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$134+ Cheap flights from Houston to Seattle (SEA)

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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Apr 1 — Apr 81
Tue 4/1
Tue 4/8
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Seattle/Tacoma Intl are usually found in September or October, booked 58 days in advance, depart on a Tuesday or Monday and return on a Tuesday

Cheap flight deals from Houston to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Seattle (SEA). 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 March 27, 2025.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$188
(Cheapflightsfares)

One-way from

$134
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$418
Provider with most accurate pricing for Houston-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Houston-Seattle/Tacoma Intl flights.
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From Houston to Seattle/Tacoma Intl
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One-way flight from Houston to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
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 March 2025
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Find flight deals from Houston to Seattle

Cheapest flights from Houston to Seattle
Explore the most affordable flight options available from Houston to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2810:28 pmIAH - SEA
1 stop15h 07mSpirit Airlines
Mon 5/52:30 pmSEA - IAH
1 stop7h 22mSpirit Airlines
Deal found 3/26$188
This Expedia deal was found by Cheapflights users on 3/27. 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.
Wed 5/212:45 pmIAH - SEA
1 stop11h 25mMultiple Airlines
Mon 5/2611:59 pmSEA - IAH
Nonstop4h 21mMultiple Airlines
Deal found 3/27$221
This United Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:50 pmIAH - SEA
Nonstop5h 00mUnited Airlines
Wed 5/711:59 pmSEA - IAH
Nonstop4h 18mUnited Airlines
Deal found 3/26$257
This Southwest deal was found by Cheapflights users on 3/26. 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.
Fri 6/67:50 pmHOU - SEA
1 stop6h 35mSouthwest
Tue 6/1010:40 pmSEA - HOU
Nonstop4h 20mSouthwest
Deal found 3/26$267
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/285:00 amHOU - SEA
1 stop9h 58mAmerican Airlines
Fri 6/61:19 amSEA - HOU
1 stop6h 24mAmerican Airlines
Deal found 3/26$271
This American Airlines deal was found by Cheapflights users on 3/26. 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 5/287:48 amIAH - SEA
1 stop9h 54mAmerican Airlines
Sat 5/317:30 amSEA - IAH
1 stop9h 17mAmerican Airlines
Deal found 3/26$271
This Delta deal was found by Cheapflights users on 3/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/184:00 pmHOU - SEA
1 stop9h 59mDelta
Fri 4/2510:30 pmSEA - HOU
1 stop8h 48mDelta
Deal found 3/25$277
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 5/296:20 amIAH - SEA
1 stop10h 10mDelta
Sat 6/76:00 amSEA - IAH
1 stop9h 41mDelta
Deal found 3/27$277
This Frontier deal was found by Cheapflights users on 3/26. 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.
Fri 4/410:21 pmIAH - SEA
1 stop13h 14mFrontier
Tue 4/87:51 pmSEA - IAH
1 stop12h 27mFrontier
Deal found 3/26$278
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 4/186:48 pmIAH - SEA
Nonstop4h 59mAlaska Airlines
Tue 4/225:40 pmSEA - IAH
Nonstop4h 19mAlaska Airlines
Deal found 3/26$287
This CheapOair deal was found by Cheapflights users on 3/26. 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.
Wed 4/210:36 amHOU - SEA
1 stop27h 20mFrontier
Thu 4/101:56 pmSEA - HOU
1 stop17h 36mFrontier
Deal found 3/26$291
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/216:00 amIAH - SEA
Nonstop4h 44mHawaiian Airlines
Sun 5/2511:59 pmSEA - IAH
Nonstop4h 21mHawaiian Airlines
Deal found 3/26$367

Cheapflights Fare Finder

Customize your flight search to find flights from Houston to Seattle 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 March 27, 2025.
Use the filters below to find and compare flights from Houston to Seattle that are best for you.

Fly from

Houston

Fly to

Seattle

Route

Depart

Return

Price

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 4/28

10:28 pm-11:35 am

1 stop15h 07m

Seattle/Tacoma Intl

Mon 5/5

2:30 pm-11:52 pm

1 stop7h 22m

$188

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 5/21

6:31 am-2:25 pm

1 stop9h 54m

Seattle/Tacoma Intl

Mon 5/26

11:59 pm-6:20 am

Nonstop4h 21m

$221

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 4/23

7:50 pm-10:50 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Wed 5/7

11:59 pm-6:17 am

Nonstop4h 18m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 6/6

7:50 pm-12:25 am

1 stop6h 35m

Seattle/Tacoma Intl

Tue 6/10

10:40 pm-5:00 am

Nonstop4h 20m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Wed 5/28

5:00 am-12:58 pm

1 stop9h 58m

Seattle/Tacoma Intl

Fri 6/6

1:19 am-9:43 am

1 stop6h 24m

$271

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 5/28

7:48 am-3:42 pm

1 stop9h 54m

Seattle/Tacoma Intl

Sat 5/31

7:30 am-6:47 pm

1 stop9h 17m

$271

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Fri 4/18

4:00 pm-11:59 pm

1 stop9h 59m

Seattle/Tacoma Intl

Fri 4/25

10:30 pm-9:18 am

1 stop8h 48m

$277

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 5/29

7:00 pm-11:59 pm

1 stop6h 59m

Seattle/Tacoma Intl

Tue 6/3

7:10 am-5:56 pm

1 stop8h 46m

$277

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 4/7

10:26 pm-9:35 am

1 stop13h 09m

Seattle/Tacoma Intl

Sat 4/12

7:51 pm-10:18 am

1 stop12h 27m

$278

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 4/18

6:48 pm-9:47 pm

Nonstop4h 59m

Seattle/Tacoma Intl

Tue 4/22

5:40 pm-11:59 pm

Nonstop4h 19m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 28 results
1
2
3
  • Most accurate provider: When it comes to deals on Houston-Seattle flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Houston-Seattle flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Houston-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston-Seattle flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Houston to Seattle 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 Houston to Seattle trip
Airlines
Alaska Airlines

Alaska offers 32” legroom in Main Cabin, ideal for medium-haul comfort.


Alaska's Wi-Fi is a flat fee, perfect for working on longer flights.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

United's Economy Plus offers extra legroom, enhancing comfort for medium-haul flights.


United's Polaris Lounges offer showers and dining, ideal for premium passengers.

Read more about United Airlinesby Harriet Baskas
Airports
IAH

Check the IAH website for current security wait times to ensure a smooth departure from Houston.

Read more about IAHby Evie Carrick
SEA

Use the Link light rail from SEA to downtown Seattle for an affordable and convenient 40-minute journey.

Read more about SEAby Brandon Schultz
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 Houston to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Houston to Seattle. Price data was last updated on March 21, 2025.

The price you pay for your flight from Houston to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Houston to Seattle (average of $238). Flying from Houston to Seattle in July is currently the most expensive (average of $411). 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 HOU to SEA?

Find hourly flight availability from Houston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 27, 2025.

When flying from Houston to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Travelers seeking maximum savings on their Houston to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Seattle by month

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

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

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

If weather is an important factor for your trip to Seattle, 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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated March 27, 2025.
Read through reviews of airlines operating flights from Houston to Seattle, such as Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,795 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,894 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,335 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,602 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Crew

8.6

Food

7.1

Comfort

8.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Houston to Seattle. 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 into for flights to Seattle from Houston?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Houston. On average, Seattle/Tacoma Intl has 0 inbound flights from Houston per day from 9 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

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

    Currently priced at $188, Spirit Airlines will fly you from Houston to Seattle and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Southwest - these airlines can fly you to your destination from $257 and $267, respectively. Users have found that Spirit Airlines is 50% cheaper than the other options available to this destination.

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

    $134 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 American Airlines and Delta, with prices starting from $138 and $139, respectively.

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

    Houston to Seattle flights have a layover in Denver most of the time. Denver is followed by Dallas in terms of the most popular layover location on flights from Houston to Seattle.

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

    If you're on a layover in Denver and looking for things to do, consider visiting Coors Field, Paramount Theatre, or 16th Street Mall. Coors Field, Paramount Theatre, and 16th Street Mall can be accessed by traveling approximately 18.4 mi, 18.6 mi, and 18.7 mi, respectively from Denver Intl. Travelers can rent a car at Denver Intl for an average daily rate of $56 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Dallas?

    Most Dallas visitors opt to spend their time at American Airlines Center, Dos Equis Pavilion, and Dallas World Aquarium. Those on a layover in Dallas interested in visiting American Airlines Center, Dos Equis Pavilion, or Dallas World Aquarium can do so by traveling 15.0 mi, 18.3 mi, and 15.5 mi, respectively from Dallas/Fort Worth. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $58.

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

    Houston to Seattle flights that have layovers will least frequently stop in Las Vegas.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Houston to Seattle (average of $238). Flying from Houston to Seattle in July is currently the most expensive (average of $411). 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

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Lacey
Ocean Shores
Leavenworth
Federal Way
Olympia
Cle Elum
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Mukilteo
Aberdeen
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Lynnwood
Shelton
Silverdale
Redmond
Monroe

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Alternative routes for Houston to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Houston to Seattle

Discover the top 8 airlines that operate flights from Houston to Seattle. 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 March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$206FlexibilityNo cancel feeOn-time65%
FrontierCheapest$126Average$237FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$150Average$391FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$224Average$402FlexibilityNo cancel feeOn-time75%
DeltaCheapest$236Average$374FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$255Average$460FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$264Average$439FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$487FlexibilityNo cancel feeOn-time63%
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