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$95+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Travelocity deal was found by Cheapflights users on 12/14. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:54 pmSEA - IAH
1 stop7h 44mFrontier
Mon 1/52:22 pmIAH - SEA
1 stop29h 29mFrontier
Deal found 12/14$253
This Frontier deal was found by Cheapflights users on 12/15. 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.
Fri 12/1911:06 amSEA - IAH
1 stop10h 36mFrontier
Sat 1/108:35 amIAH - SEA
1 stop6h 59mFrontier
Deal found 12/15$282
This Priceline deal was found by Cheapflights users on 12/13. 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 12/2911:06 amSEA - IAH
1 stop10h 36mFrontier
Sun 1/116:45 amIAH - SEA
1 stop6h 36mFrontier
Deal found 12/13$288
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:59 amSEA - IAH
1 stop6h 56mAmerican Airlines
Wed 1/78:02 amIAH - SEA
1 stop8h 00mAmerican Airlines
Deal found 12/14$293
This Expedia deal was found by Cheapflights users on 12/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1911:06 amSEA - IAH
1 stop10h 36mFrontier
Mon 1/52:22 pmIAH - SEA
1 stop29h 29mFrontier
Deal found 12/14$303
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:34 pmSEA - IAH
1 stop7h 03mAmerican Airlines
Sat 1/105:50 amIAH - SEA
1 stop7h 11mAmerican Airlines
Deal found 12/14$307
This Priceline deal was found by Cheapflights users on 12/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:02 pmGEG - IAH
1 stop10h 36mFrontier
Sat 1/36:45 amIAH - GEG
1 stop6h 22mFrontier
Deal found 12/15$308
This Expedia deal was found by Cheapflights users on 12/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:06 amSEA - IAH
1 stop10h 36mMultiple Airlines
Mon 1/127:17 pmIAH - SEA
Nonstop4h 53mMultiple Airlines
Deal found 12/13$316
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/311:25 pmSEA - IAH
2 stops32h 02mFrontier
Wed 1/78:15 amIAH - SEA
1 stop29h 06mFrontier
Deal found 12/14$318
This CheapOair deal was found by Cheapflights users on 12/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:54 pmSEA - IAH
1 stop7h 44mFrontier
Tue 12/302:22 pmIAH - SEA
1 stop25h 29mFrontier
Deal found 12/15$325
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/311:25 pmSEA - IAH
1 stop9h 13mFrontier
Mon 1/56:45 amIAH - SEA
1 stop7h 45mFrontier
Deal found 12/15$333
This Priceline deal was found by Cheapflights users on 12/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:02 pmGEG - IAH
1 stop10h 36mFrontier
Sat 12/276:45 amIAH - GEG
1 stop6h 22mFrontier
Deal found 12/14$367

Find flight deals from Washington to Houston

Keep the following information in mind while searching for Washington to Houston flight deals. Data was last updated December 16, 2025.

Round-trip from

$171
(Kiwi.com)

One-way from

$95
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$437
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 ($11 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 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 December 16, 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

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 2/19

12:22 pm-12:33 am

1 stop10h 11m

Houston George Bush Intcntl

Wed 2/25

8:45 am-11:27 am

1 stop28h 42m

$171

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

1:32 pm-9:44 pm

1 stop6h 12m

Houston George Bush Intcntl

Wed 3/11

6:35 am-12:10 pm

1 stop7h 35m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 3/6

2:00 pm-8:09 pm

Nonstop4h 09m

Houston George Bush Intcntl

Wed 3/11

9:45 am-12:35 pm

Nonstop4h 50m

$197

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 1/13

10:00 am-5:46 pm

1 stop5h 46m

Houston George Bush Intcntl

Tue 1/20

3:03 pm-11:55 pm

2 stops10h 52m

$202

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 2/19

12:22 pm-12:33 am

1 stop10h 11m

Houston George Bush Intcntl

Wed 2/25

3:19 pm-11:27 am

2 stops22h 08m

$204

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 1/31

1:38 pm-11:54 pm

1 stop8h 16m

Houston George Bush Intcntl

Mon 2/9

7:00 am-12:38 pm

1 stop7h 38m

$206

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 1/13

10:47 am-4:55 pm

Nonstop4h 08m

Houston George Bush Intcntl

Tue 1/20

7:00 am-12:38 pm

1 stop7h 38m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 3/7

2:05 pm-8:17 pm

Nonstop4h 12m

Houston George Bush Intcntl

Wed 3/11

11:56 am-7:14 pm

1 stop9h 18m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 2/28

6:00 am-6:46 pm

2 stops10h 46m

Houston George Bush Intcntl

Tue 3/10

2:09 pm-11:54 pm

2 stops11h 45m

$207

PortlandHouston

PDX - IAH

PDXIAH

Portland

Sat 1/31

1:35 pm-9:59 pm

1 stop6h 24m

Houston George Bush Intcntl

Sun 2/8

5:00 am-11:57 am

1 stop8h 57m

$212

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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 June is currently the most expensive (average of $202). 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 December 16, 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 29% versus a flight in the morning.

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 Frontier, Delta, and United Airlines fly from State of Washington to Houston in about 4h 09m. The time it takes to get you to your destination can typically vary by up to 6h 02m. 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?

    $38 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and United Airlines, with prices starting from $78 and $111, 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.

  • 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 June is currently the most expensive (average of $202). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$57Average$309FlexibilityNo cancel feeOn-time65%
DeltaCheapest$125Average$369FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$134Average$246FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$355FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$172Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$428FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$239Average$429FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$256Average$431FlexibilityNo cancel feeOn-time63%

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