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$127+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Jul 22 — Jul 291
Wed 7/22
Wed 7/29
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 June 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sat 8/1512:20 pm
PDX
-
IAH
1 stop10h 20m
Frontier
Wed 8/264:02 pm
IAH
-
PDX
1 stop21h 33m
Frontier
Deal found 6/22$271
This CheapOair deal was found by Cheapflights users on 6/18. 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.
Thu 9/103:22 pm
PDX
-
IAH
1 stop6h 47m
Frontier
Sat 9/129:55 pm
IAH
-
PDX
1 stop18h 32m
Frontier
Deal found 6/18$274
This Frontier deal was found by Cheapflights users on 6/18. 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.
Sat 9/263:22 pm
PDX
-
IAH
1 stop6h 47m
Frontier
Tue 9/296:50 am
IAH
-
PDX
1 stop9h 37m
Frontier
Deal found 6/18$277
This Frontier deal was found by Cheapflights users on 6/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1812:20 pm
PDX
-
IAH
1 stop10h 20m
Frontier
Wed 7/226:30 am
IAH
-
PDX
1 stop12h 06m
Frontier
Deal found 6/21$280
This Expedia deal was found by Cheapflights users on 6/20. 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.
Sat 8/155:36 pm
PDX
-
IAH
1 stop28h 20m
Frontier
Sun 8/303:52 pm
IAH
-
PDX
1 stop21h 43m
Frontier
Deal found 6/20$284
This CheapOair deal was found by Cheapflights users on 6/18. 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 9/127:00 am
SEA
-
IAH
1 stop27h 10m
Frontier
Sat 9/196:50 am
IAH
-
SEA
1 stop19h 37m
Frontier
Deal found 6/18$286
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 10/23:22 pm
PDX
-
IAH
1 stop18h 48m
Frontier
Mon 10/56:50 am
IAH
-
PDX
1 stop11h 45m
Frontier
Deal found 6/20$286
This CheapOair deal was found by Cheapflights users on 6/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:16 pm
PDX
-
IAH
1 stop15h 18m
Frontier
Mon 8/106:14 pm
IAH
-
PDX
1 stop24h 17m
Frontier
Deal found 6/21$287
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 10/67:00 am
SEA
-
IAH
1 stop15h 09m
Frontier
Tue 10/1310:15 pm
IAH
-
SEA
1 stop13h 36m
Frontier
Deal found 6/17$288
This Expedia deal was found by Cheapflights users on 6/19. 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 7/1710:34 am
SEA
-
IAH
1 stop11h 22m
Frontier
Tue 7/216:30 am
IAH
-
SEA
1 stop28h 47m
Frontier
Deal found 6/19$289
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 10/1212:34 pm
PDX
-
IAH
1 stop21h 46m
Frontier
Tue 10/206:30 am
IAH
-
PDX
1 stop12h 05m
Frontier
Deal found 6/17$289
This Super.com deal was found by Cheapflights users on 6/18. 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.
Wed 7/155:21 pm
PDX
-
IAH
1 stop15h 13m
Frontier
Mon 7/206:30 am
IAH
-
PDX
1 stop12h 21m
Frontier
Deal found 6/18$290

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 June 22, 2026.

Round-trip from

$274
(CheapOair)

One-way from

$127
(Super.com)

Popular in

May

Cheapest in

September

Average price

$459
From Washington to Houston
Search Deals
One-way flight from Washington to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 22, 2026.
Use the filters below to find and compare flights from Washington to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sat 9/19

1:36 pm-11:59 pm

1 stop8h 23m

Houston George Bush Intcntl

Wed 9/30

6:16 pm-11:11 pm

1 stop6h 55m

$299

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Wed 8/12

6:16 am-3:14 pm

1 stop6h 58m

Houston George Bush Intcntl

Tue 8/18

5:48 pm-11:09 pm

1 stop7h 21m

$299

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 9/22

12:49 pm-1:31 pm

1 stop22h 42m

Houston George Bush Intcntl

Tue 9/29

6:16 pm-11:11 pm

1 stop6h 55m

$299

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sat 9/19

12:38 pm-11:49 pm

1 stop9h 11m

Houston George Bush Intcntl

Wed 9/30

7:05 am-3:18 pm

2 stops10h 13m

$304

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Sat 9/19

12:38 pm-10:35 pm

1 stop7h 57m

Houston Hobby

Wed 9/30

6:00 am-11:28 am

1 stop7h 28m

$319

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Tue 9/22

6:00 am-3:43 pm

1 stop7h 43m

Houston Hobby

Tue 9/29

6:04 am-11:55 am

1 stop7h 51m

$349

SpokaneHouston

GEG - HOU

GEGHOU

Spokane

Sun 9/20

10:45 pm-10:01 am

1 stop9h 16m

Houston Hobby

Wed 9/30

6:00 am-11:28 am

1 stop7h 28m

$349

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sun 9/20

6:45 am-5:39 pm

1 stop8h 54m

Houston George Bush Intcntl

Wed 9/30

5:40 am-11:28 am

1 stop7h 48m

$349

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Tue 9/22

5:20 am-1:35 pm

1 stop6h 15m

Houston George Bush Intcntl

Wed 9/30

7:06 pm-11:57 pm

1 stop6h 51m

$349

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Sun 10/18

10:45 pm-11:06 am

1 stop10h 21m

Houston George Bush Intcntl

Sun 10/25

7:50 am-6:48 pm

2 stops12h 58m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from State of Washington to Houston (average of $48). Flying from State of Washington to Houston in June is currently the most expensive (average of $190). 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 June 22, 2026.

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 35% versus a flight in the morning.

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

How far ahead should I book a flight from State of Washington to Houston?

The price you pay for your flight from State of Washington to Houston may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 June 20, 2026.

Travelers seeking maximum savings on their State of Washington to Houston flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday 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 Alaska Airlines, Delta, and American Airlines fly from State of Washington to Houston in about 6h 58m. The time it takes to get you to your destination can typically vary by up to 1h 25m. State of Washington and Houston are separated by a distance of 1693 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?

    $74 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 Hawaiian Airlines, with prices starting from $88 and $108, 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 $403, our data shows the cheapest flight currently is $177. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $288 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, April is the cheapest month in which you can book a flight from State of Washington to Houston (average of $48). Flying from State of Washington to Houston in June is currently the most expensive (average of $190). 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 7 airlines flying from Washington to Houston

Discover the top 7 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 June 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$88Average$402FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$97Average$287FlexibilityNo cancel feeOn-time85%
FrontierCheapest$143Average$258FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$163Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$172Average$465FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$204Average$409FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$256Average$411FlexibilityNo cancel feeOn-time63%

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