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CA $156 Cheap Flights from Houston (IAH) to Washington (DCA)

View CA $156 flight on Wed, Aug 19, 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 CA $156 for one-way flights and CA $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, Aug 14 - Tue, Aug 18
IAH
Houston
DCA
Washington
CA $378 Roundtrip, found 4 days ago
CA $378
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Fri, Aug 14 from Houston to Washington, returning Tue, Aug 18, priced at CA $378 found 4 days ago
American Airlines
Thu, Sep 10 - Wed, Sep 16
IAH
Houston
DCA
Washington
CA $379 Roundtrip, found 1 day ago
CA $379
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Sep 10 from Houston to Washington, returning Wed, Sep 16, priced at CA $379 found 1 day ago
American Airlines
Wed, Nov 4 - Tue, Nov 10
IAH
Houston
DCA
Washington
CA $382 Roundtrip, found 3 days ago
CA $382
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Nov 4 from Houston to Washington, returning Tue, Nov 10, priced at CA $382 found 3 days ago
JetBlue Airways
Tue, Aug 11 - Tue, Aug 18
IAH
Houston
DCA
Washington
CA $390 Roundtrip, found 4 days ago
CA $390
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Aug 11 from Houston to Washington, returning Tue, Aug 18, priced at CA $390 found 4 days ago
Delta
Thu, Sep 10 - Wed, Sep 16
IAH
Houston
DCA
Washington
CA $394 Roundtrip, found 1 day ago
CA $394
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 10 from Houston to Washington, returning Wed, Sep 16, priced at CA $394 found 1 day ago
Delta
Wed, Nov 4 - Tue, Nov 10
IAH
Houston
DCA
Washington
CA $397 Roundtrip, found 3 days ago
CA $397
Roundtrip
found 3 days ago
Select Delta flight, departing Wed, Nov 4 from Houston to Washington, returning Tue, Nov 10, priced at CA $397 found 3 days ago
American Airlines
Sat, Sep 5 - Tue, Sep 8
IAH
Houston
DCA
Washington
CA $406 Roundtrip, found 4 days ago
CA $406
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Sep 5 from Houston to Washington, returning Tue, Sep 8, priced at CA $406 found 4 days ago
Delta
Thu, Sep 10 - Wed, Sep 16
IAH
Houston
DCA
Washington
CA $407 Roundtrip, found 1 day ago
CA $407
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 10 from Houston to Washington, returning Wed, Sep 16, priced at CA $407 found 1 day ago
United
Wed, Nov 4 - Tue, Nov 10
IAH
Houston
DCA
Washington
CA $508 Roundtrip, found 3 days ago
CA $508
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 4 from Houston to Washington, returning Tue, Nov 10, priced at CA $508 found 3 days ago
Alaska Airlines
Sat, Oct 10 - Wed, Oct 14
IAH
Houston
DCA
Washington
CA $1,091 Roundtrip, found 2 days ago
CA $1,091
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Oct 10 from Houston to Washington, returning Wed, Oct 14, priced at CA $1,091 found 2 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. Average driving time to city centre is 40 minutes. Flights from CA $763
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city centre40 min
Flights from CA $763

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

February is typically the cheapest month to fly

From CA $182 - CA $376 per traveller.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) cost?
You can find one-way and return flights from IAH to DCA with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when IAH to DCA ticket fares go up or down.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
The cheapest months to fly from IAH to DCA are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
You have 2 airlines offering direct flights from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National):
  • United operates 62 direct flights from IAH to DCA every week.
  • American Airlines operates 36 direct flights from IAH to DCA every week.
How do I find cheap flights from Houston, TX (IAH) to Washington, DC (DCA)?
To find a cheap flight from Houston, TX (IAH) to Washington, DC (DCA), 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) to Washington, DC (DCA-Ronald Reagan Washington National) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, United typically offers the lowest fares. American Airlines offers the most daily flights from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National), which is great 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)?
You'll find approximately 14 nonstop flights per day from George Bush Intercontinental (IAH) to Ronald Reagan Washington National (DCA). For even more choices, 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 around 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January, November, and December. An early departure like this can help you make the most of 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 typically find the most flights from George Bush Intercontinental (IAH) to Ronald Reagan Washington National (DCA) on a Friday, with around 61 flights available. This gives you a good selection of options if you're planning a weekend trip or need to travel at the end of the week. Major airlines on this route include United, American Airlines, and Delta.
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. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer these early flights to get a head start on their day in Washington, DC.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
A nonstop flight from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National) typically takes around 3 hours 18 minutes. This route covers a distance of approximately 1,941 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 6 hours, while flights with two or more stops generally take about 9 hours 48 minutes. Keep in mind that these are average times, and your actual flight duration can vary due to factors like layover length, specific routing, and even weather conditions.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to Washington, DC (DCA-Ronald Reagan Washington National)?
Yes, you can fly business class or first class between IAH and DCA. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.
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, DC (DCA) from Houston, TX (IAH)?
If you're planning to travel to Washington from George Bush Intercontinental (IAH), you can fly directly into Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Portland Intl. (PDX), Seattle - Tacoma Intl. (SEA), or 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) to Washington, DC (DCA)?
If you booked your Houston, TX (IAH) to Washington, DC (DCA) 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
American Airlines, Delta, JetBlue Airways
Roundtrip price
CA $378
Distance
1929 km
Average flight time
4 hours 11 mins

Book with confidence

Houston to Washington Flights

The easy way to book your flights from Houston to Washington 

With Expedia, it’s simple to find and book flights to Washington from Houston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Ronald Reagan Washington National, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Houston to Washington today, tomorrow, or this week.  

 

Save dollars with cheap flights from George Bush Intercontinental, IAH to Ronald Reagan Washington National, DCA 

Sort your search results by price to find great deals on your flight from Houston to Washington—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Washington from Houston currently is just CA $378 rising to CA $1,091.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Washington  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Washington from Houston 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Washington with Expedia today.

Houston to Washington Flights

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*Available to Expedia members.