$174 Cheap Flights from Houston (HOU) to Washington (DCA)

View $174 flight on Fri, Feb 20, 2026Opens 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 $174 for one-way flights and $310 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Dec 31 - Mon, Jan 5
HOU
Houston
DCA
Washington
$310 Roundtrip, found 2 days ago
$310
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Dec 31 from Houston to Washington, returning Mon, Jan 5, priced at $310 found 2 days ago
Southwest Airlines
Thu, Dec 18 - Thu, Jan 1
HOU
Houston
DCA
Washington
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 18 from Houston to Washington, returning Thu, Jan 1, priced at $314 found 3 days ago

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

February is typically the cheapest month to fly

From $110 - $380 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 40 minutes. Flights from $104
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center40 min
Flights from $104
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 36 minutes. Flights from $230
IAD
Washington Dulles Intl.
Average driving time to city center36 min
Flights from $230

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) cost?
Lock in a cheap one-way flight from $174 or cheap return flight from $310 from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
Flying in December can help you save, as it's the cheapest month for flights between HOU and DCA. You'll usually find the lowest fares during the off-season.
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 William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from HOU to DCA. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
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.

Travel information

Origin airport
William P. Hobby
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$300
Distance
1216 mi
Average flight time
5 hours 22 mins

Book with confidence

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 December. 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 $174 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.

 

Houston to Washington Flights

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*Available to One Key members.