$115 Cheap Flights from Washington (DCA) to Houston (HOU)

View $115 flight on Mon, Oct 27, 2025Opens in a new window

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

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Cheap Flights from Washington to Houston (DCA-HOU)

Prices were available within the past 7 days and start at $115 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Fri, Oct 31 - Tue, Nov 4
DCA
Washington
HOU
Houston
$249 Roundtrip, found 3 days ago
$249
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Fri, Oct 31 from Washington to Houston, returning Tue, Nov 4, priced at $249 found 3 days ago
Southwest Airlines
Mon, Nov 3 - Mon, Nov 10
DCA
Washington
HOU
Houston
$251 Roundtrip, found 3 days ago
$251
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Nov 3 from Washington to Houston, returning Mon, Nov 10, priced at $251 found 3 days ago
Southwest Airlines
Thu, Aug 21 - Fri, Aug 22
DCA
Washington
HOU
Houston
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Aug 21 from Washington to Houston, returning Fri, Aug 22, priced at $255 found 4 days ago
American Airlines
Mon, Nov 3 - Mon, Nov 10
DCA
Washington
HOU
Houston
$259 Roundtrip, found 3 days ago
$259
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 3 from Washington to Houston, returning Mon, Nov 10, priced at $259 found 3 days ago
Southwest Airlines
Mon, Nov 3 - Mon, Nov 10
DCA
Washington
HOU
Houston
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Mon, Nov 3 from Washington to Houston, returning Mon, Nov 10, priced at $265 found 3 days ago
Southwest Airlines
Fri, Oct 24 - Tue, Oct 28
DCA
Washington
HOU
Houston
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Washington to Houston, returning Tue, Oct 28, priced at $267 found 4 days ago
Southwest Airlines
Fri, Oct 24 - Tue, Oct 28
DCA
Washington
HOU
Houston
$272 Roundtrip, found 4 days ago
$272
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Washington to Houston, returning Tue, Oct 28, priced at $272 found 4 days ago

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

February is typically the cheapest month to fly

From $110 - $296 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

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

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $248
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $248
Flights from Washington (DCA) to Houston (IAH)
Origin airport
Ronald Reagan Washington National
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$224
Distance
1206 mi
Average flight time
3 hours 4 mins

Washington to Houston Flights

The cheapest times to fly from Washington to Houston

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 Washington to Houston are during the month of October. You can find some of the cheapest flights from Washington to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Houston

Sunday is one of the best days to book for cheap flights from Washington to Houston: 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 Washington to Houston

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 Washington to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $115 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 Washington to Houston 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 Washington to Houston 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 Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU) cost?
You can pick up cheap return fares starting at $145 from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU). 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 DCA on August 14 2025 and touching down at HOU. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to HOU?
The cheapest flights from DCA to HOU 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 Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
When jetting out of Ronald Reagan Washington National Airport (DCA), you can jump on a nonstop flight to William P. Hobby Airport (HOU) with Southwest Airlines.
What is the cheapest airline that flies from DCA to HOU?
Book a flight from DCA to HOU with Southwest Airlines. This airline currently has the cheapest one-way fare for this route, starting at $105. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
When flying out of Ronald Reagan Washington National Airport (DCA), you can pick from an average of 2 daily nonstop flights to William P. Hobby Airport (HOU).
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
The 6 PM departures from DCA to HOU see the highest demand. Prices can be higher for these popular slots. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from DCA to HOU?
Travel on a Friday if you're looking for the best choice of flights from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
The first flight of the day leaving from Ronald Reagan Washington National Airport (DCA) is at around 6:00AM UTC-5. Hop on this flight and you'll reach William P. Hobby Airport (HOU) at approximately 8:45AM UTC-6. The total travel time is 3h 45m.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
Flights from DCA to HOU have an average travel time of 3 hours and 42 minutes. The total distance between these two airports is 1,200 mi.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Houston from Ronald Reagan Washington National Airport (DCA)?
You can arrive at George Bush Intercontinental Airport (IAH) or William P. Hobby Airport (HOU) when you travel to Houston on a direct flight from Ronald Reagan Washington National Airport (DCA).
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU) last-minute?
Last-minute bookings from DCA to HOU are typically more expensive. For the best rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before you leave.
Is it cheaper to book a DCA to HOU flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to HOU flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place will take the stress out of travel planning. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to William P. Hobby Airport (HOU)?
Usually, it's possible to reschedule or cancel your DCA to HOU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.