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$128+ Cheap flights from Seattle (SEA) 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Jun 13 — Jun 201
Fri 6/13
Fri 6/20
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Houston are usually found in September or October, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Monday

Cheap flight deals from Seattle to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Houston (HO1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 8, 2025.

Round-trip from

$211
(Alaska Airlines)

One-way from

$128
(Agoda.com)

Popular in

December

Cheapest in

September

Average price

$396
From Seattle/Tacoma Intl to Houston
Search Deals
One-way flight from Seattle/Tacoma Intl to Houston
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Highest demand for flights based on searches. 6% potential increase in price ($26 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 June 2025
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Find flight deals from Seattle to Houston

Cheapest flights from Seattle to Houston
Explore the most affordable flight options available from Seattle to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 8, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/7. 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.
Fri 8/85:25 amSEA - IAH
1 stop9h 25mAlaska Airlines
Tue 8/129:00 amIAH - SEA
Nonstop4h 41mAlaska Airlines
Deal found 6/7$211
This Frontier deal was found by Cheapflights users on 6/7. 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 8/167:48 pmSEA - IAH
1 stop12h 36mFrontier
Sun 8/1710:04 pmIAH - SEA
2 stops18h 02mFrontier
Deal found 6/7$212
This American Airlines deal was found by Cheapflights users on 6/6. 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 9/245:26 amSEA - HOU
1 stop8h 28mAmerican Airlines
Sun 9/286:00 amHOU - SEA
1 stop6h 52mAmerican Airlines
Deal found 6/6$221
This Southwest deal was found by Cheapflights users on 6/6. 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.
Thu 9/1810:45 pmSEA - HOU
Nonstop4h 15mSouthwest
Mon 9/224:10 pmHOU - SEA
1 stop7h 35mSouthwest
Deal found 6/6$223
This FlightHub deal was found by Cheapflights users on 6/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2612:58 pmSEA - IAH
1 stop6h 44mMultiple Airlines
Mon 9/298:00 amIAH - SEA
1 stop9h 53mMultiple Airlines
Deal found 6/6$224
This Mytrip deal was found by Cheapflights users on 6/7. 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.
Wed 7/95:30 pmSEA - IAH
2 stops18h 16mSpirit Airlines
Mon 7/146:14 amIAH - SEA
1 stop12h 11mSpirit Airlines
Deal found 6/7$235
This Hawaiian Airlines deal was found by Cheapflights users on 6/6. 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 8/48:55 amSEA - IAH
1 stop5h 55mHawaiian Airlines
Mon 8/117:10 pmIAH - SEA
Nonstop4h 43mHawaiian Airlines
Deal found 6/6$259
This Delta deal was found by Cheapflights users on 6/8. 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 9/1712:40 amSEA - IAH
1 stop7h 24mDelta
Mon 9/224:00 pmIAH - SEA
1 stop8h 23mDelta
Deal found 6/8$277
This United Airlines deal was found by Cheapflights users on 6/6. 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 10/77:00 amSEA - IAH
Nonstop4h 28mUnited Airlines
Sun 10/125:14 amIAH - SEA
1 stop6h 45mUnited Airlines
Deal found 6/6$301
This American Airlines deal was found by Cheapflights users on 6/6. 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 7/3112:59 amSEA - IAH
1 stop6h 18mAmerican Airlines
Mon 8/185:00 amIAH - SEA
1 stop6h 21mAmerican Airlines
Deal found 6/6$324
This Sun Country Air deal was found by Cheapflights users on 6/6. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2511:59 pmSEA - HOU
1 stop15h 37mSun Country Air
Sun 8/246:37 pmHOU - SEA
1 stop22h 09mSun Country Air
Deal found 6/6$340
This Delta deal was found by Cheapflights users on 6/6. 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.
Fri 6/206:00 amSEA - HOU
1 stop9h 55mDelta
Tue 8/266:00 amHOU - SEA
1 stop9h 50mDelta
Deal found 6/6$384

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 8, 2025.
Use the filters below to find and compare flights from Seattle to Houston that are best for you.

Fly from

Seattle

Fly to

Houston

Route

Depart

Return

Price

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 8/8

5:25 am-4:50 pm

1 stop9h 25m

Houston George Bush Intcntl

Tue 8/12

9:00 am-11:41 am

Nonstop4h 41m

$211

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 8/16

7:48 pm-10:24 am

1 stop12h 36m

Houston George Bush Intcntl

Sun 8/17

10:04 pm-2:06 pm

2 stops18h 02m

$212

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 8/28

12:15 pm-11:33 pm

1 stop9h 18m

Houston George Bush Intcntl

Sat 8/30

7:00 am-2:38 pm

1 stop9h 38m

$221

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 9/24

5:26 am-3:54 pm

1 stop8h 28m

Houston Hobby

Sun 9/28

6:00 am-10:52 am

1 stop6h 52m

$221

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 9/18

10:45 pm-5:00 am

Nonstop4h 15m

Houston Hobby

Mon 9/22

4:10 pm-9:45 pm

1 stop7h 35m

$223

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 9/26

12:58 pm-9:42 pm

1 stop6h 44m

Houston George Bush Intcntl

Mon 9/29

8:00 am-3:53 pm

1 stop9h 53m

$224

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-1:46 pm

2 stops18h 16m

Houston George Bush Intcntl

Mon 7/14

6:14 am-4:25 pm

1 stop12h 11m

$235

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 8/21

11:49 am-6:23 pm

Nonstop4h 34m

Houston George Bush Intcntl

Mon 9/1

7:23 pm-10:05 pm

Nonstop4h 42m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 10/7

7:00 am-1:28 pm

Nonstop4h 28m

Houston George Bush Intcntl

Sun 10/12

5:14 am-9:59 am

1 stop6h 45m

$301

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 7/31

12:59 am-9:17 am

1 stop6h 18m

Houston George Bush Intcntl

Mon 8/18

5:00 am-9:21 am

1 stop6h 21m

$324

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/7

Showing 1-10 of 26 results
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The best insider tips for Seattle to Houston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Houston trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, ideal for added comfort.


Alaska's Wi-Fi is a flat fee, great for business travelers needing to work onboard.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

United's Economy Plus offers extra legroom, ideal for comfort without a premium price.


United's Polaris Lounges offer showers and dining, perfect for premium travelers.

Read more about United Airlinesby Harriet Baskas
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times for non-expedited passengers. Reserve spots up to five days before your flight.

Read more about SEAby Brandon Schultz
IAH

For a quick ride from IAH to downtown Houston, use Uber or Lyft from Terminals A, B, or C. Expect a 25-minute journey by car.

Read more about IAHby Evie Carrick
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Seattle to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Seattle 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 Seattle to Houston

How far ahead should I book a flight from Seattle to Houston?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Houston. Price data was last updated on May 23, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Houston, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Houston?

Currently, September is the cheapest month in which you can book a flight from Seattle to Houston (average of $230). Flying from Seattle to Houston in March is currently the most expensive (average of $332). 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 SEA to HOU?

Find hourly flight availability from Seattle 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 8, 2025.

When flying from Seattle to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 26% versus a flight in the morning.

What is the cheapest day to fly from Seattle to Houston?

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

Travelers seeking maximum savings on their Seattle to Houston flight should consider departing on Wednesday 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.

Weekly flight availability from Seattle to Houston

Explore weekly flight availability from Seattle 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 June 8, 2025.

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

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 June 8, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Seattle to Houston by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,489 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,782 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Houston?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Houston from Seattle. Booking flights from Seattle/Tacoma Intl (SEA) to Houston should be relatively easy as there is 1 daily outbound flight to Houston from 8 different airlines.

  • What are the cheapest airlines flying from Seattle to Houston round-trip?

    Alaska Airlines, at $211, was found to be the cheapest airline from Seattle to Houston.Alternate airlines to your destination round-trip include Frontier and Delta. These flights start at 45% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Houston one-way?

    $128 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Spirit Airlines and Southwest, with prices starting from $129 and $129, respectively.

  • What are the cheapest flights from Seattle to Houston?

    While on average a flight from Seattle to Houston is generally $280, our data shows the cheapest flight currently is $94. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $154 for that flight.

  • Where are the most common layover locations when flying from Seattle to Houston?

    Seattle to Houston flights have a layover in Dallas most often.

  • What are some popular things to do or see while on a layover in Dallas?

    If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dallas World Aquarium, or Reunion Tower. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $60 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Seattle to Houston flights?

    Seattle to Houston flights have a layover in Denver the least frequently.

  • Can I find deals for flights from Seattle to Houston that include hotel bookings?

    Yes. In addition to deals on Seattle to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Houston.

  • Can I find deals for business class flights from Seattle to Houston?

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Houston?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Houston (average of $230). Flying from Seattle to Houston in March is currently the most expensive (average of $332). 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 Seattle 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 Seattle to Houston

Discover the top 8 airlines that operate flights from Seattle 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 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$243FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$233FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$377FlexibilityNo cancel feeOn-time85%
DeltaCheapest$160Average$299FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$235Average$540FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$447FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$255Average$476FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$266Average$396FlexibilityNo cancel feeOn-time63%

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