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

Airlines that fly 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
Sat., 25 Jan. - Wed., 29 Jan.
IAD
Washington
IAH
Houston
AU$443 Return, found 16 hours ago
AU$443
Return
found 16 hours ago
Select Delta flight, departing Sat., 25 Jan. from Washington to Houston, returning Wed., 29 Jan., priced at AU$443 found 16 hours ago
Delta
Sat., 18 Jan. - Tue., 21 Jan.
IAD
Washington
IAH
Houston
AU$443 Return, found 4 days ago
AU$443
Return
found 4 days ago
Select Delta flight, departing Sat., 18 Jan. from Washington to Houston, returning Tue., 21 Jan., priced at AU$443 found 4 days ago
Delta
Sat., 1 Feb. - Sun., 9 Feb.
IAD
Washington
IAH
Houston
AU$444 Return, found 3 days ago
AU$444
Return
found 3 days ago
Select Delta flight, departing Sat., 1 Feb. from Washington to Houston, returning Sun., 9 Feb., priced at AU$444 found 3 days ago
Delta
Mon., 16 Dec. - Tue., 17 Dec.
IAD
Washington
IAH
Houston
AU$447 Return, found 6 days ago
AU$447
Return
found 6 days ago
Select Delta flight, departing Mon., 16 Dec. from Washington to Houston, returning Tue., 17 Dec., priced at AU$447 found 6 days ago
Delta
Sat., 25 Jan. - Wed., 29 Jan.
IAD
Washington
IAH
Houston
AU$480 Return, found 16 hours ago
AU$480
Return
found 16 hours ago
Select Delta flight, departing Sat., 25 Jan. from Washington to Houston, returning Wed., 29 Jan., priced at AU$480 found 16 hours ago
American Airlines
Sat., 1 Feb. - Sun., 9 Feb.
IAD
Washington
IAH
Houston
AU$482 Return, found 3 days ago
AU$482
Return
found 3 days ago
Select American Airlines flight, departing Sat., 1 Feb. from Washington to Houston, returning Sun., 9 Feb., priced at AU$482 found 3 days ago
Delta
Sat., 25 Jan. - Wed., 29 Jan.
IAD
Washington
IAH
Houston
AU$490 Return, found 16 hours ago
AU$490
Return
found 16 hours ago
Select Delta flight, departing Sat., 25 Jan. from Washington to Houston, returning Wed., 29 Jan., priced at AU$490 found 16 hours ago
Delta
Mon., 16 Dec. - Tue., 17 Dec.
IAD
Washington
IAH
Houston
AU$494 Return, found 6 days ago
AU$494
Return
found 6 days ago
Select Delta flight, departing Mon., 16 Dec. from Washington to Houston, returning Tue., 17 Dec., priced at AU$494 found 6 days ago
Delta
Sat., 25 Jan. - Wed., 29 Jan.
IAD
Washington
IAH
Houston
AU$505 Return, found 16 hours ago
AU$505
Return
found 16 hours ago
Select Delta flight, departing Sat., 25 Jan. from Washington to Houston, returning Wed., 29 Jan., priced at AU$505 found 16 hours ago
Delta
Mon., 16 Dec. - Tue., 17 Dec.
IAD
Washington
IAH
Houston
AU$509 Return, found 6 days ago
AU$509
Return
found 6 days ago
Select Delta flight, departing Mon., 16 Dec. from Washington to Houston, returning Tue., 17 Dec., priced at AU$509 found 6 days ago
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Flight from Washington to Houston route information
Origin airport
Washington Dulles Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Delta, United
Return price
AU$442
Distance
1903 km

Your quick guide to flights from Washington to Houston

Pick up great flights from Washington to Houston

With Expedia, you have your pick of 17 flights a day with 20 airlines covering flights from Washington to Houston. 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 Washington to Houston that take around 1 hours.

Find cheap flights from Washington to Houston

From the great flight deals with prices currently ranging from AU$443 to AU$509, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Houston 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 Houston is normally in January.

Reasons to book your flight from Washington to Houston 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 Washington to Houston 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 Houston right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

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 AU$443. 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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