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Cheap Flights from Washington to Houston from $277

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Cheap IAD to IAH Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Wed, Dec 11 - Sat, Dec 14
IAD
Washington
to
IAH
Houston
$277

roundtrip

just found

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Tue, Dec 17 - Tue, Dec 24
IAD
Washington
to
IAH
Houston
$282

roundtrip

found 8 hours ago

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Wed, Jan 8 - Sat, Jan 11
IAD
Washington
to
IAH
Houston
$284

roundtrip

found 1 day ago

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Wed, Dec 11 - Wed, Dec 11
IAD
Washington
to
IAH
Houston
$285

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found 6 hours ago

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Thu, Mar 19 - Mon, Mar 23
IAD
Washington
to
IAH
Houston
$287

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just found

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Tue, Dec 10 - Tue, Dec 10
IAD
Washington
to
IAH
Houston
$288

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found 6 hours ago

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Mon, Dec 9 - Tue, Dec 10
IAD
Washington
to
IAH
Houston
$291

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found 5 hours ago

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Mon, Jan 6 - Sat, Jan 11
IAD
Washington
to
IAH
Houston
$292

roundtrip

found 20 hours ago

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Sat, Dec 7 - Mon, Dec 9
IAD
Washington
to
IAH
Houston
$293

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found 1 hour ago

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Wed, Dec 11 - Sat, Dec 14
IAD
Washington
to
IAH
Houston
$294

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just found

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Sat, Dec 7 - Mon, Dec 9
IAD
Washington
to
IAH
Houston
$295

roundtrip

found 1 hour ago

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Tue, Dec 3 - Thu, Dec 5
IAD
Washington
to
IAH
Houston
$296

roundtrip

found 2 hours ago

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Wed, Jan 15 - Wed, Jan 15
IAD
Washington
to
IAH
Houston
$297

roundtrip

found 1 hour ago

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Tue, Dec 3 - Thu, Dec 5
IAD
Washington
to
IAH
Houston
$298

roundtrip

found 2 hours ago

Open IAD to IAH flights search result page
Tue, Dec 3 - Thu, Dec 5
IAD
Washington
to
IAH
Houston
$299

roundtrip

found 2 hours ago

Open IAD to IAH flights search result page
Tue, Dec 17 - Tue, Dec 24
IAD
Washington
to
IAH
Houston
$300

roundtrip

found 8 hours ago

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Tue, Jan 14 - Wed, Jan 15
IAD
Washington
to
IAH
Houston
$301

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just found

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Tue, Jan 14 - Wed, Jan 15
IAD
Washington
to
IAH
Houston
$302

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just found

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Wed, Dec 11 - Wed, Dec 18
IAD
Washington
to
IAH
Houston
$378

roundtrip

found 11 hours ago

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Thu, Jul 2 - Thu, Jul 16
IAD
Washington
to
IAH
Houston
$914

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found 5 hours ago

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Airlines Serving Alaska Airlines, American Airlines, Delta, United

Top Routes from Washington

Top Routes to Houston

Cheap IAD to IAH Flights

  • Is there a day of the week that has more departure times to choose from than other days?

    When you're flying from IAD to IAH, the day with the most flight times is Sunday, with 14 different options. However, with only nine flight times, Friday doesn't offer quite as many options when finding that perfect departure time.

  • How long does it take to fly from Dulles to Houston?

    This flight takes just about three hours and 23 minutes via United Airlines. If you catch the 10:15 PM EST departure, you'll arrive at 12:38 AM CST. Until we get the kinks sorted out of our teleportation machine, this is still the one of the fastest ways to get from Dulles to Houston. Don't forget the one-hour time change. So, synchronize your watches.

  • How much is a plane ticket to Houston (IAH) from Dulles (IAD)?

    Prices can vary from $187 to $948. Booking far in advance can usually help you get the cheapest rate. Prices are usually lower the further out you book.

  • What is the cheapest day to fly to Houston?

    Nov 16th has bookings (as of Nov 11th) as cheap as $187. That comes in 54% below the average price for this route. Saving on booking fees means you'll have more money to spend on your trip.

  • What is the cheapest airline flying from Dulles to Houston?

    United Airlines is the leader in keeping prices down for their passengers over the next three months. Bookings are being made at just $187, which is a steal when compared to the high-end bookings of $948.

  • What is the cheapest day to fly?

    The cheapest day to fly from Dulles to Houston is on Saturday. If you would like to save some money on your next business trip look for flights on that day.

  • Which airline has the least delays from Dulles to Houston?

    Booking with SkyWest Airlines means you will arrive to Houston approximately the time you were supposed to. In fact, this timely airline has a 100% average for landing before the plane turns into a pumpkin.

Sterling to Houston Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Sterling to Houston will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Houston.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with IAD to IAH flights that won’t make your bank account wince. Ready to temporarily leave behind Sterling for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to IAH with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Package Disclaimer

*Savings amount equal to 100% when flight + hotel are booked together. Prices based on searches conducted by fellow shoppers within the past 24 hours. There is no guarantee that these prices will be in effect at the time of your search. Vacation package savings are based on comparison to prices on Expedia.com of the same components booked separately. Savings vary based on origin/destination, length of trip, stay dates and travel partners, and aren't available on all packages.