CA $161 Cheap Flights from Washington (IAD) to Houston (IAH)

Popular airlines from Washington Dulles International Airport (IAD) to George Bush Intercontinental Airport (IAH)

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Cheap flights from Washington (IAD) to Houston (IAH)

Prices were available within the past 7 days and start at CA $161 for one-way flights and CA $324 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
United
Delta
United
American Airlines
American Airlines
American Airlines
American Airlines
Delta

Find the cheapest month to fly from Washington (IAD) to Houston (IAH)

September is typically the cheapest month to fly

From CA $141 - CA $348 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Houston (IAD - IAH) route information
Origin airport
Washington Dulles Intl.
Destination airport
George Bush Intercontinental
Airlines serving
American Airlines, Delta
Roundtrip price
CA $323
Distance
1903 km
Average flight time
2 hours 35 mins

Chantilly to Houston Flights

The easy way to book your flights from Washington to Houston 

With Expedia, it’s simple to find and book flights to Houston from Washington whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to George Bush Intercontinental, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Washington to Houston today, tomorrow, or this week.  

 

Save dollars with cheap flights from Washington Dulles Intl., IAD to George Bush Intercontinental, IAH 

Sort your search results by price to find great deals on your flight from Washington to Houston—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Houston from Washington currently is just CA $324 rising to CA $433.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Houston  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Houston from Washington 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Houston with Expedia today.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to IAH?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between Washington Dulles Intl. Airport (IAD) and George Bush Intercontinental Airport (IAH) was CA $324. Cheap tickets don't wait forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to IAH?
Every air carrier has different terms and conditions. If you decide to cancel your vacation, visit our Customer Service Portal.
How do I find cheap flights from IAD to IAH that have flexible change policies?
Many carriers will allow you to move your flight without charging a fee. All you pay is the difference in the ticket price. When searching for Washington Dulles Intl. Airport (IAD) to IAH flights, you'll see a "No change fees" box for you to tick.
How many hours is the flight from Washington Dulles Intl. Airport (IAD) to IAH?
Lasting around 3 hours and 39 minutes, the flight between Dulles Intl. Airport and IAH is a good opportunity to do some last-minute planning. Why not use some of this time to read up on what to do in Houston?
How far is the flight from IAD to Houston Airport?
It's around 1,900 kilometres from Chantilly to Houston, so you'll be in your seat for a while. Keep yourself occupied with things like playing cards (if you're travelling with friends) or a gripping book.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Houston Airport?
Flying nonstop from IAD to George Bush Intercontinental Airport (IAH) is simple with United Airlines (UA). This popular airline operates 121 flights each month.
Are Dulles Intl. Airport to Houston Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a great last-minute deal from IAD to IAH, but it's also possible to miss out altogether! As many airlines publish prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a good bargain. Expedia compares air carrier prices and updates flight deals frequently, so you can rest easy knowing you're always seeing the latest offers.

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