$62 Cheap Flights from Houston (HOU) to Washington (DCA)

View $62 flight on Wed, Oct 29, 2025Opens in a new window

Popular airlines from Houston William Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)

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Cheap Flights from Houston to Washington (HOU-DCA)

Prices were available within the past 7 days and start at $62 for one-way flights and $103 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DCA
Washington
$103 Roundtrip, found 16 hours ago
$103
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $103 found 16 hours ago
Southwest Airlines
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DCA
Washington
$113 Roundtrip, found 16 hours ago
$113
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $113 found 16 hours ago
Southwest Airlines
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DCA
Washington
$118 Roundtrip, found 16 hours ago
$118
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $118 found 16 hours ago
Southwest Airlines
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DCA
Washington
$123 Roundtrip, found 16 hours ago
$123
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $123 found 16 hours ago
Southwest Airlines
Wed, Oct 29 - Wed, Nov 5
HOU
Houston
DCA
Washington
$123 Roundtrip, found 16 hours ago
$123
Roundtrip
found 16 hours ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $123 found 16 hours ago
Southwest Airlines
Mon, Aug 11 - Thu, Aug 14
HOU
Houston
DCA
Washington
$127 Roundtrip, found 17 hours ago
$127
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Mon, Aug 11 from Houston to Washington, returning Thu, Aug 14, priced at $127 found 17 hours ago
American Airlines
Wed, Oct 29 - Wed, Nov 5
IAH
Houston
DCA
Washington
$131 Roundtrip, found 16 hours ago
$131
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $131 found 16 hours ago
United
Wed, Oct 29 - Wed, Nov 5
IAH
Houston
DCA
Washington
$131 Roundtrip, found 16 hours ago
$131
Roundtrip
found 16 hours ago
Select United flight, departing Wed, Oct 29 from Houston to Washington, returning Wed, Nov 5, priced at $131 found 16 hours ago
Delta
Wed, Sep 17 - Thu, Sep 25
HOU
Houston
DCA
Washington
$230 Roundtrip, found 20 hours ago
$230
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Sep 17 from Houston to Washington, returning Thu, Sep 25, priced at $230 found 20 hours ago
JetBlue Airways
Tue, Sep 2 - Tue, Sep 9
IAH
Houston
DCA
Washington
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Sep 2 from Houston to Washington, returning Tue, Sep 9, priced at $251 found 1 hour ago

Find the cheapest month to fly from Houston (HOU) to Washington (DCA)

February is typically the cheapest month to fly

From $110 - $352 per traveler.

Graph displaying average flight prices per month

Flights from Houston (HOU) to Washington (DCA)
Origin airport
William P. Hobby
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$103
Distance
1216 mi
Average flight time
5 hours 56 mins

Houston to Washington Flights

The cheapest times to fly from Houston to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to Washington are during the month of October. You can find some of the cheapest flights from Houston to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Washington

Sunday is one of the best days to book for cheap flights from Houston to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $62 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) cost?
Book cheap return tickets starting from $116 from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Southwest Airlines and Spirit Airlines flight leaving HOU on August 5 2025 and touching down at DCA. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from HOU to DCA?
The cheapest flights from HOU to DCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
If you're departing from William P. Hobby Airport (HOU), you can jump on a direct flight to Ronald Reagan Washington National Airport (DCA) with Southwest Airlines.
What is the cheapest airline that flies from HOU to DCA?
Right now, the cheapest carrier offering one-way flights from HOU to DCA is Southwest Airlines. You can book a seat on this route from $66. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from HOU on October 4 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
With an average of 2 direct flights that operate from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
Flights between HOU and DCA tend to be busiest at 8 AM. For a quieter trip and possibly cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from HOU to DCA?
Depart on a Friday if you're looking for the largest selection of flights from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
William P. Hobby Airport (HOU)'s first flight to Ronald Reagan Washington National Airport (DCA) takes off at approximately 8:25AM UTC-6. With a flight time of 2h 50m, you'll land at around 12:15PM UTC-5.
How long does it take to fly from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
It takes around 2 hours and 48 minutes to cover the 1,200 mi from HOU to DCA.
What airline has the least delays from HOU to DCA?
With 92% of journeys generally landing on schedule, Southwest Airlines has the best on-time performance for direct flights from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA). To check your flight status and get notified if anything changes, head to the Expedia App.
What is the best time to fly from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
To reach Ronald Reagan Washington National Airport (DCA) on time, select a flight that leaves from William P. Hobby Airport (HOU) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from William P. Hobby Airport (HOU)?
If you're leaving on a direct flight from William P. Hobby Airport (HOU) to Washington, you'll land at either Ronald Reagan Washington National Airport (DCA) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute fares from HOU to DCA are usually more expensive. To secure the best prices, start searching for flights well in advance. That being said, if you're flexible with your travel plans, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a HOU to DCA flight and hotel package?
Compared with arranging hotels and flights separately, booking a HOU to DCA flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of travel planning. Just secure your flights and select from our wide range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
If you booked your HOU to DCA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.