$125 Cheap flights from Washington Dulles Intl. to George Bush Intercontinental (IAD to IAH)

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Find The Best Dates To Fly from Washington Dulles Intl. to George Bush Intercontinental

Amazing IAD to IAH Flight Deals

The cheapest flights to George Bush Intercontinental found within the past 7 days were $249 round trip and $125 one way. Prices and availability subject to change. Additional terms may apply.

Sat, Aug 24 - Mon, Aug 26
IAD
Washington
IAH
Houston
$249 Roundtrip, found 19 hours ago
$249
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Aug 24 from Washington to Houston, returning Mon, Aug 26, priced at $249 found 19 hours ago
Sat, Aug 24 - Mon, Aug 26
IAD
Washington
IAH
Houston
$259 Roundtrip, found 19 hours ago
$259
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Aug 24 from Washington to Houston, returning Mon, Aug 26, priced at $259 found 19 hours ago
Sat, Jul 13 - Sat, Jul 20
IAD
Washington
IAH
Houston
$262 Roundtrip, found 1 day ago
$262
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jul 13 from Washington to Houston, returning Sat, Jul 20, priced at $262 found 1 day ago
Sat, Jul 13 - Sat, Jul 20
IAD
Washington
IAH
Houston
$263 Roundtrip, found 1 day ago
$263
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Jul 13 from Washington to Houston, returning Sat, Jul 20, priced at $263 found 1 day ago
Sat, Aug 24 - Tue, Aug 27
IAD
Washington
IAH
Houston
$265 Roundtrip, found 4 days ago
$265
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Aug 24 from Washington to Houston, returning Tue, Aug 27, priced at $265 found 4 days ago
Fri, Sep 6 - Sat, Sep 7
IAD
Washington
IAH
Houston
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Sep 6 from Washington to Houston, returning Sat, Sep 7, priced at $268 found 1 day ago
Mon, Oct 7 - Thu, Oct 10
IAD
Washington
IAH
Houston
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select United flight, departing Mon, Oct 7 from Washington to Houston, returning Thu, Oct 10, priced at $269 found 2 days ago
Mon, Dec 23 - Sat, Jan 4
IAD
Washington
IAH
Houston
$273 Roundtrip, found 2 days ago
$273
Roundtrip
found 2 days ago
Select United flight, departing Mon, Dec 23 from Washington to Houston, returning Sat, Jan 4, priced at $273 found 2 days ago
Sat, Oct 26 - Sun, Nov 3
IAD
Washington
IAH
Houston
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select United flight, departing Sat, Oct 26 from Washington to Houston, returning Sun, Nov 3, priced at $278 found 1 day ago
Sat, Dec 28 - Sun, Jan 5
IAD
Washington
IAH
Houston
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select United flight, departing Sat, Dec 28 from Washington to Houston, returning Sun, Jan 5, priced at $279 found 2 days ago

Frequently asked questions

Can I catch a flight from Dulles Intl. Airport to Houston Airport right now?
Make sure you check out the Covid-19 Travel Advisor to see if there are any current travel advice reports and quarantine requirements in effect in George Bush Intercontinental Airport (IAH) when flying from Dulles Intl. Airport.
Are there direct flights from Washington Dulles Intl. Airport (IAD) to IAH?
If you’re not a big fan of stopovers, it’s a smart idea to organize your flight from Washington Dulles Intl. Airport (IAD) to George Bush Intercontinental Airport (IAH) well ahead of time. United Airlines is the only air carrier that offers direct flights to Houston from Sterling.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Houston Airport, please visit our Customer Service Portal.
How long is the flight from IAD to George Bush Intercontinental Airport (IAH)?
With the flight from Sterling to Houston taking on average 3 hours and 20 minutes, you will have time to get lots of things done in the air. Make good use of the trip by bringing that book you never have time to read, checking out what’s on the in-flight entertainment or having a decent nap. You’ll probably even find you’re able to squeeze in all three before the plane lands.
What is the flight distance from Washington Dulles Intl. Airport (IAD) to IAH?
You’ll need to travel around 1,200 mi from Dulles Intl. Airport to Houston Airport before you can officially embark on your adventures. Grab a beverage from the drink cart and enjoy some of your favorite TV shows. You’ll have more than enough time!
What airlines fly from Washington Dulles Intl. Airport (IAD) to George Bush Intercontinental Airport (IAH)?
Want to fly nonstop from Sterling to Houston? It’s your lucky day. United Airlines offers as many as 160 flights every month and is the number one choice for many wise wanderers.
What airlines have practices regarding COVID-19 in place and use social distancing?
From the moment you enter the departure terminal to when you leave the arrivals terminal, if you’re flying with United Airlines, American Airlines or Delta you can be sure that COVID-19 measures and social distancing rules have been adhered to. Many airlines have introduced capped capacity flights and keeping the middle seat empty.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Washington Dulles Intl.
Traveling To
George Bush Intercontinental
Shortest Flight Time
1 hours 6 mins
Earliest Departure Time
6:40AM CDT
Latest Departure Time
10:09PM CDT
Lowest Flight Price
$249

Route Info

Flight path for flights from Washington Dulles International Airport to George Bush Intercontinental Airport


Origin:
IAD - Washington Dulles International Airport
Destination:
IAH - George Bush Intercontinental Airport
Distance:
1,195.00 miles


Airlines & Aircraft Used on IAD to IAH Flight Routes


Airline Carrier
Aircraft
United Airlines
Airbus A320-100/200
United Airlines
Boeing 737-700 pax

Discover our best flights from Washington IAD to Houston IAH. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Washington IAD to Houston IAH at the right price  

Airfares to Houston IAH from Washington IAD currently cost between $249 and $279. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Washington IAD to Houston IAH 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington IAD to Houston IAH on Travelocity starting at $125. Prices and availability subject to change. Additional terms may apply. 

 

Get to Houston IAH from Washington IAD quicker with direct flights. 

Get to Houston faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to IAH from IAD to take around 1 hour(s) 6 min(s).  

 

Find our cheapest airfares for flights from Washington IAD to Houston IAH

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to IAH from IAD. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Washington IAD to Houston IAH today 

If you’re flexible about when you travel, August is usually the cheapest month to fly from Washington IAD to Houston IAH. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Houston IAH from Washington IAD 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to IAH from IAD have this option.  

 

Travel with confidence when you book flights to Houston IAH from Washington IAD with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.