IAD to IAH (Washington to Houston) Flights

Last Minute Flights from IAD to IAH

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IADHoustonMay 3 to May 11$280
*Prices include taxes and fees

Cheapest IAD to IAH Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
IADHoustonMay 15 to May 18$230
IADHoustonJuly 10 to July 15$269
IADHoustonJuly 10 to July 15$289
IADHoustonJuly 10 to July 15$289
*Prices include taxes and fees
IAD to IAH Flight Details
Origin airport
Washington Dulles Intl.
Origin airport IATA code
IAD
Destination airport
George Bush Intercontinental
Destination airport IATA code
IAH
Distance
1189 mi

Frequently asked questions

What airlines fly direct from IAD to Houston Airport?
United Airlines (UA) does. Book a fare on one of the 147 flights per month that take off from Dulles Intl. Airport and fly straight to George Bush Intercontinental Airport (IAH). Skipping a pesky stopover is the ideal way to kick off your getaway.
How many flights are there from IAD to IAH?
There are 4 flights a day from Washington, DC (IAD-Washington Dulles Intl.) to Houston, TX (IAH-George Bush Intercontinental), so you have no shortage of ways to get to Houston. Just pick a date and time that fits with your plans and lock in your fare.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
Washington, DC (IAD-Washington Dulles Intl.) to Houston, TX (IAH-George Bush Intercontinental) takes about 3 hours and 23 minutes. That’s an ideal amount of time to enjoy an epic new TV series, listen to a podcast or settle back and have a snooze.
What is the flight distance from Washington, DC (IAD-Washington Dulles Intl.) to Houston, TX (IAH-George Bush Intercontinental)?
At 1,200 miles (1,900 1), this medium-haul flight is no never-ending marathon, but it’s no quick jaunt either. Touch down in Houston feeling recharged by enjoying a nap along the way.
How many morning flights are there from IAD to IAH?
There are approximately 14 morning flights jetting from IAD to IAH every week. United Airlines (UA) has 14 weekly flights that leave before midday. If you’d like to get going early, take UA’s first flight at 6:00AM.
How many afternoon flights are there from IAD to IAH?
With 20 weekly afternoon and evening flights from IAD to IAH, don’t worry about setting your alarm. Compare the deals from United Airlines (UA) and pick from 20 flights each week that take off after midday. The first leaves the runway at 12:42PM.
What is the earliest departure time out of Chantilly to Houston?
The earliest flight leaves IAD at 6:00AM and touches down at 9:22AM at IAH. Remember to give yourself enough time in the morning to make it to your gate.
What is the latest departure time out of Chantilly to Houston?
The latest flight jets out from IAD at 10:05PM and lands at 1:21AM at IAH. You’ll have ample time to get ready for this journey.
What is the average price from Chantilly to Houston?
On average, the lowest price for round-trip flights from IAD to IAH is $230. Scoop up your own great bargain by reserving your tickets today. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Washington to Houston Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Washington to Houston to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from IAD to IAH, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Washington to Houston, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.