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$112+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$183
(United Airlines)

One-way from

$112
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$412
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 ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:04 amPDX - IAH
Nonstop4h 12mUnited Airlines
Wed 9/33:37 pmIAH - PDX
1 stop9h 00mUnited Airlines
Deal found 7/29$183
This CheapOair deal was found by Cheapflights users on 7/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:52 pmPDX - IAH
1 stop8h 03mSpirit Airlines
Sat 8/309:14 amIAH - PDX
1 stop11h 43mSpirit Airlines
Deal found 7/29$184
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:24 pmPDX - IAH
1 stop8h 42mHawaiian Airlines
Mon 9/295:59 pmIAH - PDX
Nonstop4h 26mHawaiian Airlines
Deal found 7/28$187
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/2012:46 amPDX - IAH
1 stop7h 04mDelta
Mon 8/257:00 amIAH - PDX
1 stop6h 39mDelta
Deal found 7/28$197
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:59 pmPDX - HOU
1 stop6h 22mAmerican Airlines
Wed 9/36:00 amHOU - PDX
1 stop6h 52mAmerican Airlines
Deal found 7/30$197
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/199:05 pmPDX - HOU
1 stop9h 30mSouthwest
Sun 8/246:40 pmHOU - PDX
1 stop7h 25mSouthwest
Deal found 7/30$207
This CheapOair deal was found by Cheapflights users on 7/28. 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.
Thu 11/611:44 amPDX - IAH
1 stop7h 53mMultiple Airlines
Sun 11/98:08 pmIAH - PDX
1 stop6h 08mMultiple Airlines
Deal found 7/28$211
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2311:49 amSEA - IAH
Nonstop4h 39mAlaska Airlines
Wed 9/247:28 pmIAH - SEA
Nonstop4h 49mAlaska Airlines
Deal found 7/30$217
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:45 pmSEA - HOU
Nonstop4h 15mSouthwest
Tue 9/910:20 amHOU - SEA
Nonstop4h 35mSouthwest
Deal found 7/29$217
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2111:53 amGEG - IAH
1 stop16h 12mMultiple Airlines
Mon 8/256:25 amIAH - GEG
1 stop7h 10mMultiple Airlines
Deal found 7/29$220
This KAYAK deal was found by Cheapflights users on 7/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:40 pmSEA - IAH
Nonstop4h 26mHawaiian Airlines
Tue 9/308:00 amIAH - SEA
Nonstop4h 45mHawaiian Airlines
Deal found 7/29$223
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/113:48 pmSEA - IAH
1 stop6h 11mUnited Airlines
Tue 11/1812:50 pmIAH - SEA
1 stop7h 10mUnited Airlines
Deal found 7/30$232

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 July 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 8/27

7:04 am-1:16 pm

Nonstop4h 12m

Houston George Bush Intcntl

Wed 9/3

3:37 pm-10:37 pm

1 stop9h 00m

$183

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 8/26

7:52 pm-5:55 am

1 stop8h 03m

Houston George Bush Intcntl

Sat 8/30

9:14 am-6:57 pm

1 stop11h 43m

$184

PortlandHouston

PDX - IAH

PDXIAH

Portland

Mon 9/22

1:24 pm-12:06 am

1 stop8h 42m

Houston George Bush Intcntl

Mon 9/29

5:59 pm-8:25 pm

Nonstop4h 26m

$187

PortlandHouston

PDX - IAH

PDXIAH

Portland

Wed 8/20

12:46 am-9:50 am

1 stop7h 04m

Houston George Bush Intcntl

Mon 8/25

7:00 am-11:39 am

1 stop6h 39m

$197

PortlandHouston

PDX - HOU

PDXHOU

Portland

Wed 8/27

11:59 pm-8:21 am

1 stop6h 22m

Houston Hobby

Wed 9/3

6:00 am-10:52 am

1 stop6h 52m

$197

PortlandHouston

PDX - HOU

PDXHOU

Portland

Tue 8/19

9:05 pm-8:35 am

1 stop9h 30m

Houston Hobby

Sun 8/24

6:40 pm-12:05 am

1 stop7h 25m

$207

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 9/23

11:49 am-6:28 pm

Nonstop4h 39m

Houston George Bush Intcntl

Wed 9/24

7:28 pm-10:17 pm

Nonstop4h 49m

$217

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Tue 8/19

10:45 pm-5:00 am

Nonstop4h 15m

Houston Hobby

Tue 9/9

10:20 am-12:55 pm

Nonstop4h 35m

$217

SpokaneHouston

GEG - IAH

GEGIAH

Spokane

Thu 8/21

11:53 am-6:05 am

1 stop16h 12m

Houston George Bush Intcntl

Mon 8/25

6:25 am-11:35 am

1 stop7h 10m

$220

PortlandHouston

PDX - IAH

PDXIAH

Portland

Tue 8/19

7:52 pm-5:55 am

1 stop8h 03m

Houston George Bush Intcntl

Sun 8/24

6:00 am-11:23 am

1 stop7h 23m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 July 30, 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.

Weekly flight availability from State of Washington to Houston

Explore weekly flight availability from Washington to Houston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from USWA to HO1 are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated July 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Washington to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    $129 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Hawaiian Airlines and Southwest, with prices starting from $129 and $129, 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 $244, our data shows the cheapest flight currently is $79. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $217 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$259FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$243FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$392FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$185Average$369FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$232Average$512FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$254Average$435FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$255Average$505FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$266Average$434FlexibilityNo cancel feeOn-time63%

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