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.

$115+ 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 August or September, booked 53 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

Round-trip from	$177 (American Airlines)
One-way from	$115 (SmartFares)
Popular in	June
Cheapest in	August
Average price	$388
Good round-trip deal	$262 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. 4% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 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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Find flight deals from George Bush Intcntl to Reagan-National

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 31, 2025.

Fri 9/266:09 amIAH - DCA

Nonstop3h 10mAmerican Airlines

Fri 9/2611:50 amDCA - IAH

1 stop6h 34mAmerican Airlines

Deal found 7/30

$177

Wed 8/137:00 amIAH - DCA

1 stop13h 57mFrontier

Wed 8/207:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/30

$238

Wed 9/32:20 pmIAH - DCA

1 stop5h 43mUnited Airlines

Thu 9/42:59 pmDCA - IAH

Nonstop3h 22mUnited Airlines

Deal found 7/31

$287

Wed 12/247:20 amIAH - DCA

1 stop4h 40mDelta

Tue 12/307:55 pmDCA - IAH

1 stop5h 01mDelta

Deal found 7/31

$297

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 31, 2025.

Fri 9/266:09 amIAH - DCA

Nonstop3h 10mAmerican Airlines

Fri 9/2611:50 amDCA - IAH

1 stop6h 34mAmerican Airlines

Deal found 7/30

$177

Wed 8/137:00 amIAH - DCA

1 stop13h 57mFrontier

Wed 8/207:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/30

$238

Wed 9/32:20 pmIAH - DCA

1 stop5h 43mUnited Airlines

Thu 9/42:59 pmDCA - IAH

Nonstop3h 22mUnited Airlines

Deal found 7/31

$287

Thu 10/166:09 pmIAH - DCA

1 stop4h 32mDelta

Sat 10/186:00 amDCA - IAH

1 stop5h 35mDelta

Deal found 7/30

$297

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 31, 2025 and is based on user searches.

Wed 8/610:04 pmIAH - DCA

1 stop13h 00mFrontier

Wed 8/136:00 pmDCA - IAH

1 stop17h 24mFrontier

Deal found 7/29

$238

Thu 8/710:07 amIAH - DCA

1 stop5h 17mAmerican Airlines

Thu 8/76:56 pmDCA - IAH

1 stop6h 27mAmerican Airlines

Deal found 7/30

$391

Thu 8/77:20 amIAH - DCA

1 stop8h 08mUnited Airlines

Thu 8/77:59 pmDCA - IAH

Nonstop3h 20mUnited Airlines

Deal found 7/31

$499

Thu 8/710:19 amIAH - DCA

1 stop7h 36mDelta

Fri 8/157:38 pmDCA - IAH

1 stop5h 18mDelta

Deal found 7/30

$594

Wed 8/1310:04 pmIAH - DCA

1 stop13h 00mFrontier

Tue 8/197:00 amDCA - IAH

1 stop8h 42mFrontier

Deal found 7/30

$238

Tue 8/196:50 pmIAH - DCA

1 stop5h 19mAmerican Airlines

Wed 8/205:05 amDCA - IAH

1 stop6h 02mAmerican Airlines

Deal found 7/29

$196

Wed 8/277:50 pmIAH - DCA

Nonstop3h 04mUnited Airlines

Tue 9/26:00 amDCA - IAH

Nonstop3h 19mUnited Airlines

Deal found 7/30

$277

Sun 8/317:00 amIAH - DCA

1 stop4h 40mDelta

Fri 9/55:30 pmDCA - IAH

1 stop6h 57mDelta

Deal found 7/31

$297

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 31, 2025.

Sat 8/237:00 amIAH - DCA

1 stop8h 59mFrontier

Deal found 7/29

$115

Thu 8/289:50 amIAH - DCA

Nonstop3h 06mUnited Airlines

Deal found 7/31

$139

Sat 10/46:09 amIAH - DCA

Nonstop3h 10mAmerican Airlines

Deal found 7/30

$141

Sun 8/319:46 amIAH - DCA

1 stop7h 47mDelta

Deal found 7/29

$149

Mon 9/295:59 pmIAH - DCA

2 stops26h 00mAlaska Airlines

Deal found 7/30

$225

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

Fri 9/26

6:09 am-10:19 am

Nonstop3h 10m

Washington, D.C. Reagan-National

Fri 9/26

11:50 am-5:24 pm

1 stop6h 34m

$177

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 8/13

7:00 am-9:57 pm

1 stop13h 57m

Washington, D.C. Reagan-National

Wed 8/20

7:00 am-2:42 pm

1 stop8h 42m

$238

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 9/3

2:20 pm-9:03 pm

1 stop5h 43m

Washington, D.C. Reagan-National

Thu 9/4

2:59 pm-5:21 pm

Nonstop3h 22m

$287

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 10/16

6:09 pm-11:41 pm

1 stop4h 32m

Washington, D.C. Reagan-National

Sat 10/18

6:00 am-10:35 am

1 stop5h 35m

$297

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 8/23

7:00 am-4:59 pm

1 stop8h 59m

$115

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Thu 8/28

9:50 am-1:56 pm

Nonstop3h 06m

$139

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 10/4

6:09 am-10:19 am

Nonstop3h 10m

$141

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sun 8/31

9:46 am-6:33 pm

1 stop7h 47m

$149

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 9/29

5:59 pm-8:59 pm

2 stops26h 00m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 53 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 23% 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 Thursday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines 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.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Delta

8.0

Very good

7,981 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

United Airlines

7.4

Good

8,900 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Frontier

5.9

Fair

3,239 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?
American Airlines, at $177, 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 Frontier and United Airlines. Users have found that American Airlines is 52% 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 $115. However, be on the lookout for offers from United Airlines and American Airlines, 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%), United Airlines (64%), Air New Zealand (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 $362, 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

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Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$97	Average$185	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$143	Average$319	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$144	Average$336	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$177	Average$289	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$253	Average$385	FlexibilityNo cancel fee	On-time69%

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$115+ 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 8/23. 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

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. Reagan-National are usually found in August or September, booked 53 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

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Find flight deals from George Bush Intcntl to Reagan-National

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 31, 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 31, 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 July 25, 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 31, 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 July 27, 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 Washington, D.C. Reagan-National Airport?

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Alternative routes for George Bush Intcntl to Reagan-National

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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 31, 2025.