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$124+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
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 48 days in advance, depart on a Monday or Wednesday and return on a Wednesday

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 June 14, 2025.

Round-trip from

$202
(Cheapflightsfares)

One-way from

$124
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$387
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. 4% potential increase in price ($19 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 June 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 June 14, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:14 amIAH - SEA
1 stop12h 11mSpirit Airlines
Mon 7/285:30 pmSEA - IAH
1 stop10h 25mSpirit Airlines
Deal found 6/11$202
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Sun 9/216:00 amIAH - SEA
1 stop15h 39mFrontier
Mon 9/2912:58 pmSEA - IAH
1 stop6h 44mFrontier
Deal found 6/10$245
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 9/108:00 amIAH - SEA
Nonstop4h 40mAlaska Airlines
Wed 9/1011:49 amSEA - IAH
Nonstop4h 34mAlaska Airlines
Deal found 6/12$252
This Southwest deal was found by Cheapflights users on 6/13. 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.
Tue 8/2610:20 amHOU - SEA
Nonstop4h 35mSouthwest
Sun 9/710:55 pmSEA - HOU
Nonstop4h 15mSouthwest
Deal found 6/13$257
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:04 amHOU - SEA
1 stop9h 36mAmerican Airlines
Tue 9/307:49 amSEA - HOU
1 stop10h 12mAmerican Airlines
Deal found 6/11$261
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 11/410:45 amIAH - SEA
1 stop10h 13mAmerican Airlines
Tue 11/111:33 amSEA - IAH
1 stop10h 00mAmerican Airlines
Deal found 6/12$261
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/86:30 amIAH - SEA
1 stop10h 33mMultiple Airlines
Sat 7/127:48 pmSEA - IAH
1 stop12h 36mMultiple Airlines
Deal found 6/13$271
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:59 pmIAH - SEA
1 stop6h 30mHawaiian Airlines
Mon 9/227:56 amSEA - IAH
1 stop6h 58mHawaiian Airlines
Deal found 6/11$276
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:00 amIAH - SEA
1 stop7h 34mDelta
Fri 9/1212:40 amSEA - IAH
1 stop7h 24mDelta
Deal found 6/11$277
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/94:20 pmIAH - SEA
1 stop7h 56mUnited Airlines
Sat 8/165:00 amSEA - IAH
Nonstop4h 19mUnited Airlines
Deal found 6/12$295
This Sun Country Air deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:49 pmHOU - SEA
1 stop16h 33mSun Country Air
Thu 11/2710:36 amSEA - HOU
1 stop28h 49mSun Country Air
Deal found 6/12$315
This Mytrip deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/299:38 amHOU - SEA
2 stops31h 25mMultiple Airlines
Thu 7/33:58 pmSEA - HOU
2 stops24h 15mMultiple Airlines
Deal found 6/13$469

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 June 14, 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

Sat 7/19

6:14 am-4:25 pm

1 stop12h 11m

Seattle/Tacoma Intl

Mon 7/28

5:30 pm-5:55 am

1 stop10h 25m

$202

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 9/21

6:00 am-7:39 pm

1 stop15h 39m

Seattle/Tacoma Intl

Mon 9/29

12:58 pm-9:42 pm

1 stop6h 44m

$245

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 9/10

8:00 am-10:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 9/10

11:49 am-6:23 pm

Nonstop4h 34m

$252

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 8/26

10:20 am-12:55 pm

Nonstop4h 35m

Seattle/Tacoma Intl

Sun 9/7

10:55 pm-5:10 am

Nonstop4h 15m

$257

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 11/4

10:45 am-6:58 pm

1 stop10h 13m

Seattle/Tacoma Intl

Tue 11/11

1:33 am-1:33 pm

1 stop10h 00m

$261

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 8/26

6:00 am-10:51 am

1 stop6h 51m

Seattle/Tacoma Intl

Wed 9/3

7:49 am-8:01 pm

1 stop10h 12m

$269

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 9/11

5:59 pm-10:29 pm

1 stop6h 30m

Seattle/Tacoma Intl

Mon 9/22

7:56 am-4:54 pm

1 stop6h 58m

$276

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 8/28

7:00 am-12:34 pm

1 stop7h 34m

Seattle/Tacoma Intl

Fri 9/12

12:40 am-10:04 am

1 stop7h 24m

$277

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 7/8

6:30 am-3:03 pm

1 stop10h 33m

Seattle/Tacoma Intl

Sat 7/12

6:25 am-10:24 am

1 stop25h 59m

$286

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 8/9

4:20 pm-10:16 pm

1 stop7h 56m

Seattle/Tacoma Intl

Sat 8/16

5:00 am-11:19 am

Nonstop4h 19m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 26 results
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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 security wait times on the IAH Depart tab to plan your arrival efficiently.

Read more about IAHby Evie Carrick
SEA

Use the Link light rail for an affordable, under 40-minute trip to downtown Seattle from SEA.

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 June 9, 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 48 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 $391). 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 June 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Seattle at noon. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the morning.

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 Thursday 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 June 14, 2025.
Read through reviews of airlines operating flights from Houston to Seattle, such as Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,283 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,496 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,791 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 1 inbound flight from Houston per day from 8 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 $202, 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 Frontier and Alaska Airlines - these airlines can fly you to your destination from $245 and $252, respectively. Users have found that Spirit Airlines is 45% cheaper than the other options available to this destination.

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

    $124 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Hawaiian Airlines, with prices starting from $125 and $126, respectively.

  • What are the cheapest flights from Houston to Seattle?

    While on average a flight from Houston to Seattle is generally $363, our data shows the cheapest flight currently is $337. When looking at the most popular route, (Houston Hobby - Seattle/Tacoma Intl), you can expect to pay $203 for that flight.

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

    Houston to Seattle flights have a layover in Dallas most of the time.

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

    If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dallas World Aquarium, or Reunion Tower. American Airlines Center, Dallas World Aquarium, and Reunion Tower can be accessed by traveling approximately 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $61 to make sightseeing during their layover a little easier.

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

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

  • 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 $391). 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
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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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.
Dallas/Fort Worth to Seattle flights
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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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$235FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$190Average$387FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$219Average$386FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$254Average$448FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$430FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$311Average$434FlexibilityNo cancel feeOn-time63%

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