Washington, D.C.

$55+ Cheap flights from Houston to Washington, D.C. (WAS)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — WAS
nov. 22 — nov. 291
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Find cheap flights from Houston to Washington, D.C. with Cheapflights

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Cheapflights Tip: The best prices from Houston to Washington, D.C. are usually found in September or October, booked 80 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

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

Cheapest flights from Houston to Washington, D.C.
Explore the most affordable flight options available from Houston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 23, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/136:30 amIAH - BWI
Nonstop2h 54mSpirit Airlines
dom. 11/1610:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/23$115
This Spirit deal was found by Cheapflights users on 10/21. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:30 amIAH - BWI
Nonstop2h 54mSpirit Airlines
dom. 11/1610:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/21$116
This Frontier deal was found by Cheapflights users on 10/23. 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.
jue. 12/116:15 amIAH - BWI
Nonstop3h 04mFrontier
dom. 12/1411:14 amBWI - IAH
Nonstop3h 42mFrontier
Deal found 10/23$117
This Priceline deal was found by Cheapflights users on 10/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/48:53 pmIAH - BWI
1 stop10h 36mMultiple Airlines
dom. 12/711:14 amBWI - IAH
Nonstop3h 42mMultiple Airlines
Deal found 10/22$118
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
mar. 11/1111:52 amIAH - BWI
Nonstop2h 58mSpirit Airlines
lun. 11/1710:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/22$119
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
sáb. 11/85:27 pmIAH - BWI
1 stop5h 44mSpirit Airlines
mar. 11/1110:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/21$120
This CheapOair deal was found by Cheapflights users on 10/23. 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.
jue. 11/207:50 amIAH - BWI
1 stop12h 01mFrontier
jue. 11/2711:14 amBWI - IAH
Nonstop3h 40mFrontier
Deal found 10/23$121
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/258:29 amIAH - BWI
1 stop7h 55mSpirit Airlines
vie. 11/286:21 pmBWI - IAH
Nonstop3h 41mSpirit Airlines
Deal found 10/23$122
This Orbitz deal was found by Cheapflights users on 10/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/62:59 pmIAH - BWI
1 stop7h 50mSpirit Airlines
mar. 11/1110:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/22$123
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
mar. 11/258:29 amIAH - BWI
1 stop7h 55mSpirit Airlines
sáb. 12/68:30 pmBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/22$124
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
mié. 12/175:20 amIAH - BWI
Nonstop2h 57mMultiple Airlines
jue. 12/2512:39 pmBWI - IAH
Nonstop3h 42mMultiple Airlines
Deal found 10/22$125
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
sáb. 11/155:27 pmIAH - BWI
1 stop5h 44mSpirit Airlines
dom. 11/1610:22 amBWI - IAH
Nonstop3h 38mSpirit Airlines
Deal found 10/22$126

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

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Washington, D.C. (WAS). 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 octubre 23, 2025.

Round-trip from

$115
(Cheapflightsfares)

One-way from

$55
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$204
From Houston to Washington, D.C. (WAS)
One-way flight from Houston to Washington, D.C. (WAS)
Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Washington, D.C. 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 octubre 23, 2025.
Use the filters below to find and compare flights from Houston to Washington, D.C. that are best for you.

Fly from

Houston

Fly to

Washington, D.C.

Route

Depart

Return

Price

HoustonBaltimore

IAH - BWI

IAHBWI

Houston George Bush Intcntl

vie. 1/9

6:22 pm-10:25 pm

Nonstop3h 03m

Baltimore/Washington

sáb. 1/17

12:25 pm-3:10 pm

Nonstop3h 45m

$137

HoustonBaltimore

HOU - BWI

HOUBWI

Houston Hobby

sáb. 12/13

6:05 pm-10:00 pm

Nonstop2h 55m

Baltimore/Washington

lun. 12/15

6:45 am-9:25 am

Nonstop3h 40m

$181

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

sáb. 1/10

8:00 pm-11:59 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

dom. 1/11

7:59 pm-10:41 pm

Nonstop3h 42m

$181

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

sáb. 1/24

2:35 pm-9:22 pm

1 stop5h 47m

Washington, D.C. Dulles Intl

sáb. 1/31

12:50 pm-3:35 pm

Nonstop3h 45m

$186

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

dom. 12/14

5:00 am-11:58 am

1 stop5h 58m

Washington, D.C. Reagan-National

mar. 12/16

8:15 am-10:56 am

Nonstop3h 41m

$191

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

vie. 12/5

6:05 pm-10:04 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

dom. 12/7

6:00 am-8:35 am

Nonstop3h 35m

$199

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

vie. 1/23

4:50 pm-8:49 pm

Nonstop2h 59m

Washington, D.C. Dulles Intl

lun. 1/26

6:03 am-8:45 am

Nonstop3h 42m

$199

HoustonWashington, D.C.

IAH - DCA

IAHDCA

Houston George Bush Intcntl

vie. 11/7

8:48 pm-9:59 pm

1 stop24h 11m

Washington, D.C. Reagan-National

lun. 11/10

6:00 pm-9:52 pm

1 stop28h 52m

$202

HoustonBaltimore

HOU - BWI

HOUBWI

Houston Hobby

sáb. 12/13

6:05 pm-10:00 pm

Nonstop2h 55m

Baltimore/Washington

dom. 12/14

5:50 pm-9:35 pm

1 stop4h 45m

$207

HoustonBaltimore

HOU - BWI

HOUBWI

Houston Hobby

jue. 12/4

11:15 am-3:10 pm

Nonstop2h 55m

Baltimore/Washington

lun. 12/8

6:45 am-9:25 am

Nonstop3h 40m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 60 results
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Best time to book a flight from Houston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Houston 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 Houston to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Washington, D.C.. Price data was last updated on October 17, 2025.

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Houston to Washington, D.C. (average of $50). Flying from Houston to Washington, D.C. in July is currently the most expensive (average of $124). 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 HOU to WAS?

Find hourly flight availability from Houston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

It’s optimal to fly from Houston to Washington, D.C. in the evening. By choosing this option you can save up to 27% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Houston to Washington, D.C.. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Washington, D.C. flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

The best insider tips for Houston to Washington, D.C. flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston to Washington, D.C. trip
Airports
IAH

Check the IAH Depart tab online for current security wait times to ensure a smooth departure.

Read more about IAHby Evie Carrick
HOU

HOU's single terminal means you can arrive closer to your flight’s departure time, minimizing wait times.

Read more about HOUby Scott Laird
DCA

DCA's Metro stop on the Yellow and Blue lines offers a clean, affordable way to reach D.C. destinations.

Read more about DCAby Emily Zemler
IAD

The Silver line Metro connects IAD to D.C. in under 40 minutes, offering a cost-effective travel option.

Read more about IADby Ramsey Qubein
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

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 Zemler

Emily Zemler

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

Ramsey Qubein

Ramsey Qubein

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

Scott Laird

Scott Laird

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 Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated octubre 23, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Houston to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

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 Houston to Washington, D.C.. 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 Houston to Washington, D.C.?

    Departing from Houston to Washington, D.C. will take you 2h 55m. The distance between Houston and Washington, D.C. is about 1244 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Washington, D.C. round-trip?

    Our cheapest airline available from Houston to Washington, D.C. is Spirit Airlines. Our recent data shows that you can find tickets from as low as $54 on this airline. Additional options worth looking into are Frontier and Delta, starting at $128 and $144 round-trip. You may be able to fly from Houston to Washington, D.C. for 79% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Houston to Washington, D.C. for a low price.

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Houston to Washington, D.C. (average of $50). Flying from Houston to Washington, D.C. in July is currently the most expensive (average of $124). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Springfield
Silver Spring
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Largo
Oxon Hill
Laurel
Towson
National Harbor
Waldorf

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Houston to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Houston to Washington, D.C.

Discover the top 6 airlines that operate flights from Houston to Washington, D.C.. 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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$54Average$224FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$247FlexibilityNo cancel feeOn-time62%
DeltaCheapest$144Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$147Average$420FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$156Average$386FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$189Average$342FlexibilityNo cancel feeOn-time63%

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