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

Our cheapest airline available from Houston to Washington, D.C. Reagan-National Airport is Frontier. Our recent data shows that you can find tickets from as low as $200 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $204 and $217 round-trip. Frontier is priced at 46% lower than the current average price of a flight leaving 3 months from now.

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

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $100. United Airlines flights start at $109 while deals on Southwest start at $109 one-way.

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

Currently, February is the cheapest month in which you can book a flight from Houston to Washington, D.C. Reagan-National Airport (average of $278). Flying from Houston to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $337). 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 Houston to Washington, D.C. Reagan-National Airport?

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

Weekly flight availability from Houston to Washington, D.C. Reagan-National Airport

The most flights from HO1 to DCA are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

While on average a flight from Houston to Washington, D.C. Reagan-National Airport is generally $275, our data shows the cheapest flight currently is $134. When looking at the most popular route, (Houston Hobby - Washington, D.C. Reagan-National), you can expect to pay $217 for that flight.

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

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

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

Saturday flights are generally found to be more expensive for flights from Houston to Washington, D.C. Reagan-National Airport. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Reagan-National Airport.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 55 days in advance, which can save you up to 131% on flights from Houston to Washington, D.C. Reagan-National Airport compared to booking the week you need them. Waiting 55 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $231. For sooner than that we have options available in the next 3 days from $365.

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

October can be a great time to fly to Washington, D.C. Reagan-National Airport from Houston with a flight ticket averaging about $277. Cheapflights users have found deals in the month of October for as cheap as $92. The most expensive prices can be found in the month of March.

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

A simple way to save on the total cost of your ticket is to fly from Houston to Washington, D.C. Reagan-National Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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

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

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

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

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

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

$100+ Flights from Houston to Washington, D.C. Reagan-National Airport

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

Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Round-trip from	$200 (Frontier)
One-way from	$100 (Frontier)
Popular in	December
Cheapest in	February
Average price	$349

IAH

Check security wait times on IAH's website to ensure a smooth departure, especially during busy travel periods.

HOU

HOU's single terminal makes it easy to navigate, with short security lines outside peak holiday periods, ensuring a quick departure process.

DCA

DCA is easily accessible via public transportation with a dedicated Metro stop on the Yellow and Blue lines, offering a clean and affordable travel option.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$67	Average$201	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$128	Average$272	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$144	Average$293	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$245	Average$447	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$249	Average$397	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$257	Average$350	FlexibilityNo cancel fee	On-time63%

$100+ Cheap flights from Houston to Reagan-National (DCA)

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 7/16. 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 Houston to Washington, D.C. Reagan-National are usually found in February or April, booked 77 days in advance, depart on a Tuesday or Thursday and return on a Friday

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Cheapest flights from Houston to Reagan-NationalExplore the most affordable flight options available from Houston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

Explore the most affordable flight options available from Houston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

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

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

Airports

IAH

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DCA

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

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Houston with our price prediction graph.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Reagan-National. Price data was last updated on June 9, 2025.

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

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

Find hourly flight availability from Houston to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

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

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

Weekly flight availability from Houston to Washington, D.C. Reagan-National Airport

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

Reviews of airlines servicing Reagan-National

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Houston to Washington, D.C. have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

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

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

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

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Top 6 airlines flying from Houston to Reagan-National

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Cheapest flights from Houston to Reagan-National
Explore the most affordable flight options available from Houston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.