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$90+ Cheap flights from Washington 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Washington to Houston

Keep the following information in mind while searching for Washington to Houston flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$177
(Alaska Airlines)

One-way from

$90
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$284
From Washington to Houston
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One-way flight from Washington to Houston
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Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to Houston

Cheapest flights from Washington to Houston
Explore the most affordable flight options available from Washington to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/710:38 amPDX - IAH
Nonstop4h 02mAlaska Airlines
mié. 10/225:45 pmIAH - PDX
Nonstop4h 26mAlaska Airlines
Deal found 9/11$177
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
vie. 10/2412:43 pmPDX - IAH
1 stop8h 53mFrontier
lun. 10/276:33 pmIAH - PDX
2 stops19h 23mFrontier
Deal found 9/10$179
This CheapOair deal was found by Cheapflights users on 9/11. 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. 10/26:05 amPDX - IAH
1 stop27h 04mFrontier
dom. 10/55:07 pmIAH - PDX
1 stop19h 26mFrontier
Deal found 9/11$180
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:15 amPDX - IAH
1 stop11h 59mFrontier
lun. 9/296:15 amIAH - PDX
1 stop19h 57mFrontier
Deal found 9/10$183
This Priceline deal was found by Cheapflights users on 9/10. 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.
vie. 10/1712:43 pmPDX - IAH
1 stop8h 53mFrontier
lun. 10/206:00 amIAH - PDX
1 stop7h 48mFrontier
Deal found 9/10$186
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/2510:10 pmPDX - HOU
1 stop9h 08mDelta
sáb. 11/16:00 amHOU - PDX
2 stops12h 05mDelta
Deal found 9/10$186
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/3110:47 amPDX - IAH
Nonstop4h 03mAlaska Airlines
mar. 11/115:51 pmIAH - PDX
Nonstop4h 32mAlaska Airlines
Deal found 9/10$187
This Frontier deal was found by Cheapflights users on 9/10. 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. 10/912:43 pmPDX - IAH
1 stop8h 53mFrontier
mar. 10/146:00 amIAH - PDX
1 stop7h 48mFrontier
Deal found 9/10$188
This Delta deal was found by Cheapflights users on 9/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1212:46 pmPDX - IAH
1 stop9h 10mDelta
sáb. 11/1512:30 pmIAH - PDX
1 stop9h 00mDelta
Deal found 9/9$189
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/1210:05 amPDX - HOU
2 stops8h 25mSouthwest
sáb. 11/155:25 amHOU - PDX
1 stop6h 20mSouthwest
Deal found 9/10$189
This CheapOair deal was found by Cheapflights users on 9/11. 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. 9/256:05 amPDX - IAH
1 stop15h 34mFrontier
dom. 9/286:15 amIAH - PDX
1 stop19h 57mFrontier
Deal found 9/11$191
This Frontier deal was found by Cheapflights users on 9/10. 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.
vie. 10/1012:44 pmPDX - IAH
1 stop8h 52mFrontier
vie. 10/176:00 amIAH - PDX
1 stop7h 48mFrontier
Deal found 9/10$196

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 septiembre 11, 2025.
Use the filters below to find and compare flights from Washington to Houston that are best for you.

Fly from

Washington

Fly to

Houston

Route

Depart

Return

Price

PortlandHouston

PDX - IAH

PDXIAH

Portland

mié. 10/29

10:47 am-4:50 pm

Nonstop4h 03m

Houston George Bush Intcntl

mié. 11/5

5:51 pm-8:23 pm

Nonstop4h 32m

$177

PortlandHouston

PDX - IAH

PDXIAH

Portland

sáb. 1/31

9:10 am-9:40 pm

2 stops10h 30m

Houston George Bush Intcntl

sáb. 2/7

10:45 am-4:51 pm

1 stop8h 06m

$186

PortlandHouston

PDX - IAH

PDXIAH

Portland

mié. 11/12

12:46 pm-11:56 pm

1 stop9h 10m

Houston George Bush Intcntl

sáb. 11/15

12:30 pm-7:30 pm

1 stop9h 00m

$189

PortlandHouston

PDX - IAH

PDXIAH

Portland

vie. 10/31

10:47 am-4:50 pm

Nonstop4h 03m

Houston George Bush Intcntl

lun. 11/10

5:51 pm-8:23 pm

Nonstop4h 32m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

lun. 10/6

12:40 am-9:58 am

1 stop7h 18m

Houston George Bush Intcntl

mié. 10/22

11:30 am-6:09 pm

1 stop8h 39m

$197

PortlandHouston

PDX - HOU

PDXHOU

Portland

mié. 12/17

2:05 pm-10:55 pm

1 stop6h 50m

Houston Hobby

mar. 1/6

6:15 am-10:50 am

1 stop6h 35m

$200

PortlandHouston

PDX - IAH

PDXIAH

Portland

mar. 10/28

12:40 am-12:24 pm

2 stops9h 44m

Houston George Bush Intcntl

mié. 11/5

2:30 pm-8:26 pm

1 stop7h 56m

$202

PortlandHouston

PDX - HOU

PDXHOU

Portland

mar. 10/14

5:10 am-3:10 pm

2 stops8h 00m

Houston Hobby

sáb. 10/18

8:40 am-2:40 pm

1 stop8h 00m

$205

PortlandHouston

PDX - IAH

PDXIAH

Portland

vie. 12/12

3:55 pm-12:59 am

1 stop7h 04m

Houston George Bush Intcntl

dom. 1/11

9:30 am-12:18 pm

Nonstop4h 48m

$207

PortlandHouston

PDX - HOU

PDXHOU

Portland

sáb. 11/1

7:40 am-5:05 pm

2 stops7h 25m

Houston Hobby

lun. 11/10

5:35 pm-11:35 pm

1 stop8h 00m

$207

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

Have a flexible travel schedule? Discover the best time to fly to Houston from Washington 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 to Houston

What is the cheapest month to book a flight from State of Washington to Houston?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Houston (average of $230). Flying from State of Washington to Houston in March is currently the most expensive (average of $331). 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 WA to HOU?

Find hourly flight availability from Washington 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 septiembre 11, 2025.

When flying from State of Washington to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from State of Washington to Houston?

Related info for your journey

Find useful and relevant information for your journey from Washington 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 State of Washington to Houston?

    Airlines like Alaska Airlines, Delta, and Southwest fly from State of Washington to Houston in about 4h 03m. The time it takes to get you to your destination can typically vary by up to 6h 27m. State of Washington and Houston are separated by a distance of 1821 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from State of Washington to Houston one-way?

    $97 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and Alaska Airlines, with prices starting from $99 and $104, respectively.

  • What are the most popular routes from State of Washington to Houston?

    When deciding which route to take from State of Washington to Houston consider Seattle/Tacoma Intl - Houston Hobby, Seattle/Tacoma Intl - Houston George Bush Intcntl or Portland - Houston Hobby as they are the most popular.

  • What are the cheapest flights from State of Washington to Houston?

    While on average a flight from State of Washington to Houston is generally $246, our data shows the cheapest flight currently is $87. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $163 for that flight.

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

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

  • How can I find direct flights from Washington to Houston?

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

  • Can I find deals for business class flights from Washington to Houston?

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Houston?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Houston (average of $230). Flying from State of Washington to Houston in March is currently the most expensive (average of $331). 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

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Alternative routes for Washington to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Washington to Houston

Discover the top 8 airlines that operate flights from Washington 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$306FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$244FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$399FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$185Average$362FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$244Average$486FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$254Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$506FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$422FlexibilityNo cancel feeOn-time63%

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