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$135+ Cheap flights from Washington, D.C. (WAS) to Houston

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HOU
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Find cheap flights from Washington, D.C. to Houston with Cheapflights

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Cheapflights Tip: The best prices from Washington, D.C. to Houston are usually found in October or January, booked 36 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Houston

Cheapest flights from Washington, D.C. to Houston
Explore the most affordable flight options available from Washington, D.C. to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:48 am
IAD
-
IAH
2 stops11h 37m
Frontier
Thu 8/206:00 am
IAH
-
IAD
1 stop10h 14m
Frontier
Deal found 7/15$241
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:36 pm
IAD
-
IAH
2 stops17h 04m
Multiple Airlines
Sun 9/271:35 pm
IAH
-
IAD
1 stop9h 53m
Multiple Airlines
Deal found 7/15$242
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
IAD
-
IAH
1 stop11h 08m
Frontier
Sat 8/224:32 pm
IAH
-
IAD
1 stop5h 20m
Frontier
Deal found 7/15$243
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:45 am
IAD
-
IAH
1 stop6h 29m
Frontier
Sat 8/298:57 am
IAH
-
IAD
1 stop6h 10m
Frontier
Deal found 7/16$244
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/241:59 pm
DCA
-
IAH
1 stop8h 20m
Frontier
Wed 9/211:35 am
IAH
-
DCA
1 stop9h 24m
Frontier
Deal found 7/16$244
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/138:33 pm
IAD
-
IAH
1 stop11h 47m
Frontier
Sat 8/156:13 am
IAH
-
IAD
1 stop9h 21m
Frontier
Deal found 7/15$245
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 pm
DCA
-
IAH
1 stop7h 40m
Frontier
Sat 8/2211:35 am
IAH
-
DCA
1 stop9h 24m
Frontier
Deal found 7/15$245
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:39 pm
IAD
-
IAH
1 stop11h 41m
Frontier
Tue 9/2212:21 pm
IAH
-
IAD
1 stop5h 48m
Frontier
Deal found 7/16$246
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am
IAD
-
IAH
1 stop6h 40m
Frontier
Wed 9/3012:21 pm
IAH
-
IAD
1 stop5h 48m
Frontier
Deal found 7/14$247
This CheapOair deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 pm
DCA
-
IAH
1 stop7h 55m
Frontier
Mon 9/710:04 pm
IAH
-
DCA
1 stop17h 55m
Frontier
Deal found 7/14$247
This Frontier deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:45 am
IAD
-
IAH
1 stop6h 29m
Frontier
Thu 9/38:57 am
IAH
-
IAD
1 stop6h 10m
Frontier
Deal found 7/16$248
This Super.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:59 pm
DCA
-
IAH
1 stop8h 20m
Frontier
Mon 8/246:30 am
IAH
-
DCA
1 stop9h 29m
Frontier
Deal found 7/16$248

Find flight deals from Washington, D.C. to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 17, 2026.

Round-trip from

$241
(Kiwi.com)

One-way from

$135
(Southwest)

Popular in

June

Cheapest in

October

Average price

$384
From Washington, D.C. (WAS) to Houston
Search Deals
One-way flight from Washington, D.C. (WAS) to Houston
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Houston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreHouston

BWI - HOU

BWIHOU

Baltimore/Washington

Mon 9/28

7:10 am-9:25 am

Nonstop3h 15m

Houston Hobby

Tue 10/6

3:05 pm-7:00 pm

Nonstop2h 55m

$269

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 8/18

10:58 am-1:18 pm

Nonstop3h 20m

Houston George Bush Intcntl

Sat 8/22

7:50 pm-11:59 pm

Nonstop3h 09m

$269
Quickest round-trip

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Thu 8/6

6:40 pm-8:50 pm

Nonstop3h 10m

Houston Hobby

Mon 8/17

7:05 am-11:00 am

Nonstop2h 55m

$269

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 8/5

5:40 pm-7:55 pm

Nonstop3h 15m

Houston Hobby

Thu 8/6

2:10 pm-6:10 pm

Nonstop3h 00m

$269

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Mon 9/28

6:50 am-9:05 am

Nonstop3h 15m

Houston Hobby

Thu 10/1

7:40 pm-11:40 pm

Nonstop3h 00m

$269

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Wed 8/12

11:40 am-3:10 pm

1 stop4h 30m

Houston Hobby

Tue 8/18

2:05 pm-6:05 pm

Nonstop3h 00m

$275

Washington, D.C.Houston

DCA - HOU

DCAHOU

Washington, D.C. Reagan-National

Tue 8/11

11:40 am-3:10 pm

1 stop4h 30m

Houston Hobby

Thu 8/13

7:05 am-11:00 am

Nonstop2h 55m

$275

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 8/11

6:10 am-11:01 am

1 stop5h 51m

Houston George Bush Intcntl

Fri 8/14

11:53 am-10:59 pm

1 stop10h 06m

$276

BaltimoreHouston

BWI - HOU

BWIHOU

Baltimore/Washington

Wed 8/5

7:45 am-10:00 am

Nonstop3h 15m

Houston Hobby

Wed 8/5

12:30 pm-8:25 pm

1 stop6h 55m

$279

BaltimoreHouston

BWI - HOU

BWIHOU

Baltimore/Washington

Wed 8/12

7:45 am-10:00 am

Nonstop3h 15m

Houston Hobby

Tue 8/18

11:20 am-6:45 pm

1 stop6h 25m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Houston

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

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

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Houston (average of $387). Flying from Washington, D.C. to Houston in December is currently the most expensive (average of $820). 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 HOU?

Find hourly flight availability from Washington, D.C. to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 17, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

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

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

About 14% of weekly flights between Washington, D.C. and Houston have experienced delays in the past year, with the average delay time being 165 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?

To ensure you get the cheapest price possible for a flight from Washington, D.C. to Houston, you should look to book at least 35 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Washington, D.C. to Houston?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Houston. Price data was last updated on July 11, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Houston flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday afternoons 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 flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Houston trip
Our travel experts
Evie Carrick

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.

Read more
Emily Zemler

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.

Read more
Ramsey Qubein

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.

Read more
Scott Laird

Scott Laird

Expert on HOU

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated July 17, 2026.
Peruse reviews from past customers who have flown with Southwest,United Airlines, andAmerican Airlines from Washington, D.C. to Houston 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.
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,997 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.1
Good
11,815 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.1
Good
3,012 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.6
Fair
2,793 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. to Houston?

    There are many flights that can get you from Washington, D.C. to Houston in 3h 15m. Fly via Southwest, United Airlines, or JetBlue to get the fastest option. The distance between Washington, D.C. and Houston is about 1244 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 round-trip?

    Our cheapest airline available from Washington, D.C. to Houston is Frontier. Our recent data shows that you can find tickets from as low as $104 on this airline. Additional options worth looking into are Southwest and United Airlines, starting at $239 and $240 round-trip. Frontier is 68% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Houston one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $58. United Airlines flights start at $88 while deals on American Airlines start at $120 one-way.

  • What are the most popular routes from Washington, D.C. to Houston?

    The most popular flight routes from Washington, D.C. to Houston are Baltimore/Washington - Houston Hobby, Washington, D.C. Reagan-National - Houston Hobby and Washington, D.C. Dulles Intl - Houston Hobby.

  • Can I find deals for flights from Washington, D.C. to Houston that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Houston?

    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 Houston.

  • Can I find deals for business class flights from Washington, D.C. to Houston?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Houston 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?

    Currently, November is the cheapest month in which you can book a flight from Washington, D.C. to Houston (average of $387). Flying from Washington, D.C. to Houston in December is currently the most expensive (average of $820). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Washington, D.C. to Houston

Discover the top 5 airlines that operate flights from Washington, D.C. to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$87Average$248FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$449FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$177Average$431FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$186Average$434FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$199Average$436FlexibilityNo cancel feeOn-time63%

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