NZ$308 Cheap Flights Houston to Washington (IAH-IAD)

View NZ$308 flight on Sat, 18 Oct 2025Opens in a new window

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

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

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, 24 Dec - Thu, 8 Jan
IAH
Houston
IAD
Washington
NZ$569 Return, found 6 days ago
NZ$569
Return
found 6 days ago
Select Delta flight, departing Wed, 24 Dec from Houston to Washington, returning Thu, 8 Jan, priced at NZ$569 found 6 days ago
Delta
Thu, 18 Dec - Tue, 30 Dec
IAH
Houston
IAD
Washington
NZ$590 Return, found 6 days ago
NZ$590
Return
found 6 days ago
Select Delta flight, departing Thu, 18 Dec from Houston to Washington, returning Tue, 30 Dec, priced at NZ$590 found 6 days ago
Delta
Thu, 25 Dec - Thu, 8 Jan
IAH
Houston
IAD
Washington
NZ$595 Return, found 6 days ago
NZ$595
Return
found 6 days ago
Select Delta flight, departing Thu, 25 Dec from Houston to Washington, returning Thu, 8 Jan, priced at NZ$595 found 6 days ago
Delta
Tue, 2 Dec - Thu, 18 Dec
IAH
Houston
IAD
Washington
NZ$608 Return, found 6 days ago
NZ$608
Return
found 6 days ago
Select Delta flight, departing Tue, 2 Dec from Houston to Washington, returning Thu, 18 Dec, priced at NZ$608 found 6 days ago
American Airlines
Sat, 18 Oct - Mon, 20 Oct
IAH
Houston
IAD
Washington
NZ$614 Return, found 5 days ago
NZ$614
Return
found 5 days ago
Select American Airlines flight, departing Sat, 18 Oct from Houston to Washington, returning Mon, 20 Oct, priced at NZ$614 found 5 days ago
Delta
Fri, 2 Jan - Thu, 15 Jan
IAH
Houston
IAD
Washington
NZ$653 Return, found 6 days ago
NZ$653
Return
found 6 days ago
Select Delta flight, departing Fri, 2 Jan from Houston to Washington, returning Thu, 15 Jan, priced at NZ$653 found 6 days ago
United
Sat, 18 Oct - Mon, 20 Oct
IAH
Houston
IAD
Washington
NZ$655 Return, found 5 days ago
NZ$655
Return
found 5 days ago
Select United flight, departing Sat, 18 Oct from Houston to Washington, returning Mon, 20 Oct, priced at NZ$655 found 5 days ago
Delta
Sat, 18 Oct - Mon, 20 Oct
IAH
Houston
IAD
Washington
NZ$655 Return, found 5 days ago
NZ$655
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from Houston to Washington, returning Mon, 20 Oct, priced at NZ$655 found 5 days ago
Delta
Sat, 18 Oct - Mon, 20 Oct
IAH
Houston
IAD
Washington
NZ$666 Return, found 5 days ago
NZ$666
Return
found 5 days ago
Select Delta flight, departing Sat, 18 Oct from Houston to Washington, returning Mon, 20 Oct, priced at NZ$666 found 5 days ago
Delta
Mon, 26 Jan - Fri, 13 Feb
IAH
Houston
IAD
Washington
NZ$670 Return, found 6 days ago
NZ$670
Return
found 6 days ago
Select Delta flight, departing Mon, 26 Jan from Houston to Washington, returning Fri, 13 Feb, priced at NZ$670 found 6 days ago

Frequently asked questions

How much is a flight from Houston Airport to IAD?
Start packing your bags, because round-trip flights between George Bush Intercontinental Airport (IAH) and IAD start from NZ$569. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book now to nab 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 IAH to IAD?
Most flights can be cancelled online, but each air carrier has its own set of terms and conditions. If you do need to cancel your flight, go to our Customer Service Portal and follow the instructions.
How do I find cheap flights from Houston Airport to IAD 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 George Bush Intercontinental Airport (IAH) to Washington Dulles Intl. Airport (IAD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Houston Airport to Washington Dulles Intl. Airport (IAD)?
It's around 1 900 kilometres between Houston Airport and Washington Dulles Intl. Airport (IAD), so expect to be in your seat for a while. Keep yourself occupied by packing things like your e-reader or the latest bestseller.
Which airlines fly direct from Houston Airport to Washington Dulles Intl. Airport (IAD)?
Flying directly from Houston Airport to IAD is simple with United Airlines (UA). This popular carrier offers 121 flights each month.
Are George Bush Intercontinental Airport (IAH) to Dulles Intl. Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an awesome last-minute deal from Houston Airport to IAD, but it's also possible to miss out entirely! As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals regularly, so you can be sure you're always seeing the latest offers.

Travel information

Travel information

Origin airport
George Bush Intercontinental
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, United
Return price
NZ$569
Distance
1903 km
Average flight time
5 hours 23 mins

Book with confidence

Book with confidence

Perfect flights from Houston to Washington

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Houston to Washington. 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 Chantilly, 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 George Bush Intercontinental to Washington Dulles Intl. ticket options cater to your travel preferences, with incredible one-way fares from NZ$308 and roundtrip prices from NZ$569. 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 Washington Dulles Intl. and explore Chantilly 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 IAH to IAD travel arrangements today and embark on the journey of a lifetime in Washington.
Perfect flights from Houston to Washington

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