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Houston George Bush Intcntl - Washington, D.C. Reagan-National), you can expect to pay $177 for that flight.
Can I find deals for flights from George Bush Intcntl to Reagan-National that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Reagan-National.
Can I find deals for business class flights from George Bush Intcntl to Reagan-National?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Reagan-National 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 Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport (average of $278). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). 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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

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Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

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

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$97	Average$191	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$143	Average$308	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$144	Average$336	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$211	Average$290	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$250	Average$386	FlexibilityNo cancel fee	On-time69%

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$100+ Cheap flights from George Bush Intcntl (IAH) to Reagan-National (DCA)

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 George Bush Intcntl to Reagan-National with Cheapflights

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. Reagan-National are usually found in September or August, booked 69 days in advance, depart on a Tuesday or Thursday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

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One-way from

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Good one-way deal

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Cheapest flights from George Bush Intcntl to Reagan-NationalExplore the most affordable flight options available from George Bush Intcntl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Explore the most affordable flight options available from George Bush Intcntl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

Cheapflights Fare Finder

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

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

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport trip

Airports

IAH

DCA

Our travel experts

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from George Bush Intcntl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Reagan-National. Price data was last updated on June 27, 2025.

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

What is the cheapest time of day to fly from IAH to DCA?

Find hourly flight availability from George Bush Intcntl to Reagan-National. 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, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Reagan-National. Price data was last updated on June 29, 2025.

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

Reviews of airlines servicing Reagan-National

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Reagan-National. 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 Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport round-trip?

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

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

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

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

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

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

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

Traveling to a place near Houston George Bush Intcntl Airport?

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

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Cheapest flights from George Bush Intcntl to Reagan-National
Explore the most affordable flight options available from George Bush Intcntl to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.