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 $138 on this airline. Additional options worth looking into are Southwest and Frontier, starting at $207 and $210 round-trip. You may be able to fly from Houston to Washington, D.C. for 50% 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 Spirit Airlines, with whom users have recently found tickets for as low as $73. However, be on the lookout for offers from Avelo Airlines and Southwest, 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 66 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, August is the cheapest month in which you can book a flight from Houston to Washington, D.C. (average of $309). Flying from Houston to Washington, D.C. in June is currently the most expensive (average of $373). 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 Wednesday at noon 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.

Weekly flight availability from Houston to Washington, D.C.

The most flights from HO1 to WAS are scheduled on a Sunday (5 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

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 - Baltimore/Washington, Houston Hobby - Washington, D.C. Dulles Intl or Houston Hobby - Washington, D.C. Reagan-National 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: American Airlines, Delta or Spirit Airlines.

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

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 42% on the overall cost on flights from Houston to Washington, D.C..

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

Travelers have found it’s best to book a flight 58 days in advance to save up to 80% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 58 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Houston to Washington, D.C. 1-2 weeks in advance for as low as $209, or $371 for flights within the next 24 hours.

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

Our data shows that October tends to be the cheapest month to fly to Washington, D.C. from Houston. Users have commonly found prices around $277 for the month, but tickets can be as low as $91. Due to multiple factors, prepare for potentially higher prices in March.

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 afternoon. By choosing this option you can save up to 26% 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.

$73+ Flights from Houston to Washington, D.C. - Compare & Save Big

Round-trip from	$138 (Cheapflightsfares)
One-way from	$73 (Cheapflightsfares)
Popular in	March
Cheapest in	October
Average price	$279

IAH

Check the IAH website for security wait times at all terminals to plan your arrival and avoid delays.

DCA

DCA is easily accessible via public transportation with a dedicated Metro stop on the Yellow and Blue lines, making it the most affordable option.

IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap and convenient option to get to the airport.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$49	Average$203	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$62	Average$207	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$144	Average$324	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$168	Average$398	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$198	Average$466	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$234	Average$368	FlexibilityNo cancel fee	On-time63%

$73+ 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 5/13. 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 May, booked 66 days in advance, depart on a Thursday or Tuesday and return on a Friday

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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 abril 29, 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 abril 29, 2025.

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

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

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Houston with our price prediction graph.

Cheapflights Insights

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 April 25, 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 abril 29, 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.

Weekly flight availability from Houston to Washington, D.C.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Alaska Airlines, Southwest and Delta from Houston to Washington, D.C. have to say. Reviews also offer insight into each airline's 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.

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.?

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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 abril 29, 2025.