£112 Cheap Flights from Houston (HOU) to Washington (DCA)

View £112 flight on Sat, 13 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at £112 for one-way flights and £223 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£223 Return, found 4 hours ago
£223
Return
found 4 hours ago
Select Delta flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £223 found 4 hours ago
Delta
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£262 Return, found 4 hours ago
£262
Return
found 4 hours ago
Select Delta flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £262 found 4 hours ago
American Airlines
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£266 Return, found 4 hours ago
£266
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £266 found 4 hours ago
American Airlines
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£305 Return, found 4 hours ago
£305
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £305 found 4 hours ago
Delta
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£321 Return, found 4 hours ago
£321
Return
found 4 hours ago
Select Delta flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £321 found 4 hours ago
American Airlines
Sat, 13 Sep - Wed, 24 Sep
HOU
Houston
DCA
Washington
£326 Return, found 4 hours ago
£326
Return
found 4 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Houston to Washington, returning Wed, 24 Sep, priced at £326 found 4 hours ago

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

February is typically the cheapest month to fly

From £83 - £274 per traveller.

Graph displaying average flight prices per month

Flight from Houston to Washington route information
Origin airport
George Bush Intercontinental
Destination airport
Ronald Reagan Washington National
Return price
£208
Distance
1929 km
Average flight time
4 hours 16 mins

Compare flights from Houston to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Houston to Washington. Operating between them 4 flights per day, 8 airlines cover the route. And Southwest Airlines fly direct, getting you to Ronald Reagan Washington National in just 4hours. If you have a preferred carrier, use our advanced search tool to find the right flight from William P. Hobby to Ronald Reagan Washington National.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from William P. Hobby (HOU) to Ronald Reagan Washington National (DCA)

The easiest way to view the best deals on flights from Houston to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from William P. Hobby to Ronald Reagan Washington National start at just £223 and range up to £326.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Houston and Washington
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Houston to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from William P. Hobby to Ronald Reagan Washington National for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from HOU to National Airport?
Start packing your bags, because round-trip flights from HOU to DCA start from £223. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA)?
Most flights can be cancelled online, but each air carrier has different terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from William P. Hobby Airport (HOU) to National Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for William P. Hobby Airport to DCA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from HOU to National Airport?
The flying distance from William P. Hobby Airport (HOU) to Ronald Reagan Washington National Airport (DCA) is 1,950 kilometres. Close your eyes or get stuck into a book and the trip will zip on by.
Which airlines fly direct from HOU to Ronald Reagan Washington National Airport (DCA)?
Check out the fares with Southwest Airlines (WN) if you want to travel straight from William P. Hobby Airport (HOU) to DCA. This top carrier operates 86 flights monthly, so you're sure to find one that suits your schedule.
Are William P. Hobby Airport (HOU) to DCA flight tickets cheaper when they're purchased at the last minute?
Booking your trip from William P. Hobby Airport to DCA last minute could save you some cash. However, it could end up costing you a whole lot more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

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