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$81+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Priceline deal was found by Cheapflights users on 1/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:27 pm
PDX
-
IAH
1 stop10h 21m
Frontier
Sat 5/27:15 am
IAH
-
PDX
1 stop6h 27m
Frontier
Deal found 1/28$210
This CheapOair deal was found by Cheapflights users on 1/26. 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.
Wed 5/131:48 pm
PDX
-
IAH
1 stop17h 01m
Frontier
Mon 5/186:45 am
IAH
-
PDX
1 stop6h 18m
Frontier
Deal found 1/26$212
This Expedia deal was found by Cheapflights users on 1/27. 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.
Thu 5/712:52 pm
PDX
-
IAH
1 stop21h 10m
Multiple Airlines
Wed 5/136:18 pm
IAH
-
PDX
Nonstop4h 32m
Multiple Airlines
Deal found 1/27$214
This CheapOair deal was found by Cheapflights users on 1/27. 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 4/95:19 pm
PDX
-
IAH
1 stop22h 00m
Frontier
Sun 4/1210:56 pm
IAH
-
PDX
1 stop14h 07m
Frontier
Deal found 1/27$215
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/79:24 am
PDX
-
IAH
2 stops20h 34m
Frontier
Sun 3/1510:56 pm
IAH
-
PDX
1 stop14h 13m
Frontier
Deal found 1/27$216
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/72:05 pm
PDX
-
IAH
Nonstop4h 12m
United Airlines
Sun 3/155:00 am
IAH
-
PDX
1 stop6h 54m
United Airlines
Deal found 1/27$217
This Southwest deal was found by Cheapflights users on 1/26. 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.
Tue 2/246:00 am
PDX
-
HOU
1 stop5h 45m
Southwest
Tue 3/36:15 am
HOU
-
PDX
1 stop6h 20m
Southwest
Deal found 1/26$217
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 4/221:48 pm
PDX
-
IAH
1 stop9h 00m
Frontier
Tue 5/56:57 pm
IAH
-
PDX
2 stops42h 06m
Frontier
Deal found 1/27$218
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 4/291:48 pm
PDX
-
IAH
1 stop9h 00m
Frontier
Thu 5/71:58 pm
IAH
-
PDX
2 stops23h 05m
Frontier
Deal found 1/27$219
This CheapOair deal was found by Cheapflights users on 1/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:48 pm
PDX
-
IAH
1 stop17h 01m
Frontier
Mon 5/116:45 am
IAH
-
PDX
1 stop6h 18m
Frontier
Deal found 1/28$221
This Delta deal was found by Cheapflights users on 1/27. 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.
Wed 4/299:05 am
PDX
-
IAH
2 stops12h 43m
Delta
Tue 5/124:00 pm
IAH
-
PDX
1 stop8h 22m
Delta
Deal found 1/27$222
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:11 pm
PDX
-
HOU
2 stops12h 50m
Delta
Tue 3/31:06 pm
HOU
-
PDX
1 stop8h 10m
Delta
Deal found 1/28$222

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 January 29, 2026.

Round-trip from

$210
(Priceline)

One-way from

$81
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$387
From Washington to Houston
Search Deals
One-way flight from Washington to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 29, 2026.
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

Tue 3/3

12:40 am-10:37 am

1 stop7h 57m

Houston George Bush Intcntl

Wed 3/4

7:25 pm-11:53 pm

1 stop6h 28m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 2/24

12:57 pm-7:05 pm

Nonstop4h 08m

Houston George Bush Intcntl

Tue 3/3

3:22 pm-11:04 pm

1 stop9h 42m

$217

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/22

11:59 pm-10:37 am

1 stop8h 38m

Houston George Bush Intcntl

Tue 5/5

8:16 pm-10:59 pm

Nonstop4h 43m

$217

PortlandHouston

PDX - HOU

PDXHOU

Portland

Sat 2/28

7:15 am-8:40 pm

2 stops11h 25m

Houston Hobby

Wed 3/4

9:00 am-1:35 pm

1 stop6h 35m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Fri 4/24

12:30 am-9:51 am

1 stop7h 21m

Houston George Bush Intcntl

Sat 5/2

7:45 am-5:01 pm

2 stops11h 16m

$222

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/6

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Thu 5/14

6:18 pm-8:50 pm

Nonstop4h 32m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 5/6

10:52 am-5:18 pm

Nonstop4h 26m

Houston George Bush Intcntl

Sun 5/10

6:18 pm-8:50 pm

Nonstop4h 32m

$227

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 4/6

12:30 am-3:03 pm

2 stops12h 33m

Houston George Bush Intcntl

Mon 4/13

6:32 pm-11:53 pm

1 stop7h 21m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 4/1

1:45 pm-9:36 pm

1 stop5h 51m

Houston George Bush Intcntl

Fri 4/10

4:00 pm-11:54 pm

2 stops9h 54m

$232

PortlandHouston

PDX - IAH

PDXIAH

Portland

Thu 5/7

2:24 pm-12:39 am

1 stop8h 15m

Houston George Bush Intcntl

Mon 5/11

8:16 pm-10:59 pm

Nonstop4h 43m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 $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 January 29, 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 43% 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 January 24, 2026.

Travelers seeking maximum savings on their State of Washington to Houston flight should consider departing on Monday 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.

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 Delta, United Airlines, and Southwest fly from State of Washington to Houston in about 4h 08m. The time it takes to get you to your destination can typically vary by up to 7h 17m. 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?

    $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 Spirit Airlines and United Airlines, with prices starting from $88 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.

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

    While on average a flight from State of Washington to Houston is generally $328, our data shows the cheapest flight currently is $288. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $151 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 $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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$220FlexibilityNo cancel feeOn-time65%
DeltaCheapest$117Average$368FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$128Average$345FlexibilityNo cancel feeOn-time85%
FrontierCheapest$146Average$275FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$172Average$458FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$207Average$431FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$236Average$469FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$256Average$435FlexibilityNo cancel feeOn-time63%

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