NZ$253 Cheap Flights Washington to Houston (IAD-IAH)

View NZ$253 flight on Wed, 22 Oct 2025Opens in a new window

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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$505 Return, found 5 days ago
NZ$505
Return
found 5 days ago
Select Delta flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$505 found 5 days ago
American Airlines
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$527 Return, found 5 days ago
NZ$527
Return
found 5 days ago
Select American Airlines flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$527 found 5 days ago
Delta
Thu, 23 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$542 Return, found 5 days ago
NZ$542
Return
found 5 days ago
Select Delta flight, departing Thu, 23 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$542 found 5 days ago
American Airlines
Thu, 23 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$553 Return, found 5 days ago
NZ$553
Return
found 5 days ago
Select American Airlines flight, departing Thu, 23 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$553 found 5 days ago
Delta
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$558 Return, found 5 days ago
NZ$558
Return
found 5 days ago
Select Delta flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$558 found 5 days ago
United
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$575 Return, found 5 days ago
NZ$575
Return
found 5 days ago
Select United flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$575 found 5 days ago
American Airlines
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$579 Return, found 5 days ago
NZ$579
Return
found 5 days ago
Select American Airlines flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$579 found 5 days ago
American Airlines
Thu, 23 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$587 Return, found 5 days ago
NZ$587
Return
found 5 days ago
Select American Airlines flight, departing Thu, 23 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$587 found 5 days ago
United
Thu, 23 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$595 Return, found 5 days ago
NZ$595
Return
found 5 days ago
Select United flight, departing Thu, 23 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$595 found 5 days ago
Delta
Wed, 22 Oct - Wed, 29 Oct
IAD
Washington
IAH
Houston
NZ$603 Return, found 5 days ago
NZ$603
Return
found 5 days ago
Select Delta flight, departing Wed, 22 Oct from Washington to Houston, returning Wed, 29 Oct, priced at NZ$603 found 5 days ago
Flight from Washington to Houston route information
Origin airport
Washington Dulles Intl.
Destination airport
George Bush Intercontinental
Return price
NZ$505
Distance
1903 km
Average flight time
3 hours 50 mins

Perfect flights from Washington to Houston

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to Houston. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Houston, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to George Bush Intercontinental ticket options cater to your travel preferences, with incredible one-way fares from NZ$253 and roundtrip prices from NZ$505. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at George Bush Intercontinental and explore Houston and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your IAD to IAH travel arrangements today and embark on the journey of a lifetime in Houston.

Frequently asked questions

How much is a flight from IAD to George Bush Intercontinental Airport (IAH)?
Start packing your bags, because round-trip journeys from Washington Dulles Intl. Airport (IAD) to IAH start from NZ$505. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book now to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Washington Dulles Intl. Airport (IAD) to IAH?
Every air carrier has its own set of terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from IAD to IAH that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to George Bush Intercontinental Airport (IAH) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to Houston Airport?
You'll be in the air for a while, as the flight distance from Dulles Intl. Airport to George Bush Intercontinental Airport (IAH) is 1 900 kilometres. Put together a playlist of your favourite tunes before leaving home to keep yourself entertained during your flight.
Which airlines fly direct from IAD to Houston Airport?
If you'd like to fly directly from Washington Dulles Intl. Airport (IAD) to IAH, United Airlines (UA) is a top choice. It operates 121 flights each month between Chantilly and Houston.
Are IAD to IAH flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Washington Dulles Intl. Airport (IAD) to George Bush Intercontinental Airport (IAH) at the last minute could save you some cash. However, it could end up costing a good deal more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

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Houston Flight Deals

Houston

Washington to George Bush Intercontinental
NZ$504.80
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