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).

Most accurate provider : When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National 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 Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$134+ Cheap Flights from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport

Q: 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 (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. Reagan-National are usually found in November or October, booked 90 days in advance, depart on a Saturday or Thursday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

Cheapest

Best

Last-minute

One-way

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 August 19, 2026.

Thu 9/1010:38 pm -

1 stop12h 33m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/16

$220

Wed 9/3010:30 am -

1 stop10h 29m

Wed 10/71:00 pm -

1 stop12h 43m

Deal found 8/16

$221

Sat 9/126:25 am -

1 stop14h 34m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/17

$223

Fri 9/116:25 am -

1 stop9h 34m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/14

$227

Wed 9/2310:30 am -

1 stop24h 41m

Sat 9/266:00 pm -

1 stop16h 35m

Deal found 8/16

$228

Wed 9/306:25 am -

1 stop28h 46m

Mon 10/56:00 pm -

1 stop7h 43m

Deal found 8/17

$229

Tue 9/156:25 am -

1 stop9h 34m

Wed 9/167:00 am -

1 stop27h 35m

Deal found 8/14

$230

Mon 9/1410:30 am -

1 stop10h 29m

Tue 9/156:00 pm -

1 stop7h 43m

Deal found 8/14

$234

Sat 9/54:42 pm -

1 stop5h 51m

Sat 9/121:06 pm -

1 stop9h 49m

Deal found 8/15

$235

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 August 19, 2026.

Tue 9/154:55 pm -

Nonstop3h 10m

Sat 9/1912:57 pm -

Nonstop3h 20m

Deal found 8/17

$297

Wed 9/24:42 pm -

1 stop5h 51m

Tue 9/86:00 am -

1 stop6h 47m

Deal found 8/16

$319

Mon 8/2410:59 am -

1 stop8h 00m

Wed 8/265:00 am -

1 stop6h 40m

Deal found 8/17

$537

Sat 9/124:45 pm -

Nonstop3h 10m

Mon 9/1412:57 pm -

Nonstop3h 20m

Deal found 8/17

$297

Tue 9/152:20 pm -

Nonstop3h 09m

Tue 9/227:29 pm -

Nonstop3h 19m

Deal found 8/18

$297

Fri 9/254:55 pm -

Nonstop3h 10m

Wed 9/306:00 am -

Nonstop3h 17m

Deal found 8/14

$306

Thu 9/177:50 pm -

Nonstop3h 09m

Sat 9/1910:58 am -

Nonstop3h 20m

Deal found 8/18

$387

Thu 9/242:20 pm -

Nonstop3h 08m

Sat 9/2612:57 pm -

Nonstop3h 19m

Deal found 8/19

$387

Wed 9/97:45 am -

Nonstop3h 09m

Tue 9/1512:52 pm -

Nonstop3h 20m

Deal found 8/14

$387

Tue 9/14:55 pm -

Nonstop3h 10m

Mon 9/147:29 pm -

Nonstop3h 19m

Deal found 8/15

$496

Fri 8/289:43 am -

Nonstop3h 16m

Sun 8/302:40 pm -

Nonstop3h 37m

Deal found 8/14

$567

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 August 19, 2026 and is based on user searches.

Sat 9/54:42 pm -

1 stop5h 51m

Sat 9/121:06 pm -

1 stop9h 49m

Deal found 8/15

$235

Thu 9/1010:38 pm -

1 stop12h 33m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/16

$220

Fri 9/116:25 am -

1 stop9h 34m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/14

$227

Sat 9/126:25 am -

1 stop14h 34m

Mon 9/146:00 pm -

1 stop7h 43m

Deal found 8/17

$223

Mon 9/1410:30 am -

1 stop10h 29m

Tue 9/156:00 pm -

1 stop7h 43m

Deal found 8/14

$234

Tue 9/156:25 am -

1 stop9h 34m

Wed 9/167:00 am -

1 stop27h 35m

Deal found 8/14

$230

Wed 9/2310:30 am -

1 stop24h 41m

Sat 9/266:00 pm -

1 stop16h 35m

Deal found 8/16

$228

Wed 9/3010:30 am -

1 stop10h 29m

Wed 10/71:00 pm -

1 stop12h 43m

Deal found 8/16

$221

Wed 9/306:25 am -

1 stop28h 46m

Mon 10/56:00 pm -

1 stop7h 43m

Deal found 8/17

$229

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 August 19, 2026.

Thu 9/176:08 am -

2 stops29h 03m

Deal found 8/18

$134

Wed 9/910:30 am -

1 stop10h 29m

Deal found 8/14

$135

Mon 9/216:08 am -

2 stops38h 51m

Deal found 8/15

$136

Fri 10/212:08 pm -

2 stops32h 51m

Deal found 8/18

$137

Sun 9/139:04 pm -

2 stops23h 55m

Deal found 8/17

$138

Fri 9/259:04 pm -

2 stops38h 07m

Deal found 8/18

$139

Tue 9/812:53 pm -

2 stops46h 18m

Deal found 8/14

$142

Mon 11/166:30 am -

1 stop9h 26m

Deal found 8/16

$143

Thu 10/159:12 pm -

2 stops18h 44m

Deal found 8/18

$145

Thu 9/109:04 pm -

2 stops18h 55m

Deal found 8/16

$147

Mon 10/267:04 am -

Nonstop3h 10m

Deal found 8/14

$149

Find flight deals from George Bush Intcntl to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$220 (Frontier)
One-way from	$134 (Kiwi.com)
Popular in	February
Cheapest in	November
Average price	$391
Good round-trip deal	$337 or less
Good one-way deal	$245 or less

Provider with most accurate pricing for Houston George Bush Intcntl-Washington, D.C. Reagan-National flight deals.

Search Deals

Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Washington, D.C. Reagan-National flights.

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

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

Search Deals

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

Search Deals

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

Cheapest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Tue 9/15

4:55 pm-9:05 pm

Nonstop3h 10m

Washington, D.C. Reagan-National

Sat 9/19

12:57 pm-3:17 pm

Nonstop3h 20m

$297

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Sat 9/12

4:45 pm-8:55 pm

Nonstop3h 10m

Washington, D.C. Reagan-National

Mon 9/14

12:57 pm-3:17 pm

Nonstop3h 20m

$297

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Tue 9/15

2:20 pm-6:29 pm

Nonstop3h 09m

Washington, D.C. Reagan-National

Tue 9/22

7:29 pm-9:48 pm

Nonstop3h 19m

$297

Quickest round-trip

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Fri 9/25

4:55 pm-9:05 pm

Nonstop3h 10m

Washington, D.C. Reagan-National

Wed 9/30

6:00 am-8:17 am

Nonstop3h 17m

$306

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Wed 9/2

4:42 pm-11:33 pm

1 stop5h 51m

Washington, D.C. Reagan-National

Tue 9/8

6:00 am-11:47 am

1 stop6h 47m

$319

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Thu 9/17

7:50 pm-11:59 pm

Nonstop3h 09m

Washington, D.C. Reagan-National

Sat 9/19

10:58 am-1:18 pm

Nonstop3h 20m

$387

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Thu 9/24

2:20 pm-6:28 pm

Nonstop3h 08m

Washington, D.C. Reagan-National

Sat 9/26

12:57 pm-3:16 pm

Nonstop3h 19m

$387

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Wed 9/9

7:45 am-11:54 am

Nonstop3h 09m

Washington, D.C. Reagan-National

Tue 9/15

12:52 pm-3:12 pm

Nonstop3h 20m

$387

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Tue 9/1

4:55 pm-9:05 pm

Nonstop3h 10m

Washington, D.C. Reagan-National

Mon 9/14

7:29 pm-9:48 pm

Nonstop3h 19m

$496

HoustonWashington, D.C.

IAH Houston George Bush Intcntl - DCA Washington, D.C. Reagan-National

IAHDCA

Houston George Bush Intcntl

Mon 8/24

10:59 am-7:59 pm

1 stop8h 00m

Washington, D.C. Reagan-National

Wed 8/26

5:00 am-10:40 am

1 stop6h 40m

$537

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 20 resultsSorted by cheapest first

Compare providers for flights from George Bush Intcntl to Reagan-National

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Reagan-National in August.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Super.com	Price Accuracy-	Trust Score*3 stars
JustAirTicket	Price 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 Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National 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 Houston George Bush Intcntl Airport-Washington, D.C. Reagan-National 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 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.

IAH-DCA

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

Prices

Airlines

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 89 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, November 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 $382). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $661). 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 in the evening, 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 afternoon.

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.

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

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights typically cost between $328 and $577 in September.
The cheapest round-trip price found within the last 5 days was $220 on Frontier (Sep 10-Sep 14).

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

Our travel experts

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

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.

Get a feel of what it's like to fly with United Airlines,American Airlines, andFrontier 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.

United Airlines

7.4

Good

10,104 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

10,104 reviews

United Airlines

7.4

Good

10,104 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.1

Good

11,963 reviews

United Airlines

7.4

Good

10,104 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Frontier

5.6

Fair

2,661 reviews

United Airlines

7.4

Good

10,104 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?
United Airlines and JetBlue can get you from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in just under 3h 10m. Your travel time can differ by up to 2h 41m. Houston George Bush Intcntl Airport and Washington, D.C. Reagan-National Airport are separated by a distance of 1206 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport round-trip?
Frontier, at $130, 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 United Airlines and American Airlines. Users have found that Frontier is 73% 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 $97. However, be on the lookout for offers from American Airlines and United 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 (100%), United Airlines (75%), Air New Zealand (68%).
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 $625, our data shows the cheapest flight currently is $155. When looking at the most popular route, (Houston George Bush Intcntl - Washington, D.C. Reagan-National), you can expect to pay $235 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, November 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 $382). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $661). 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

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Owings Mills

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Lanham

Reston

Herndon

Rockville

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Fredericksburg

Falls Church

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Laurel

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Clinton

Hunt Valley

Woodbridge

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Largo

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George Bush Intcntl to Baltimore flights

George Bush Intcntl to Dulles Intl flights

Top 3 airlines flying from George Bush Intcntl to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$130	Average$300	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$278	Average$532	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$294	Average$439	FlexibilityNo cancel fee	On-time71%

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$134+ 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 9/17. 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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Cheap 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 August 19, 2026.

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 August 19, 2026.

Best flights from George Bush Intcntl to Reagan-NationalDiscover 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 August 19, 2026.

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 August 19, 2026.

Last-minute flights from George Bush Intcntl to Reagan-NationalDiscover last-minute flight deals from George Bush Intcntl to Reagan-National. Data last updated August 19, 2026 and is based on user searches.

Discover last-minute flight deals from George Bush Intcntl to Reagan-National. Data last updated August 19, 2026 and is based on user searches.

One-way flights from George Bush Intcntl to Reagan-NationalSearch for one-way flight options from George Bush Intcntl to Reagan-National. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.

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 August 19, 2026.

Find flight deals from George Bush Intcntl to Reagan-National

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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.

Compare providers for flights from George Bush Intcntl to Reagan-National

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

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

Unlike in the evening, 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 afternoon.

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

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

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights typically cost between $328 and $577 in September.The cheapest round-trip price found within the last 5 days was $220 on Frontier (Sep 10-Sep 14).

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

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

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Alternative routes for George Bush Intcntl to Reagan-National

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George Bush Intcntl and Reagan-National flights

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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 August 19, 2026.

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 August 19, 2026.

Last-minute flights from George Bush Intcntl to Reagan-National
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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 August 19, 2026.

Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights typically cost between $328 and $577 in September.
The cheapest round-trip price found within the last 5 days was $220 on Frontier (Sep 10-Sep 14).