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$71+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

This Frontier deal was found by Cheapflights users on 10/29. 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 11/1312:03 pmGEG - IAH
1 stop9h 36mFrontier
Sun 11/166:00 amIAH - GEG
1 stop7h 08mFrontier
Deal found 10/29$182
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 12/610:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$196
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/181:26 pmPDX - IAH
1 stop21h 13mFrontier
Sun 11/2310:22 amIAH - PDX
2 stops30h 54mFrontier
Deal found 10/28$197
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Mon 11/245:15 pmPDX - IAH
1 stop18h 42mFrontier
Sat 12/63:31 pmIAH - PDX
2 stops20h 03mFrontier
Deal found 10/28$198
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/237:09 pmPDX - IAH
1 stop16h 48mFrontier
Tue 12/27:59 pmIAH - PDX
2 stops41h 57mFrontier
Deal found 10/29$201
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Sat 12/69:48 amPDX - IAH
1 stop7h 44mMultiple Airlines
Thu 12/1110:28 pmIAH - PDX
2 stops15h 28mMultiple Airlines
Deal found 10/30$202
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/181:26 pmPDX - IAH
2 stops18h 07mFrontier
Mon 11/249:27 pmIAH - PDX
1 stop12h 37mFrontier
Deal found 10/28$203
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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.
Fri 12/510:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$205
This Priceline deal was found by Cheapflights users on 10/29. 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.
Mon 11/172:22 pmSEA - IAH
1 stop7h 17mFrontier
Wed 11/197:00 amIAH - SEA
1 stop7h 07mFrontier
Deal found 10/29$206
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 12/410:42 amPDX - IAH
Nonstop4h 13mAlaska Airlines
Wed 12/105:55 pmIAH - PDX
Nonstop4h 44mAlaska Airlines
Deal found 10/30$206
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Tue 11/252:31 pmPDX - IAH
1 stop7h 07mFrontier
Sat 12/611:32 amIAH - PDX
1 stop26h 24mFrontier
Deal found 10/28$207
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Sat 11/1512:58 pmSEA - IAH
1 stop8h 31mFrontier
Sun 11/239:33 pmIAH - SEA
1 stop17h 49mFrontier
Deal found 10/28$208

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 October 30, 2025.

Round-trip from

$182
(Frontier)

One-way from

$71
(Priceline)

Popular in

December

Cheapest in

September

Average price

$321
From Washington to Houston
Search Deals
One-way flight from Washington to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 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

Wed 1/14

12:59 pm-7:10 pm

Nonstop4h 11m

Houston George Bush Intcntl

Sun 1/18

9:30 am-12:18 pm

Nonstop4h 48m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 12/4

10:42 am-4:55 pm

Nonstop4h 13m

Houston George Bush Intcntl

Thu 12/11

5:55 pm-8:39 pm

Nonstop4h 44m

$216

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 12/5

12:55 pm-7:01 pm

Nonstop4h 06m

Houston George Bush Intcntl

Sun 12/14

9:30 am-12:12 pm

Nonstop4h 42m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 12/6

6:10 am-5:33 pm

1 stop9h 23m

Houston Hobby

Sat 12/13

10:39 am-10:10 pm

2 stops13h 31m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 12/6

10:05 am-9:47 pm

2 stops9h 42m

Houston George Bush Intcntl

Sat 12/13

2:30 pm-10:58 pm

2 stops10h 28m

$227

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 12/3

11:54 am-10:48 pm

1 stop8h 54m

Houston Hobby

Sun 12/7

2:32 pm-10:19 pm

1 stop9h 47m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 1/14

6:00 am-6:48 pm

2 stops10h 48m

Houston George Bush Intcntl

Sun 1/18

6:15 am-1:38 pm

1 stop9h 23m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 12/5

12:32 am-12:01 pm

1 stop9h 29m

Houston George Bush Intcntl

Mon 12/15

11:02 am-6:14 pm

2 stops9h 12m

$232

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sun 1/25

7:10 am-6:10 pm

1 stop9h 00m

Houston Hobby

Thu 1/29

9:00 am-1:35 pm

1 stop6h 35m

$237

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 1/31

9:30 am-8:20 pm

1 stop8h 50m

Houston Hobby

Mon 2/9

8:05 am-1:45 pm

1 stop7h 40m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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, October is the cheapest month in which you can book a flight from State of Washington to Houston (average of $93). Flying from State of Washington to Houston in March is currently the most expensive (average of $196). 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 October 30, 2025.

When flying from State of Washington to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight at noon.

What is the cheapest day to fly from State of Washington to Houston?

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

Travelers seeking maximum savings on their State of Washington to Houston flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 United Airlines, Alaska Airlines, and Delta fly from State of Washington to Houston in about 4h 11m. The time it takes to get you to your destination can typically vary by up to 5h 12m. 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?

    $71 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 Southwest, with prices starting from $109 and $109, 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 $283, our data shows the cheapest flight currently is $230. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $152 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, October is the cheapest month in which you can book a flight from State of Washington to Houston (average of $93). Flying from State of Washington to Houston in March is currently the most expensive (average of $196). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$81Average$328FlexibilityNo cancel feeOn-time65%
FrontierCheapest$127Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$381FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$150Average$355FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$236Average$463FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$239Average$450FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$254Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$426FlexibilityNo cancel feeOn-time63%

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