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$120+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
אוק' 25 — נוב' 11
ש' 10/25
ש' 11/1
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Houston are usually found in September or August, booked 52 days in advance, depart on a Monday or Saturday 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 ספטמבר 25, 2025.

Round-trip from

$237
(Booking.com)

One-way from

$120
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$324
From Seattle/Tacoma Intl to Houston
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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 ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 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 ספטמבר 25, 2025.

This Frontier deal was found by Cheapflights users on 9/25. 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.
ב' 10/272:31 pmSEA - IAH
2 stops17h 02mFrontier
ב' 11/38:06 pmIAH - SEA
2 stops18h 01mFrontier
Deal found 9/25$238
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
ש' 12/611:52 amSEA - IAH
Nonstop4h 28mAlaska Airlines
ג' 12/95:55 pmIAH - SEA
1 stop19h 54mAlaska Airlines
Deal found 9/25$239
This Frontier deal was found by Cheapflights users on 9/24. 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.
ה' 10/28:31 pmSEA - IAH
1 stop13h 36mFrontier
ד' 10/86:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 9/24$240
This Frontier deal was found by Cheapflights users on 9/24. 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.
ד' 10/17:00 amSEA - IAH
1 stop12h 14mFrontier
ג' 10/76:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 9/24$241
This Frontier deal was found by Cheapflights users on 9/24. 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.
ו' 10/1710:00 pmSEA - IAH
2 stops15h 47mFrontier
ג' 10/216:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 9/24$242
This American Airlines deal was found by Cheapflights users on 9/25. 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.
ה' 11/63:51 pmSEA - HOU
1 stop6h 06mAmerican Airlines
ש' 11/84:24 pmHOU - SEA
1 stop6h 36mAmerican Airlines
Deal found 9/25$243
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
ד' 10/225:47 pmSEA - IAH
Nonstop4h 23mAlaska Airlines
א' 11/27:00 amIAH - SEA
Nonstop4h 54mAlaska Airlines
Deal found 9/25$244
This Southwest deal was found by Cheapflights users on 9/25. 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.
ה' 10/165:15 amSEA - HOU
1 stop8h 15mSouthwest
ש' 10/184:50 pmHOU - SEA
1 stop7h 55mSouthwest
Deal found 9/25$244
This Frontier deal was found by Cheapflights users on 9/24. 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.
ו' 10/172:31 pmSEA - IAH
1 stop7h 05mFrontier
א' 10/2611:24 amIAH - SEA
1 stop10h 24mFrontier
Deal found 9/24$245
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
ד' 10/225:47 pmSEA - IAH
Nonstop4h 23mAlaska Airlines
ו' 10/245:45 pmIAH - SEA
1 stop16h 41mAlaska Airlines
Deal found 9/24$246
This Frontier deal was found by Cheapflights users on 9/25. 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.
א' 10/128:28 amSEA - IAH
1 stop7h 37mFrontier
ה' 10/166:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 9/25$247
This Frontier deal was found by Cheapflights users on 9/24. 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.
א' 10/194:11 pmSEA - IAH
2 stops16h 28mFrontier
ג' 10/216:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 9/24$248

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 ספטמבר 25, 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

ד' 10/29

5:30 pm-11:52 pm

Nonstop4h 22m

Houston George Bush Intcntl

ו' 11/7

7:26 pm-10:24 pm

Nonstop4h 58m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ד' 10/22

11:10 pm-5:26 am

Nonstop4h 16m

Houston George Bush Intcntl

ו' 10/24

8:28 pm-11:15 pm

Nonstop4h 47m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ד' 12/10

11:52 am-6:20 pm

Nonstop4h 28m

Houston George Bush Intcntl

א' 12/14

6:08 am-9:09 am

Nonstop5h 01m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ד' 11/12

11:59 am-6:26 pm

Nonstop4h 27m

Houston George Bush Intcntl

א' 11/16

7:00 am-9:54 am

Nonstop4h 54m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ש' 12/6

5:36 pm-11:59 pm

Nonstop4h 23m

Houston George Bush Intcntl

א' 12/14

6:08 am-9:09 am

Nonstop5h 01m

$244

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ג' 10/28

11:59 am-6:26 pm

Nonstop4h 27m

Houston George Bush Intcntl

ו' 11/7

5:51 pm-11:32 pm

1 stop7h 41m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ו' 10/31

8:00 am-4:50 pm

1 stop6h 50m

Houston George Bush Intcntl

ש' 11/8

7:26 pm-10:24 pm

Nonstop4h 58m

$254

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

א' 11/2

5:20 am-4:50 pm

1 stop9h 30m

Houston George Bush Intcntl

ש' 11/8

5:51 pm-11:32 pm

1 stop7h 41m

$258

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

ש' 10/25

5:21 am-4:40 pm

1 stop9h 19m

Houston George Bush Intcntl

א' 10/26

5:51 pm-8:39 am

1 stop16h 48m

$258

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

ש' 10/25

6:35 am-5:20 pm

1 stop8h 45m

Houston Hobby

ש' 11/1

9:05 am-4:40 pm

2 stops9h 35m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/25

Showing 1-10 of 42 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 September 19, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Houston, you should look to book at least 52 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 $330). 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 ספטמבר 25, 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 43% 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 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 Seattle 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 ספטמבר 25, 2025.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and United Airlines from Seattle to Houston. 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

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,751 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,162 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.0

Food

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

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 are 0 daily outbound flights to Houston from 8 different airlines.

  • How long is the flight from Seattle to Houston?

    A quick flight from Seattle to Houston can take about 4h 16m. Alaska Airlines provides one of the quickest options available for as low as $244. Airlines will cover a distance of 1871 mi. This flight may include one or multiple stops.

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

    Spirit Airlines, at $74, 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 80% lower than the current average price 3 months from now.

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

    $125 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Alaska Airlines and United Airlines, 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 $252, our data shows the cheapest flight currently is $128. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $185 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 Dos Equis Pavilion. American Airlines Center, Dallas World Aquarium and Dos Equis Pavilion are located about 15.0 mi, 15.5 mi, and 18.3 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 $47 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 $330). 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 ספטמבר 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$310FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$232FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$290FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$150Average$355FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$245Average$500FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$459FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$444FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$386FlexibilityNo cancel feeOn-time63%

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