Reagan-National

$74+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DCA
Oct 16 — Oct 231
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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 February, booked 67 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from George Bush Intcntl to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$147
(United Airlines)

One-way from

$74
(United Airlines)

Popular in

June

Cheapest in

August

Average price

$369

Good round-trip deal

$294 or less

Good one-way deal

$153 or less
From Houston George Bush Intcntl to Washington, D.C. Reagan-National
One-way flight from Houston George Bush Intcntl to Washington, D.C. Reagan-National
Highest demand for flights based on searches. 3% potential increase in price ($12 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Houston George Bush Intcntl to Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. Reagan-National.

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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:07 pmIAH - DCA
Nonstop3h 03mUnited Airlines
Tue 10/2111:00 amDCA - IAH
Nonstop3h 22mUnited Airlines
Deal found 9/15$147
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:30 amIAH - DCA
1 stop13h 29mFrontier
Mon 10/67:00 amDCA - IAH
1 stop28h 29mFrontier
Deal found 9/14$167
This Mytrip deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:30 amIAH - DCA
1 stop27h 40mFrontier
Thu 10/26:31 pmDCA - IAH
1 stop30h 08mFrontier
Deal found 9/16$168
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amIAH - DCA
1 stop9h 59mFrontier
Sat 10/117:00 amDCA - IAH
1 stop9h 47mFrontier
Deal found 9/16$177
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/286:15 amIAH - DCA
1 stop28h 55mFrontier
Fri 10/31:00 pmDCA - IAH
1 stop23h 09mFrontier
Deal found 9/15$180
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1511:58 amIAH - DCA
Nonstop3h 04mUnited Airlines
Sun 10/197:59 pmDCA - IAH
Nonstop3h 14mUnited Airlines
Deal found 9/15$181
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:07 pmIAH - DCA
Nonstop3h 03mUnited Airlines
Mon 10/137:59 pmDCA - IAH
Nonstop3h 14mUnited Airlines
Deal found 9/15$182
This Booking.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:00 amIAH - DCA
1 stop29h 04mFrontier
Wed 10/221:00 pmDCA - IAH
1 stop22h 29mFrontier
Deal found 9/15$184
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/286:30 amIAH - DCA
Nonstop3h 08mAmerican Airlines
Tue 10/2811:44 amDCA - IAH
1 stop6h 43mAmerican Airlines
Deal found 9/13$187
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/187:25 amIAH - DCA
1 stop5h 57mAmerican Airlines
Sat 10/183:30 pmDCA - IAH
1 stop5h 38mAmerican Airlines
Deal found 9/14$196
This CheapOair deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:08 pmIAH - DCA
1 stop14h 02mFrontier
Mon 9/291:00 pmDCA - IAH
1 stop11h 39mFrontier
Deal found 9/14$197
This CheapOair deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amIAH - DCA
1 stop14h 59mFrontier
Mon 10/207:00 amDCA - IAH
1 stop17h 36mFrontier
Deal found 9/16$200

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
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

George Bush Intcntl

Fly to

Reagan-National

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Tue 10/14

6:07 pm-10:10 pm

Nonstop3h 03m

Washington, D.C. Reagan-National

Tue 10/21

11:00 am-1:22 pm

Nonstop3h 22m

$147

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Fri 10/31

12:00 pm-3:58 pm

Nonstop2h 58m

Washington, D.C. Reagan-National

Mon 11/3

2:51 pm-5:25 pm

Nonstop3h 34m

$147

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 10/15

12:55 pm-6:59 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Mon 10/20

10:20 am-3:26 pm

1 stop6h 06m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 11/19

12:35 pm-6:34 pm

1 stop4h 59m

Washington, D.C. Reagan-National

Thu 11/27

6:06 am-10:51 am

1 stop5h 45m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 10/8

1:29 pm-7:33 pm

1 stop5h 04m

Washington, D.C. Reagan-National

Tue 10/14

6:00 am-10:35 am

1 stop5h 35m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 11/19

5:30 am-11:41 am

1 stop5h 11m

Washington, D.C. Reagan-National

Wed 12/3

6:06 am-10:40 am

1 stop5h 34m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Mon 11/24

4:13 pm-9:43 pm

1 stop4h 30m

Washington, D.C. Reagan-National

Thu 11/27

6:06 am-10:51 am

1 stop5h 45m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Sat 10/18

4:00 pm-10:59 pm

1 stop5h 59m

Washington, D.C. Reagan-National

Tue 10/21

6:59 am-10:54 am

1 stop4h 55m

$237

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 12/3

1:36 pm-9:00 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Mon 12/8

9:45 am-5:48 pm

1 stop9h 03m

$279

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

Wed 12/3

1:36 pm-9:00 pm

1 stop6h 24m

Washington, D.C. Reagan-National

Tue 12/9

9:45 am-5:48 pm

1 stop9h 03m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 23 results
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The best insider tips for Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about IAHby Evie Carrick
DCA

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

Read more about DCAby Emily Zemler
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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.

Read more
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

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.

Read more

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?

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 September 12, 2025.

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 67 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?

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 September 16, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 22% 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?

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 September 14, 2025.

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.

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Reagan-National. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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.
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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!
8.0
Very good

Food

7.3

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

8.0

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

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.
  • How long is the flight from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport?

    United Airlines and Delta can get you from Houston George Bush Intcntl Airport to Washington, D.C. Reagan-National Airport in just under 3h 03m. Your travel time can differ by up to 2h 01m. 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?

    Spirit Airlines, at $99, 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 Delta. Users have found that Spirit Airlines is 73% cheaper than the other options available to this destination.

  • 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: Air New Zealand (62%), United Airlines (58%), Emirates (44%).

  • 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 $502, our data shows the cheapest flight currently is $118. When looking at the most popular route, (Houston George Bush Intcntl - Washington, D.C. Reagan-National), you can expect to pay $167 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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

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Alternative routes for George Bush Intcntl to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

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

Discover the top 5 airlines that operate flights from George Bush Intcntl to Reagan-National. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$99Average$185FlexibilityNo cancel feeOn-time65%
FrontierCheapest$143Average$306FlexibilityNo cancel feeOn-time62%
DeltaCheapest$144Average$336FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$297FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$244Average$396FlexibilityNo cancel feeOn-time69%

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