Houston

$118+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
ene. 11 — ene. 181
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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

Cheap 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 diciembre 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
lun. 12/155:21 pmSEA - IAH
2 stops29h 10mFrontier
mié. 1/78:15 amIAH - SEA
1 stop29h 06mFrontier
Deal found 12/8$220
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mié. 12/311:25 pmSEA - IAH
1 stop9h 13mFrontier
mié. 1/710:15 amIAH - SEA
1 stop27h 06mFrontier
Deal found 12/8$223
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
lun. 12/155:21 pmSEA - IAH
2 stops29h 10mFrontier
vie. 1/98:27 pmIAH - SEA
1 stop16h 58mFrontier
Deal found 12/8$231
This CheapOair deal was found by Cheapflights users on 12/11. 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.
mar. 12/302:54 pmSEA - IAH
1 stop7h 44mFrontier
mié. 1/710:15 amIAH - SEA
1 stop27h 06mFrontier
Deal found 12/11$254
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
mié. 12/311:25 pmSEA - IAH
1 stop9h 13mMultiple Airlines
mié. 1/73:09 pmIAH - SEA
2 stops19h 55mMultiple Airlines
Deal found 12/8$255
This Kiwi.com deal was found by Cheapflights users on 12/8. 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.
lun. 12/155:21 pmSEA - IAH
2 stops29h 10mMultiple Airlines
mar. 1/69:55 amIAH - SEA
1 stop9h 56mMultiple Airlines
Deal found 12/8$270
This Expedia deal was found by Cheapflights users on 12/10. 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.
mié. 12/3111:26 pmSEA - IAH
Nonstop4h 15mMultiple Airlines
lun. 1/52:22 pmIAH - SEA
1 stop29h 29mMultiple Airlines
Deal found 12/10$275
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
mié. 12/311:25 pmSEA - IAH
1 stop9h 13mFrontier
lun. 1/59:34 pmIAH - SEA
2 stops22h 17mFrontier
Deal found 12/10$281
This Expedia deal was found by Cheapflights users on 12/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/302:54 pmSEA - IAH
1 stop7h 44mMultiple Airlines
mié. 1/147:00 amIAH - SEA
Nonstop4h 57mMultiple Airlines
Deal found 12/9$286
This Southwest deal was found by Cheapflights users on 12/10. 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.
mié. 12/315:15 amSEA - HOU
1 stop7h 10mSouthwest
mié. 12/315:55 pmHOU - SEA
1 stop7h 00mSouthwest
Deal found 12/10$387
This Southwest deal was found by Cheapflights users on 12/11. 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.
mar. 12/305:00 amSEA - HOU
1 stop8h 15mSouthwest
mié. 1/76:00 pmHOU - SEA
1 stop6h 30mSouthwest
Deal found 12/11$427
This Southwest deal was found by Cheapflights users on 12/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/305:00 amSEA - HOU
1 stop8h 15mSouthwest
sáb. 1/310:45 pmHOU - SEA
1 stop12h 35mSouthwest
Deal found 12/9$514

Find 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 diciembre 12, 2025.

Round-trip from

$214
(Jettzy)

One-way from

$118
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$437
From Seattle/Tacoma Intl to Houston
One-way flight from Seattle/Tacoma Intl to Houston
Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 diciembre 12, 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

sáb. 1/24

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

sáb. 1/31

7:00 am-9:57 am

Nonstop4h 57m

$237

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

sáb. 2/28

2:20 pm-8:48 pm

Nonstop4h 28m

Houston George Bush Intcntl

mar. 3/10

3:16 pm-8:58 pm

1 stop7h 42m

$247

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

sáb. 1/17

8:35 am-6:06 pm

1 stop7h 31m

Houston Hobby

sáb. 1/31

12:49 pm-5:45 pm

1 stop6h 56m

$257

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

vie. 1/9

11:52 am-6:17 pm

Nonstop4h 25m

Houston George Bush Intcntl

mar. 2/24

7:00 am-9:59 am

Nonstop4h 59m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

vie. 1/9

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

mar. 1/13

7:00 am-9:57 am

Nonstop4h 57m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

vie. 1/23

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

sáb. 1/31

7:00 am-9:57 am

Nonstop4h 57m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

sáb. 1/31

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

lun. 2/9

7:17 pm-10:10 pm

Nonstop4h 53m

$267

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

jue. 1/8

8:25 am-4:55 pm

1 stop6h 30m

Houston George Bush Intcntl

sáb. 1/10

7:00 am-9:57 am

Nonstop4h 57m

$277

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

dom. 1/11

5:39 pm-11:54 pm

Nonstop4h 15m

Houston George Bush Intcntl

mié. 1/28

5:55 pm-10:33 pm

1 stop6h 38m

$277

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

mié. 1/7

8:25 am-4:55 pm

1 stop6h 30m

Houston George Bush Intcntl

vie. 2/20

7:00 am-9:59 am

Nonstop4h 59m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 38 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 December 5, 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 $147). Flying from Seattle to Houston in June 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 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 diciembre 12, 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

AI-powered summary based on content written by travel experts. AI can make mistakes.
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.

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.

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.

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.

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 diciembre 12, 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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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.

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Overall

8.0

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 15m. Alaska Airlines provides one of the quickest options available for as low as $237. 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 $50, was found to be the cheapest airline from Seattle to Houston.Alternate airlines to your destination round-trip include Delta and Hawaiian Airlines. These flights start at 86% lower than the current average price 3 months from now.

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

    $38 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Frontier and Delta, with prices starting from $78 and $118, respectively.

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

  • 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 $50 to make sightseeing during their layover a little easier.

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

  • 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 $147). Flying from Seattle to Houston in June 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 diciembre 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$57Average$309FlexibilityNo cancel feeOn-time65%
DeltaCheapest$125Average$276FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$132Average$232FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$355FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$243Average$400FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$251Average$428FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$254Average$447FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$372FlexibilityNo cancel feeOn-time63%

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