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

Our cheapest airline available from Washington, D.C. to Houston is Spirit Airlines. Our recent data shows that you can find tickets from as low as $139 on this airline. Additional options worth looking into are Frontier and Southwest, starting at $148 and $177 round-trip. Spirit Airlines is 54% cheaper than the average price of flights available within the next 90 days to this destination.

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

To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $63. Frontier flights start at $70 while deals on Southwest start at $89 one-way.

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

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Houston, you should look to book at least 30 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Houston (average of $230). Flying from Washington, D.C. to Houston in March is currently the most expensive (average of $332). 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. to Houston?

Travelers seeking maximum savings on their Washington, D.C. to Houston flight should consider departing on Wednesday evenings 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 most popular routes from Washington, D.C. to Houston?

The most popular flight routes from Washington, D.C. to Houston are Baltimore/Washington - Houston Hobby, Washington, D.C. Dulles Intl - Houston Hobby and Washington, D.C. Dulles Intl - Houston George Bush Intcntl.

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

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

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

Thursday is generally a great day to depart. Flying on this day could help you save up to 37%.

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

Find a great deal and save up to 124% by booking at least 31 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Washington, D.C. to Houston within the next two weeks, with the cheapest ticket starting at $252.

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

Flights from Washington, D.C. to Houston lean towards being more expensive in November. Prices are generally better when you fly from Washington, D.C. to Houston in August, with the cheapest ticket starting at $93.

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the morning.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Washington, D.C. 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.

$63+ Flights from Washington, D.C. to Houston

Round-trip from	$139 (FlightHub)
One-way from	$63 (FlightHub)
Popular in	November
Cheapest in	August
Average price	$283

United's Economy Plus offers extra legroom seats at the front of the economy cabin.

United's Polaris Lounges offer showers, napping areas, and dining for premium passengers.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$95	Average$186	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$100	Average$212	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$177	Average$397	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$216	Average$324	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$216	Average$405	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$218	Average$368	FlexibilityNo cancel fee	On-time63%

$63+ Cheap flights from Washington, D.C. (WAS) 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 8/11. 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. to Houston are usually found in August or October, booked 30 days in advance, depart on a Friday or Wednesday and return on a Tuesday

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Cheapest flights from Washington, D.C. to HoustonExplore the most affordable flight options available from Washington, D.C. to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

Explore the most affordable flight options available from Washington, D.C. to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Houston. Price data was last updated on June 27, 2025.

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

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

Find hourly flight availability from Washington, D.C. 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 July 1, 2025.

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

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

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

Reviews of airlines servicing Houston

Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Washington, D.C. to Houston to help guide your decision. 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 Washington, D.C. to Houston. 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 Washington, D.C. to Houston round-trip?

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

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

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

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

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

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

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Cheapest flights from Washington, D.C. to Houston
Explore the most affordable flight options available from Washington, D.C. to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2025.