How long is the flight from Washington, D.C. Reagan-National Airport to Houston?

Airlines like Southwest, United Airlines, and Delta fly from Washington, D.C. Reagan-National Airport to Houston in about 3h 42m. The time it takes to get you to your destination can typically vary by up to 4h 30m. Airlines will cover a distance of 1206 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?

Our cheapest airline available from Washington, D.C. Reagan-National Airport to Houston is Frontier. Our recent data shows that you can find tickets from as low as $131 on this airline. Additional options worth looking into are Spirit Airlines and American Airlines, starting at $136 and $202 round-trip. Frontier is currently priced 65% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?

The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to Houston are Southwest ($151), American Airlines ($151), and Delta ($161).

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Houston (average of $145). Flying from Washington, D.C. Reagan-National Airport to Houston in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Houston?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Houston flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?

Looking at all options, your cheapest flight can be booked for $130. While the most popular route (Washington, D.C. Reagan-National - Houston Hobby) can be booked for $150 on average, our data indicates $334 when flying from Washington, D.C. Reagan-National Airport to Houston.

What are the most popular airlines that fly from Washington, D.C. Reagan-National Airport to Houston?

When booking a flight from Washington, D.C. Reagan-National Airport to Houston, you may want to consider flying on United Airlines, Southwest or Frontier as they are the most popular for this route.

What is the cheapest time of day to fly from DCA to HOU?

When flying from Washington, D.C. Reagan-National Airport to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the afternoon.

Can I find deals for flights from Reagan-National to Houston that include hotel bookings?

Yes. In addition to deals on Reagan-National to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Houston?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Houston.

Can I find deals for business class flights from Reagan-National to Houston?

Yes. Cheapflights offers flight deals from Reagan-National to Houston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$78+ Flights from Washington, D.C. Reagan-National Airport to Houston

Q: How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Houston?

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Reagan-National Airport to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Round-trip from	$135 (Trip.com)
One-way from	$78 (CheapOair)
Popular in	February
Cheapest in	January
Average price	$349

DCA

Reserve parking in advance at DCA, as lots fill quickly. Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

IAH

For a quick ride to downtown Houston from IAH, consider Uber or Lyft. It's faster than public transport.

HOU

Use a map app for real-time traffic info when traveling to HOU, as I-45 can be congested during peak hours.

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$131	Average$229	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$136	Average$201	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$202	Average$375	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$240	Average$376	FlexibilityNo cancel fee	On-time63%
United Airlines	Cheapest$251	Average$405	FlexibilityNo cancel fee	On-time69%

$78+ Cheap flights from Reagan-National (DCA) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Houston are usually found in January or June, booked 69 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Find flight deals from Reagan-National to Houston

Cheapest flights from Reagan-National to HoustonExplore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

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Best time to book a flight from Reagan-National to Houston

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Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Houston

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Houston. Price data was last updated on October 24, 2025.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

What is the cheapest time of day to fly from DCA to HOU?

Find hourly flight availability from Reagan-National to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Houston?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Houston. Price data was last updated on December 16, 2024.

The best insider tips for Washington, D.C. Reagan-National Airport to Houston flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Reagan-National Airport to Houston trip

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IAH

HOU

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Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Washington, D.C. Reagan-National Airport to Houston?

What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Houston round-trip?

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Houston one-way?

What are the cheapest flights from Washington, D.C. Reagan-National Airport to Houston?

Can I find deals for flights from Reagan-National to Houston that include hotel bookings?

How can I find direct flights from Reagan-National to Houston?

Can I find deals for business class flights from Reagan-National to Houston?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Houston?

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Cheapest flights from Reagan-National to Houston
Explore the most affordable flight options available from Reagan-National to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.