฿12,375 Cheap Flights from Houston (IAH) to Washington (IAD)

View ฿12,375 flight on Tue, 16 Dec 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 and start at ฿12,375 for one-way flights and ฿22,530 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 18 Dec - Sun, 21 Dec
IAH
Houston
IAD
Washington
฿22,530 Return, found 1 day ago
฿22,530
Return
found 1 day ago
Select United flight, departing Thu, 18 Dec from Houston to Washington, returning Sun, 21 Dec, priced at ฿22,530 found 1 day ago
United
Thu, 18 Dec - Sat, 20 Dec
IAH
Houston
IAD
Washington
฿22,845 Return, found 1 day ago
฿22,845
Return
found 1 day ago
Select United flight, departing Thu, 18 Dec from Houston to Washington, returning Sat, 20 Dec, priced at ฿22,845 found 1 day ago
Delta
Thu, 18 Dec - Fri, 19 Dec
IAH
Houston
IAD
Washington
฿24,090 Return, found 1 day ago
฿24,090
Return
found 1 day ago
Select Delta flight, departing Thu, 18 Dec from Houston to Washington, returning Fri, 19 Dec, priced at ฿24,090 found 1 day ago
United
Wed, 17 Dec - Sun, 21 Dec
IAH
Houston
IAD
Washington
฿24,645 Return, found 1 day ago
฿24,645
Return
found 1 day ago
Select United flight, departing Wed, 17 Dec from Houston to Washington, returning Sun, 21 Dec, priced at ฿24,645 found 1 day ago
United
Tue, 16 Dec - Fri, 19 Dec
IAH
Houston
IAD
Washington
฿24,890 Return, found 1 day ago
฿24,890
Return
found 1 day ago
Select United flight, departing Tue, 16 Dec from Houston to Washington, returning Fri, 19 Dec, priced at ฿24,890 found 1 day ago
United
Mon, 15 Dec - Thu, 18 Dec
IAH
Houston
IAD
Washington
฿24,940 Return, found 1 day ago
฿24,940
Return
found 1 day ago
Select United flight, departing Mon, 15 Dec from Houston to Washington, returning Thu, 18 Dec, priced at ฿24,940 found 1 day ago
United
Wed, 17 Dec - Sat, 20 Dec
IAH
Houston
IAD
Washington
฿24,960 Return, found 1 day ago
฿24,960
Return
found 1 day ago
Select United flight, departing Wed, 17 Dec from Houston to Washington, returning Sat, 20 Dec, priced at ฿24,960 found 1 day ago
United
Mon, 15 Dec - Sat, 20 Dec
IAH
Houston
IAD
Washington
฿25,255 Return, found 1 day ago
฿25,255
Return
found 1 day ago
Select United flight, departing Mon, 15 Dec from Houston to Washington, returning Sat, 20 Dec, priced at ฿25,255 found 1 day ago
United
Tue, 16 Dec - Fri, 19 Dec
IAH
Houston
IAD
Washington
฿25,385 Return, found 1 day ago
฿25,385
Return
found 1 day ago
Select United flight, departing Tue, 16 Dec from Houston to Washington, returning Fri, 19 Dec, priced at ฿25,385 found 1 day ago
American Airlines
Tue, 16 Dec - Fri, 19 Dec
IAH
Houston
IAD
Washington
฿27,920 Return, found 1 day ago
฿27,920
Return
found 1 day ago
Select American Airlines flight, departing Tue, 16 Dec from Houston to Washington, returning Fri, 19 Dec, priced at ฿27,920 found 1 day ago

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

January is typically the cheapest month to fly

From ฿3,521 - ฿10,022 per traveller.
Flight from Houston to Washington route information
Origin airport
George Bush Intercontinental
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, United
Return price
฿22,530
Distance
1903 km
Average flight time
5 hours 29 mins

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 , 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 ฿12,375 and roundtrip prices from ฿22,530. 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 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 to travel arrangements today and embark on the journey of a lifetime in Washington.

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 ฿22,530. 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.

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