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$121+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 82 days in advance, depart on a Monday or Saturday and return on a Monday

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 October 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:58 pmSEA - IAH
1 stop8h 31mMultiple Airlines
Mon 11/108:47 pmIAH - SEA
2 stops17h 20mMultiple Airlines
Deal found 10/8$236
This KAYAK deal was found by Cheapflights users on 10/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:30 pmSEA - IAH
Nonstop4h 22mAlaska Airlines
Sat 11/87:26 pmIAH - SEA
Nonstop4h 58mAlaska Airlines
Deal found 10/7$237
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:43 pmSEA - IAH
1 stop11h 46mFrontier
Fri 10/2411:42 amIAH - SEA
1 stop10h 06mFrontier
Deal found 10/6$238
This Kiwi.com deal was found by Cheapflights users on 10/9. 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 11/112:58 pmSEA - IAH
1 stop8h 31mFrontier
Sun 11/25:00 amIAH - SEA
1 stop8h 13mFrontier
Deal found 10/9$239
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/28:42 pmSEA - IAH
1 stop21h 44mFrontier
Sun 11/96:00 amIAH - SEA
2 stops33h 37mFrontier
Deal found 10/7$240
This Kiwi.com deal was found by Cheapflights users on 10/9. 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.
Sun 10/198:43 pmSEA - IAH
2 stops23h 31mFrontier
Wed 10/226:00 amIAH - SEA
1 stop8h 07mFrontier
Deal found 10/9$241
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:08 amSEA - IAH
1 stop8h 44mMultiple Airlines
Sun 11/92:05 pmIAH - SEA
1 stop31h 32mMultiple Airlines
Deal found 10/8$244
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:43 pmSEA - IAH
1 stop11h 46mFrontier
Thu 10/306:00 amIAH - SEA
2 stops33h 37mFrontier
Deal found 10/8$245
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:00 pmSEA - IAH
1 stop17h 48mFrontier
Fri 10/3110:41 pmIAH - SEA
1 stop12h 37mFrontier
Deal found 10/6$247
This Kiwi.com deal was found by Cheapflights users on 10/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:00 pmSEA - IAH
1 stop17h 48mFrontier
Thu 10/3010:11 pmIAH - SEA
1 stop13h 07mFrontier
Deal found 10/6$248
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:18 pmSEA - IAH
2 stops18h 42mFrontier
Sun 11/25:00 amIAH - SEA
1 stop8h 13mFrontier
Deal found 10/8$249
This Kiwi.com deal was found by Cheapflights users on 10/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:08 pmSEA - IAH
1 stop8h 31mFrontier
Sat 11/88:48 pmIAH - SEA
2 stops18h 49mFrontier
Deal found 10/7$250

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 October 10, 2025.

Round-trip from

$236
(Kiwi.com)

One-way from

$121
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$321
From Seattle/Tacoma Intl to Houston
Search Deals
One-way flight from Seattle/Tacoma Intl to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 10, 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

Sat 11/8

5:30 pm-11:52 pm

Nonstop4h 22m

Houston George Bush Intcntl

Sat 11/15

7:26 pm-10:24 pm

Nonstop4h 58m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 11/13

1:43 pm-8:10 pm

Nonstop4h 27m

Houston George Bush Intcntl

Wed 11/19

9:45 am-12:47 pm

Nonstop5h 02m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 12/10

5:36 pm-11:59 pm

Nonstop4h 23m

Houston George Bush Intcntl

Sat 12/13

7:20 pm-10:15 pm

Nonstop4h 55m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 11/6

5:30 pm-11:52 pm

Nonstop4h 22m

Houston George Bush Intcntl

Sat 11/8

7:26 pm-10:24 pm

Nonstop4h 58m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 11/8

1:43 pm-8:10 pm

Nonstop4h 27m

Houston George Bush Intcntl

Mon 11/10

6:01 am-11:39 am

1 stop7h 38m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 1/6

11:26 pm-5:41 am

Nonstop4h 15m

Houston George Bush Intcntl

Wed 1/21

7:17 pm-10:13 pm

Nonstop4h 56m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 1/6

5:20 am-4:57 pm

1 stop9h 37m

Houston George Bush Intcntl

Thu 1/22

7:00 am-9:57 am

Nonstop4h 57m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 11/19

8:00 am-4:50 pm

1 stop6h 50m

Houston George Bush Intcntl

Sat 12/6

6:08 am-9:09 am

Nonstop5h 01m

$267

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 12/4

5:15 am-2:25 pm

1 stop7h 10m

Houston Hobby

Sat 12/6

2:25 pm-8:00 pm

1 stop7h 35m

$277

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 11/19

11:00 pm-9:45 am

1 stop8h 45m

Houston Hobby

Sat 12/6

2:32 pm-11:59 pm

1 stop11h 27m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 41 results
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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 October 3, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Houston, you should look to book at least 82 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, November is the cheapest month in which you can book a flight from Seattle to Houston (average of $146). Flying from Seattle to Houston in March is currently the most expensive (average of $196). 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 October 10, 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 afternoon, which can drop the price by up to 40% 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.

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

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 October 10, 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
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,049 reviews
Alaska Airlines
8.0
Very good
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
2,775 reviews
Alaska Airlines
8.0
Very good
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
8,966 reviews
Alaska Airlines
8.0
Very good
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
11,043 reviews
Alaska Airlines
8.0
Very good
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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
3,143 reviews
Alaska Airlines
8.0
Very good
11,049 reviews

Crew

8.5

Food

7.1

Overall

8.0

Entertainment

7.0

Boarding

8.1

Comfort

7.8

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 22m. Alaska Airlines provides one of the quickest options available for as low as $257. 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?

    $129 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $129 and $139, respectively.

  • What are the cheapest flights from Seattle to Houston?

    While on average a flight from Seattle to Houston is generally $272, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Seattle/Tacoma Intl - Houston Hobby), you can expect to pay $150 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 $51 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, November is the cheapest month in which you can book a flight from Seattle to Houston (average of $146). Flying from Seattle to Houston in March is currently the most expensive (average of $196). 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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$320FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$231FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$288FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$150Average$355FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$243Average$501FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$442FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$439FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$257Average$386FlexibilityNo cancel feeOn-time63%

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