How much does it cost to fly round-trip from Houston to Washington, D.C.?

Airfare is below average for this route at the moment. Houston to Washington, D.C. flights typically cost between $225 and $417 in December. The cheapest round-trip price found within the last 3 days was $104 on Multiple Airlines (Dec 23-Dec 25).

How long is the flight from Houston to Washington, D.C.?

Departing from Houston to Washington, D.C. will take you 3h 02m. The distance between Houston and Washington, D.C. is about 1233 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Our cheapest airline available from Houston to Washington, D.C. is Spirit Airlines. Our recent data shows that you can find tickets from as low as $54 on this airline. Additional options worth looking into are Frontier and Delta, starting at $128 and $144 round-trip. You may be able to fly from Houston to Washington, D.C. for 79% less than the average price by searching for these airlines.

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

The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $69. However, be on the lookout for offers from United Airlines and Frontier, as they are both options that can get you from Houston to Washington, D.C. for a low price.

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

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Houston to Washington, D.C. (average of $50). Flying from Houston to Washington, D.C. in July is currently the most expensive (average of $124). 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.?

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

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 most popular routes from Houston to Washington, D.C.?

Most travelers choose Houston Hobby - Washington, D.C. Reagan-National, Houston Hobby - Baltimore/Washington or Houston Hobby - Washington, D.C. Dulles Intl when deciding on the best route from Houston to Washington, D.C..

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

Before booking your flight from Houston to Washington, D.C. check out the most popular airlines for this route: United Airlines, Southwest or Frontier.

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

It’s optimal to fly from Houston to Washington, D.C. in the evening. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.

Can I find deals for flights from Houston to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Houston to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to Washington, D.C.?

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

Can I find deals for business class flights from Houston to Washington, D.C.?

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

$58+ Cheap Flights from Houston to Washington, D.C.

Round-trip from	$104 (Kiwi.com)
One-way from	$58 (CheapOair)
Popular in	March
Cheapest in	October
Average price	$320

IAH

Check the IAH Depart tab online for current security wait times to ensure a smooth departure.

HOU

HOU's single terminal means you can arrive closer to your flight’s departure time, minimizing wait times.

DCA

DCA's Metro stop on the Yellow and Blue lines offers a clean, affordable way to reach D.C. destinations.

IAD

The Silver line Metro connects IAD to D.C. in under 40 minutes, offering a cost-effective travel option.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$54	Average$211	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$72	Average$238	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$144	Average$339	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$147	Average$420	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$150	Average$386	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$185	Average$340	FlexibilityNo cancel fee	On-time63%

$58+ Cheap flights from Houston to Washington, D.C. (WAS)

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 12/18. 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. are usually found in October or September, booked 80 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Find flight deals from Houston to Washington, D.C.

Cheapest flights from Houston to Washington, D.C.Explore the most affordable flight options available from Houston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

Explore the most affordable flight options available from Houston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

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Best time to book a flight from Houston to Washington, D.C.

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Everything you need to know about your flight from Houston to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Washington, D.C.. Price data was last updated on November 7, 2025.

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

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

Find hourly flight availability from Houston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

What is the cheapest day to fly from Houston to Washington, D.C.?

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

How much does it cost to fly round-trip from Houston to Washington, D.C.?

The best insider tips for Houston to Washington, D.C. flights

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

Airports

IAH

HOU

DCA

IAD

Our travel experts

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Houston to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated 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 Washington, D.C.. 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 Houston to Washington, D.C.?

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

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

What are the most popular routes from Houston to Washington, D.C.?

Can I find deals for flights from Houston to Washington, D.C. that include hotel bookings?

How can I find direct flights from Houston to Washington, D.C.?

Can I find deals for business class flights from Houston to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

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Alternative routes for Houston to Washington, D.C.

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Top 6 airlines flying from Houston to Washington, D.C.

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Cheapest flights from Houston to Washington, D.C.
Explore the most affordable flight options available from Houston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.