What are the cheapest airlines flying from Washington, D.C. to Houston George Bush Intcntl Airport round-trip?

Currently priced at $149, Frontier will fly you from Washington, D.C. to Houston George Bush Intcntl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $269 and $297, respectively. You may be able to fly from Washington, D.C. to Houston George Bush Intcntl Airport for 61% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Washington, D.C. to Houston George Bush Intcntl Airport one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Houston George Bush Intcntl Airport for a low price.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?

The most popular route from Washington, D.C. to Houston George Bush Intcntl Airport is Baltimore/Washington - Houston George Bush Intcntl. You may also consider Washington, D.C. Dulles Intl - Houston George Bush Intcntl or Washington, D.C. Reagan-National - Houston George Bush Intcntl.

What are the cheapest flights from Washington, D.C. to Houston George Bush Intcntl Airport?

Looking for the cheapest flight from Washington, D.C. to Houston George Bush Intcntl Airport? While on average our users pay $716, our data indicates the cheapest price to be $159. The most popular route (Baltimore/Washington - Houston George Bush Intcntl), is priced around $88.

What are the most reliable airlines from Washington, D.C. to Houston George Bush Intcntl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Houston George Bush Intcntl Airport on time: Air China (94%), Avianca (92%), Air New Zealand (91%).

What are the most popular airlines that fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Consider United Airlines, American Airlines or Frontier when booking your flight. These represent the most popular airlines when flying from Washington, D.C. to Houston George Bush Intcntl Airport.

Most accurate provider : When it comes to deals on Washington, D.C.-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Washington, D.C. to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Washington, D.C. to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to George Bush Intcntl.

Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Washington, D.C. to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$98+ Cheap Flights from Washington, D.C. to Houston George Bush Intcntl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Washington, D.C. to Houston George Bush Intcntl are usually found in November or January, booked 84 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Washington, D.C. to George Bush Intcntl

Cheapest

Best

Last-minute

One-way

Cheapest flights from Washington, D.C. to George Bush Intcntl
Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.

Thu 11/265:42 pm -

Nonstop3h 37m

Thu 12/39:41 am -

1 stop7h 06m

Deal found 10/27

$155

Thu 12/244:12 pm -

Nonstop3h 42m

Wed 1/66:11 am -

1 stop8h 49m

Deal found 10/26

$156

Mon 11/168:41 pm -

1 stop11h 42m

Thu 11/193:39 pm -

Nonstop3h 07m

Deal found 10/27

$157

Wed 11/184:59 pm -

Nonstop3h 37m

Fri 11/2711:59 am -

Nonstop3h 07m

Deal found 10/27

$158

Fri 12/44:22 pm -

2 stops17h 23m

Mon 12/76:24 pm -

1 stop13h 43m

Deal found 10/27

$159

Wed 11/41:56 pm -

1 stop25h 48m

Thu 11/128:18 am -

1 stop27h 43m

Deal found 10/27

$160

Thu 11/121:56 pm -

1 stop25h 48m

Tue 11/174:21 pm -

1 stop20h 47m

Deal found 10/27

$161

Fri 12/116:41 pm -

1 stop23h 48m

Thu 12/247:49 pm -

1 stop21h 42m

Deal found 10/27

$162

Wed 11/111:56 pm -

1 stop25h 48m

Fri 11/132:32 pm -

1 stop18h 37m

Deal found 10/26

$163

Thu 11/265:42 pm -

Nonstop3h 37m

Tue 12/112:45 pm -

Nonstop3h 07m

Deal found 10/27

$164

Sat 11/144:59 pm -

Nonstop3h 37m

Sat 11/2112:30 pm -

Nonstop3h 07m

Deal found 10/27

$165

Fri 11/135:42 pm -

Nonstop3h 37m

Fri 11/209:17 am -

1 stop7h 45m

Deal found 10/27

$166

Best flights from Washington, D.C. to George Bush Intcntl
Discover carefully curated flight deals from Washington, D.C. to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.

Thu 11/196:00 am -

Nonstop3h 37m

Thu 11/267:35 am -

Nonstop3h 01m

Deal found 10/26

$243

Tue 1/59:00 am -

1 stop7h 37m

Thu 1/77:00 am -

1 stop6h 58m

Deal found 10/25

$257

Fri 11/208:10 am -

1 stop6h 27m

Thu 11/267:00 am -

1 stop6h 58m

Deal found 10/26

$317

Sun 2/76:00 am -

Nonstop3h 43m

Fri 2/126:40 pm -

Nonstop3h 04m

Deal found 10/23

$252

Sun 11/87:14 am -

1 stop7h 17m

Wed 11/112:59 pm -

1 stop7h 00m

Deal found 10/27

$551

Thu 1/74:07 pm -

Nonstop3h 43m

Mon 1/116:39 pm -

Nonstop3h 06m

Deal found 10/26

$277

Sat 11/76:10 am -

1 stop6h 40m

Mon 11/912:45 pm -

1 stop7h 44m

Deal found 10/23

$316

Wed 11/186:10 am -

1 stop5h 25m

Thu 11/261:36 pm -

1 stop4h 54m

Deal found 10/26

$317

Tue 11/106:10 am -

1 stop6h 40m

Thu 11/1212:45 pm -

1 stop9h 45m

Deal found 10/27

$319

Tue 11/176:00 am -

Nonstop3h 31m

Sun 11/226:13 pm -

Nonstop3h 02m

Deal found 10/23

$314

Fri 11/206:00 am -

Nonstop3h 37m

Sat 11/216:40 pm -

Nonstop3h 04m

Deal found 10/23

$319

Wed 3/244:39 pm -

1 stop5h 31m

Thu 3/252:54 pm -

1 stop6h 43m

Deal found 10/26

$437

Wed 12/168:30 am -

Nonstop3h 36m

Mon 1/46:40 pm -

Nonstop3h 01m

Deal found 10/27

$335

Sun 11/88:00 am -

1 stop9h 56m

Thu 11/1212:45 pm -

1 stop8h 00m

Deal found 10/27

$419

Fri 11/66:10 am -

1 stop8h 10m

Thu 11/125:10 am -

1 stop5h 19m

Deal found 10/23

$459

Tue 2/26:00 am -

Nonstop3h 43m

Wed 2/312:08 pm -

Nonstop3h 10m

Deal found 10/28

$347

Mon 11/165:31 pm -

1 stop6h 22m

Thu 11/197:20 am -

1 stop5h 46m

Deal found 10/26

$366

Mon 11/27:09 pm -

1 stop5h 57m

Wed 11/42:59 pm -

1 stop7h 00m

Deal found 10/23

$666

Fri 11/206:00 am -

Nonstop3h 31m

Mon 11/239:32 am -

Nonstop3h 08m

Deal found 10/27

$373

Sun 1/102:39 pm -

Nonstop3h 43m

Mon 1/116:44 pm -

Nonstop3h 01m

Deal found 10/27

$383

Sat 1/1610:54 am -

Nonstop3h 38m

Sun 1/247:45 am -

Nonstop2h 59m

Deal found 10/27

$383

Sat 12/1210:54 am -

Nonstop3h 38m

Sun 12/136:10 pm -

Nonstop2h 59m

Deal found 10/27

$400

Fri 11/208:34 am -

Nonstop3h 36m

Fri 11/276:40 pm -

Nonstop3h 04m

Deal found 10/24

$403

Fri 11/206:00 am -

Nonstop3h 37m

Mon 11/238:38 pm -

Nonstop2h 59m

Deal found 10/26

$407

Fri 11/206:00 am -

Nonstop3h 31m

Wed 11/257:45 am -

Nonstop3h 02m

Deal found 10/26

$407

Tue 11/248:15 am -

Nonstop3h 39m

Fri 11/276:13 pm -

Nonstop2h 59m

Deal found 10/27

$456

Mon 11/236:10 am -

2 stops13h 37m

Wed 12/26:20 am -

1 stop6h 41m

Deal found 10/27

$473

Tue 11/246:00 am -

Nonstop3h 37m

Fri 11/277:34 pm -

Nonstop3h 04m

Deal found 10/25

$488

Fri 11/206:00 am -

Nonstop3h 31m

Sun 11/227:59 pm -

Nonstop2h 58m

Deal found 10/25

$493

Wed 12/2310:54 pm -

Nonstop3h 36m

Sat 1/28:40 pm -

Nonstop3h 01m

Deal found 10/23

$547

Last-minute flights from Washington, D.C. to George Bush Intcntl
Discover last-minute flight deals from Washington, D.C. to George Bush Intcntl. Data last updated October 28, 2026 and is based on user searches.

Wed 11/41:56 pm -

1 stop25h 48m

Thu 11/128:18 am -

1 stop27h 43m

Deal found 10/27

$160

Wed 11/111:56 pm -

1 stop25h 48m

Fri 11/132:32 pm -

1 stop18h 37m

Deal found 10/26

$163

Thu 11/121:56 pm -

1 stop25h 48m

Tue 11/174:21 pm -

1 stop20h 47m

Deal found 10/27

$161

Fri 11/135:42 pm -

Nonstop3h 37m

Fri 11/209:17 am -

1 stop7h 45m

Deal found 10/27

$166

Sat 11/144:59 pm -

Nonstop3h 37m

Sat 11/2112:30 pm -

Nonstop3h 07m

Deal found 10/27

$165

Mon 11/168:41 pm -

1 stop11h 42m

Thu 11/193:39 pm -

Nonstop3h 07m

Deal found 10/27

$157

Wed 11/184:59 pm -

Nonstop3h 37m

Tue 12/112:45 pm -

Nonstop3h 07m

Deal found 10/26

$156

Wed 11/184:59 pm -

Nonstop3h 37m

Wed 11/2511:59 am -

Nonstop3h 07m

Deal found 10/27

$158

Thu 11/195:42 pm -

Nonstop3h 37m

Thu 11/265:01 am -

1 stop18h 42m

Deal found 10/26

$159

Fri 11/206:15 am -

1 stop8h 48m

Mon 11/2311:59 am -

Nonstop3h 07m

Deal found 10/27

$162

Thu 11/265:42 pm -

Nonstop3h 37m

Thu 12/39:41 am -

1 stop7h 06m

Deal found 10/27

$155

Thu 11/265:42 pm -

Nonstop3h 37m

Tue 12/112:45 pm -

Nonstop3h 07m

Deal found 10/27

$164

One-way flights from Washington, D.C. to George Bush Intcntl
Search for one-way flight options from Washington, D.C. to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.

Mon 11/21:56 pm -

1 stop25h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/25

$98

Sat 11/146:24 am -

1 stop6h 45m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/25

$101

Mon 11/91:56 pm -

1 stop25h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/25

$102

Thu 11/195:42 pm -

Nonstop3h 37m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$105

Sun 12/204:26 pm -

Nonstop3h 42m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/24

$106

Wed 12/96:41 pm -

2 stops22h 25m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/26

$108

Tue 11/104:50 pm -

1 stop6h 09m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$109

Sun 11/155:45 am -

1 stop6h 49m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$110

Tue 11/101:56 pm -

2 stops9h 17m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/23

$111

Tue 11/245:42 pm -

Nonstop3h 37m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$112

Sun 12/136:00 pm -

1 stop8h 23m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$129

Mon 1/116:00 pm -

1 stop7h 48m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 10/27

$130

Find flight deals from Washington, D.C. to George Bush Intcntl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$155 (Kiwi.com)
One-way from	$98 (Booking.com)
Popular in	March
Cheapest in	November
Average price	$401
Good round-trip deal	$268 or less
Good one-way deal	$211 or less

Provider with most accurate pricing for Washington, D.C. (WAS)-Houston George Bush Intcntl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Houston George Bush Intcntl flights.

Search Deals

From Washington, D.C. (WAS) to Houston George Bush Intcntl

Search Deals

One-way flight from Washington, D.C. (WAS) to Houston George Bush Intcntl

Search Deals

Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from Washington, D.C. (WAS) to Houston George Bush Intcntl.

Search Deals

Price to beat on a one-way flight from Washington, D.C. (WAS) to Houston George Bush Intcntl.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHouston

BWI Baltimore/Washington - IAH Houston George Bush Intcntl

BWIIAH

Baltimore/Washington

Mon 11/9

6:29 pm-11:59 pm

1 stop6h 30m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$124

Washington, D.C.Houston

DCA Washington, D.C. Reagan-National - IAH Houston George Bush Intcntl

DCAIAH

Washington, D.C. Reagan-National

Tue 11/10

10:15 am-3:22 pm

1 stop6h 07m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$138

Washington, D.C.Houston

DCA Washington, D.C. Reagan-National - IAH Houston George Bush Intcntl

DCAIAH

Washington, D.C. Reagan-National

Sun 1/17

9:00 am-3:37 pm

1 stop7h 37m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$139

Washington, D.C.Houston

DCA Washington, D.C. Reagan-National - IAH Houston George Bush Intcntl

DCAIAH

Washington, D.C. Reagan-National

Mon 12/7

6:00 am-12:18 pm

1 stop7h 18m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$139

BaltimoreHouston

BWI Baltimore/Washington - IAH Houston George Bush Intcntl

BWIIAH

Baltimore/Washington

Wed 12/23

2:26 pm-9:25 pm

1 stop7h 59m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$142

Washington, D.C.Houston

IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl

IADIAH

Washington, D.C. Dulles Intl

Thu 12/24

10:54 pm-1:30 am

Nonstop3h 36m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$149

Washington, D.C.Houston

IAD Washington, D.C. Dulles Intl - IAH Houston George Bush Intcntl

IADIAH

Washington, D.C. Dulles Intl

Mon 11/23

6:00 am-8:37 am

Nonstop3h 37m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$149

Washington, D.C.Houston

DCA Washington, D.C. Reagan-National - IAH Houston George Bush Intcntl

DCAIAH

Washington, D.C. Reagan-National

Mon 11/23

8:15 am-10:54 am

Nonstop3h 39m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$149

BaltimoreHouston

BWI Baltimore/Washington - IAH Houston George Bush Intcntl

BWIIAH

Baltimore/Washington

Mon 11/9

5:42 pm-8:19 pm

Nonstop3h 37m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$165

BaltimoreHouston

BWI Baltimore/Washington - IAH Houston George Bush Intcntl

BWIIAH

Baltimore/Washington

Sat 1/16

6:00 am-8:43 am

Nonstop3h 43m

Houston George Bush Intcntl

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 60 resultsSorted by cheapest first

...

Compare providers for flights from Washington, D.C. to George Bush Intcntl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to George Bush Intcntl in October.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy2 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*1 star
Super.com	Price Accuracy-	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
Mytrip	Price Accuracy2 stars	Trust Score*3 stars
Trip.com	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Washington, D.C. with our price prediction graph.

WAS-IAH

BWI-IAH

DCA-IAH

IAD-IAH

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Houston George Bush Intcntl Airport

WAS-IAH

BWI-IAH

DCA-IAH

IAD-IAH

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Houston George Bush Intcntl Airport (average of $381). Flying from Washington, D.C. to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to IAH?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Washington, D.C. to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Washington, D.C. to Houston George Bush Intcntl Airport flights typically cost between $246 and $433 in November.
The cheapest round-trip price found within the last 5 days was $155 on Frontier (Nov 26-Dec 3).

How often are flights from Washington, D.C. to Houston delayed?

About 13% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 167 minutes.

What is the most punctual flight time for Washington, D.C. to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Houston flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

The price you pay for your flight from Washington, D.C. to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Travelers seeking maximum savings on their Washington, D.C. to Houston George Bush Intcntl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Washington, D.C. to Houston George Bush Intcntl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Houston George Bush Intcntl Airport trip

Our travel experts

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Emily Zemler

Expert on DCA

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Peruse reviews from past customers who have flown with United Airlines,American Airlines, andFrontier from Washington, D.C. to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.3

Good

10,443 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,443 reviews

United Airlines

7.3

Good

10,443 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

American Airlines

7.0

Good

12,191 reviews

United Airlines

7.3

Good

10,443 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Frontier

5.5

Fair

2,516 reviews

United Airlines

7.3

Good

10,443 reviews

Reviews

1 / 20

8.0

Excellent

Asha,Sep 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Washington, D.C. to Houston George Bush Intcntl Airport?
For as low as $243, United Airlines can have you in Houston George Bush Intcntl Airport from Washington, D.C. in 3h 37m. The distance from Washington, D.C. to Houston George Bush Intcntl Airport is about 1233 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Washington, D.C. to Houston George Bush Intcntl Airport round-trip?
Currently priced at $149, Frontier will fly you from Washington, D.C. to Houston George Bush Intcntl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $269 and $297, respectively. You may be able to fly from Washington, D.C. to Houston George Bush Intcntl Airport for 61% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from Washington, D.C. to Houston George Bush Intcntl Airport one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $78. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Washington, D.C. to Houston George Bush Intcntl Airport for a low price.
What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?
The most popular route from Washington, D.C. to Houston George Bush Intcntl Airport is Baltimore/Washington - Houston George Bush Intcntl. You may also consider Washington, D.C. Dulles Intl - Houston George Bush Intcntl or Washington, D.C. Reagan-National - Houston George Bush Intcntl.
What are the most reliable airlines from Washington, D.C. to Houston George Bush Intcntl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Houston George Bush Intcntl Airport on time: Air China (94%), Avianca (92%), Air New Zealand (91%).
What are the cheapest flights from Washington, D.C. to Houston George Bush Intcntl Airport?
Looking for the cheapest flight from Washington, D.C. to Houston George Bush Intcntl Airport? While on average our users pay $716, our data indicates the cheapest price to be $159. The most popular route (Baltimore/Washington - Houston George Bush Intcntl), is priced around $88.
Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Washington, D.C. to George Bush Intcntl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Washington, D.C. to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to George Bush Intcntl.
Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Washington, D.C. to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Houston George Bush Intcntl Airport (average of $381). Flying from Washington, D.C. to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $496). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from Washington, D.C. to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$107	Average$286	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$108	Average$435	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$186	Average$431	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$197	Average$464	FlexibilityNo cancel fee	On-time69%

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$98+ Cheap flights from Washington, D.C. (WAS) to George Bush Intcntl (IAH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to George Bush Intcntl

Cheapest flights from Washington, D.C. to George Bush IntcntlExplore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.

Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.

Best flights from Washington, D.C. to George Bush IntcntlDiscover carefully curated flight deals from Washington, D.C. to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.

Discover carefully curated flight deals from Washington, D.C. to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.

Last-minute flights from Washington, D.C. to George Bush IntcntlDiscover last-minute flight deals from Washington, D.C. to George Bush Intcntl. Data last updated October 28, 2026 and is based on user searches.

Discover last-minute flight deals from Washington, D.C. to George Bush Intcntl. Data last updated October 28, 2026 and is based on user searches.

One-way flights from Washington, D.C. to George Bush IntcntlSearch for one-way flight options from Washington, D.C. to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.

Search for one-way flight options from Washington, D.C. to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.

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Use the filters below to find and compare flights from Washington, D.C. to Houston George Bush Intcntl Airport that are best for you.

Compare providers for flights from Washington, D.C. to George Bush Intcntl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to George Bush Intcntl in October.

Best time to book a flight from Washington, D.C. to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Washington, D.C. with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

What is the cheapest time of day to fly from WAS to IAH?

Find hourly flight availability from Washington, D.C. to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the afternoon.

How much does it cost to fly round-trip from Washington, D.C. to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Washington, D.C. to Houston George Bush Intcntl Airport flights typically cost between $246 and $433 in November.The cheapest round-trip price found within the last 5 days was $155 on Frontier (Nov 26-Dec 3).

How often are flights from Washington, D.C. to Houston delayed?

About 13% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 167 minutes.

What is the most punctual flight time for Washington, D.C. to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Houston flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

The price you pay for your flight from Washington, D.C. to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to George Bush Intcntl. Price data was last updated on October 24, 2026.

The best insider tips for Washington, D.C. to Houston George Bush Intcntl Airport flights

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Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Houston George Bush Intcntl Airport trip

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Related info for your journey

How long is the flight from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the cheapest airlines flying from Washington, D.C. to Houston George Bush Intcntl Airport round-trip?

What are the cheapest airlines to fly from Washington, D.C. to Houston George Bush Intcntl Airport one-way?

What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the most reliable airlines from Washington, D.C. to Houston George Bush Intcntl Airport?

What are the cheapest flights from Washington, D.C. to Houston George Bush Intcntl Airport?

Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Washington, D.C. to George Bush Intcntl?

Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?

What is the cheapest month to book a flight from Washington, D.C. to Houston George Bush Intcntl Airport?

Traveling to a place near Houston George Bush Intcntl Airport?

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Alternative routes for Washington, D.C. to George Bush Intcntl

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Complete your trip to George Bush Intcntl by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Washington, D.C. to George Bush Intcntl by cabin class

Find flights from Washington, D.C. to George Bush Intcntl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to George Bush Intcntl

Explore flights to George Bush Intcntl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.

Washington, D.C. and George Bush Intcntl flights

Cheapest flights from Washington, D.C. to George Bush Intcntl
Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.

Best flights from Washington, D.C. to George Bush Intcntl
Discover carefully curated flight deals from Washington, D.C. to George Bush Intcntl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.

Last-minute flights from Washington, D.C. to George Bush Intcntl
Discover last-minute flight deals from Washington, D.C. to George Bush Intcntl. Data last updated October 28, 2026 and is based on user searches.

One-way flights from Washington, D.C. to George Bush Intcntl
Search for one-way flight options from Washington, D.C. to George Bush Intcntl. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.

Washington, D.C. to Houston George Bush Intcntl Airport flights typically cost between $246 and $433 in November.
The cheapest round-trip price found within the last 5 days was $155 on Frontier (Nov 26-Dec 3).