Cheap Flights from Washington Dulles to Houston

Compare Washington Dulles to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from Washington Dulles to Houston

Looking for a cheap last-minute deal or the best return flight from Washington Dulles to Houston? Find the lowest prices on one-way and return tickets right here.

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Find the cheapest month to fly from Washington Dulles to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Houston flights are currently cheapest in May.

Direct flights from Washington Dulles to Houston

Alternative Washington Dulles to Houston routes

Looking for the cheapest, fastest or easiest route from Washington Dulles to Houston? You could fly into the following airports instead.

Washington D.C. to Houston: Flight information

The things to know before you go.
Cheapest flight found255 €
Cheapest month to flyMay
Average flight time3 hrs, 16 mins
Most popular airlineUnited
Average flights per week126

Finding cheap flights from Washington Dulles to Houston: Frequently asked questions

There are 5 airports in Houston: Houston David Wayne Hooks, Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from Washington Dulles to Houston is 255 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 16 minutes is the average flight time from Washington Dulles to Houston.
United, Air New Zealand and Avianca fly direct from Washington Dulles to Houston.
As of April 2024, there are 126 flights per week flying from Washington Dulles to Houston.
The cheapest month to fly from Washington Dulles to Houston is usually May.
If you're flying from Washington Dulles Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from 255 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Houston on Friday, 24 May 2024.
Yes – the average flight time is 3 hours and 16 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 20°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, United offers the cheapest flight tickets to Houston.

How to find cheap flights to Houston (HOU) from Washington D.C. (IAD)in 2024

Looking for cheap tickets from Washington Dulles to Houston? Return tickets start from 255 € and one-way flights to Houston from Washington Dulles start from 116 €


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Washington Dulles to Houston. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Houston from Washington D.C. from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Houston start from 116 € one-way.
  • Set up a Price Alert. You can easily track the fare of your cheap Washington Dulles-Houston flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Flex your dates to find the best IAD-HOU ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Houston from Washington Dulles.
  • Fly without stops. Only interested in direct flights between Washington Dulles and Houston? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: United
    Air New Zealand
    Avianca
    SWISS
    Brussels Airlines
    Emirates
    Air China
  • Find the cheapest Business class flights from Washington Dulles and Houston. We scour the internet for the best Business, Premium Economy and First Class flight fares to Houston, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Washington Dulles to Houston flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Flexible on when you travel? The cheapest month to fly from Washington Dulles to Houston is May.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Washington Dulles and Houston whenever you want.

Combine your flight to Houston from Washington Dulles with hotels and car hire

Once you've secured your cheap flight ticket from Washington Dulles to Houston, discover the best prices and exclusive rates for hotels in Houston or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


More flight options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.