
Popular airlines from George Bush Intercontinental Airport (IAH) to Washington Dulles International Airport (IAD)
- American Airlines
American Airlines
- Alaska Airlines
Alaska Airlines
- Delta
Delta
- United
United
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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.










Find the cheapest month to fly from Houston (IAH) to Washington (IAD)
September is typically the cheapest month to fly
Graph displaying average flight prices per month
Origin airport | George Bush Intercontinental |
Destination airport | Washington Dulles Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, United |
Return price | AU$405 |
Distance | 1903 km |
Average flight time | 5 hours 14 mins |
Your quick guide to flights from Houston to Washington
Pick up great flights from Houston to Washington
With Expedia, you have your pick of 18 flights a day with 20 airlines covering flights from Houston to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Houston to Washington that take around 3 hours.
Find cheap flights from Houston to Washington
From the great flight deals with prices currently ranging from AU$406 to AU$885, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Houston to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in September.
Reasons to book your flight from Houston to Washington with Expedia
Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Houston to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.
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Top Routes from Houston
- Houston to Mexico City (IAH - MEX)
- Houston to Calgary (IAH - YYC)
- Houston to Los Angeles (IAH - LAX)
- Houston to Auckland (IAH - AKL)
- Houston to Oaxaca Intl. (IAH - OAX)
- Houston to Cairns (IAH - CNS)
- Houston to Madison (IAH - MSN)
- Houston to Cusco (IAH - CUZ)
- Houston to Vancouver (IAH - YVR)
- Houston to Melbourne (IAH - MEL)
- Houston to Brisbane (IAH - BNE)
- Houston to Bogotá (IAH - BOG)
Top Routes to Washington
- Los Angeles to Washington (LAX - IAD)
- Kuala Lumpur to Washington (KUL - IAD)
- Darwin to Washington (DRW - IAD)
- Adelaide to Washington (ADL - IAD)
- Cairns to Washington (CNS - IAD)
- San Jose to Washington (SJC - IAD)
- Canberra to Washington (CBR - IAD)
- Melbourne to Washington (MEL - IAD)
- Brisbane to Washington (BNE - IAD)
- Toronto to Washington (YYZ - IAD)
Top Routes from Houston
Top Flight Destinations
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- Flights to Virginia Beach
- Flights to San Francisco
- Flights to Houston
Baltimore
Houston
Alternative Routes
- William P. Hobby Airport (HOU)
- Ellington Field Airport (EFD)
- Eagle Lake Airport (ELA)
- Beaumont Municipal Airport (BMT)
- Easterwood Airport (CLL)
- A L Mangham Jr. Regional Airport (OCH)
- Victoria Regional Airport (VCT)
- Austin-Bergstrom Intl. Airport (AUS)
- Waco Regional Airport (ACT)
- Killeen-Fort Hood Regional Airport (GRK)
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