£185 Cheap Flights from Houston (IAH) to Washington (DCA)

View £185 flight on Wed, 3 Jun 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Ronald Reagan National Airport (DCA)

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

Prices were available within the past 7 days and start at £185 for one-way flights and £332 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 28 May - Wed, 3 Jun
IAH
Houston
DCA
Washington
£332 Return, found 2 days ago
£332
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 28 May from Houston to Washington, returning Wed, 3 Jun, priced at £332 found 2 days ago
JetBlue Airways
Thu, 28 May - Wed, 3 Jun
IAH
Houston
DCA
Washington
£336 Return, found 2 days ago
£336
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 28 May from Houston to Washington, returning Wed, 3 Jun, priced at £336 found 2 days ago
JetBlue Airways
Wed, 3 Jun - Wed, 10 Jun
IAH
Houston
DCA
Washington
£342 Return, found 1 day ago
£342
Return
found 1 day ago
Select JetBlue Airways flight, departing Wed, 3 Jun from Houston to Washington, returning Wed, 10 Jun, priced at £342 found 1 day ago
JetBlue Airways
Wed, 17 Jun - Wed, 24 Jun
IAH
Houston
DCA
Washington
£344 Return, found 3 hours ago
£344
Return
found 3 hours ago
Select JetBlue Airways flight, departing Wed, 17 Jun from Houston to Washington, returning Wed, 24 Jun, priced at £344 found 3 hours ago
JetBlue Airways
Wed, 17 Jun - Wed, 24 Jun
IAH
Houston
DCA
Washington
£354 Return, found 3 hours ago
£354
Return
found 3 hours ago
Select JetBlue Airways flight, departing Wed, 17 Jun from Houston to Washington, returning Wed, 24 Jun, priced at £354 found 3 hours ago
JetBlue Airways
Mon, 14 Sept - Thu, 17 Sept
IAH
Houston
DCA
Washington
£360 Return, found 6 days ago
£360
Return
found 6 days ago
Select JetBlue Airways flight, departing Mon, 14 Sept from Houston to Washington, returning Thu, 17 Sept, priced at £360 found 6 days ago
American Airlines
Mon, 11 May - Tue, 12 May
IAH
Houston
DCA
Washington
£413 Return, found 4 days ago
£413
Return
found 4 days ago
Select American Airlines flight, departing Mon, 11 May from Houston to Washington, returning Tue, 12 May, priced at £413 found 4 days ago
Delta
Mon, 11 May - Tue, 12 May
IAH
Houston
DCA
Washington
£428 Return, found 4 days ago
£428
Return
found 4 days ago
Select Delta flight, departing Mon, 11 May from Houston to Washington, returning Tue, 12 May, priced at £428 found 4 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
IAH
Houston
DCA
Washington
£463 Return, found 2 days ago
£463
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Houston to Washington, returning Wed, 3 Jun, priced at £463 found 2 days ago
United
Mon, 11 May - Tue, 12 May
IAH
Houston
DCA
Washington
£480 Return, found 4 days ago
£480
Return
found 4 days ago
Select United flight, departing Mon, 11 May from Houston to Washington, returning Tue, 12 May, priced at £480 found 4 days ago

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 centre is 40 minutes. Flights from £234
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city centre40 min
Flights from £234

Frequently asked questions

Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
Enter IAH to DCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) (IAH) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA) will differ from traveller to traveller. If you like to fly early, AA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. AA offers the most daily flights from Houston, TX (IAH-George Bush Intercontinental) (IAH) to Washington, DC (DCA-Ronald Reagan Washington National) (DCA), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
There are approximately 14 nonstop flights per day from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National). For even more choice, look at flights that include layovers, as there are around 88 connecting flights per day. Some common connection points include Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) typically departs at approximately 5:00 AM local time. This service is operated by American Airlines and is seasonal, active in January, November, and December. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll find the most flights from George Bush Intercontinental (IAH) to Ronald Reagan Washington National (DCA) on a Friday, with around 58 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines. Friday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from George Bush Intercontinental (IAH) to Ronald Reagan Washington National (DCA) are in the early morning, from 6am to 9am. Approximately 28% of passengers prefer this time window. Many major carriers, including American Airlines and Delta Air Lines, offer flights during this window. This timing works well for business travelers and those looking to arrive in Washington, DC early in the day.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
Flying nonstop from IAH to DCA takes around 3 hours, with the route covering approximately 1,206 miles. Flights with a layover typically take 3 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
Select the "Business class" and "First class" filters when looking for IAH to DCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from George Bush Intercontinental (IAH)?
From George Bush Intercontinental (IAH), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), Dallas-Fort Worth Intl. (DFW) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Ronald Reagan Washington National
Airlines serving
Alaska Airlines, JetBlue Airways
Return price
£332
Distance
1929 km
Average flight time
4 hours 7 mins

Book with confidence

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 flights per day, 20 airlines cover the route. And fly direct, getting you to Ronald Reagan Washington National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from George Bush Intercontinental 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 George Bush Intercontinental (IAH) 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 George Bush Intercontinental to Ronald Reagan Washington National start at just £332 and range up to £480.  

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 May, 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 George Bush Intercontinental 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.  

Compare flights from Houston to Washington easily and book with confidence

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