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$113+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Find cheap flights from Houston to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Houston to Seattle/Tacoma Intl are usually found in October or September, booked 70 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 December 23, 2025.

This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 12/269:55 pmIAH - SEA
1 stop16h 41mFrontier
Thu 1/11:25 pmSEA - IAH
1 stop19h 12mFrontier
Deal found 12/22$393
This Expedia deal was found by Cheapflights users on 12/22. 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 12/3111:32 amIAH - SEA
1 stop26h 58mFrontier
Mon 1/52:54 pmSEA - IAH
1 stop7h 44mFrontier
Deal found 12/22$412
This Priceline deal was found by Cheapflights users on 12/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:45 amIAH - SEA
1 stop7h 51mFrontier
Wed 12/311:25 pmSEA - IAH
1 stop9h 13mFrontier
Deal found 12/22$413
This Mytrip deal was found by Cheapflights users on 12/21. 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.
Mon 12/223:48 pmIAH - SEA
1 stop27h 50mFrontier
Thu 1/11:25 pmSEA - IAH
1 stop19h 12mFrontier
Deal found 12/21$425
This Expedia deal was found by Cheapflights users on 12/22. 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 12/317:01 amIAH - SEA
Nonstop4h 58mMultiple Airlines
Mon 1/52:54 pmSEA - IAH
1 stop7h 44mMultiple Airlines
Deal found 12/22$450
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/226:45 amIAH - SEA
1 stop7h 45mFrontier
Sat 1/36:12 pmSEA - IAH
2 stops52h 26mFrontier
Deal found 12/21$457
This Orbitz deal was found by Cheapflights users on 12/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:32 amIAH - SEA
1 stop26h 58mFrontier
Sun 1/42:54 pmSEA - IAH
1 stop17h 43mFrontier
Deal found 12/22$467
This Expedia deal was found by Cheapflights users on 12/22. 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.
Fri 12/269:55 pmIAH - SEA
1 stop16h 41mFrontier
Sun 12/282:54 pmSEA - IAH
1 stop17h 43mFrontier
Deal found 12/22$472
This Expedia deal was found by Cheapflights users on 12/22. 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.
Mon 12/297:28 pmIAH - SEA
Nonstop4h 57mMultiple Airlines
Thu 1/11:25 pmSEA - IAH
1 stop19h 12mMultiple Airlines
Deal found 12/22$486
This Expedia deal was found by Cheapflights users on 12/22. 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.
Tue 12/307:01 amIAH - SEA
Nonstop4h 58mMultiple Airlines
Sun 1/42:54 pmSEA - IAH
1 stop17h 43mMultiple Airlines
Deal found 12/22$490
This Frontier deal was found by Cheapflights users on 12/22. 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.
Wed 12/246:45 amIAH - SEA
1 stop7h 45mFrontier
Sun 12/282:54 pmSEA - IAH
1 stop7h 44mFrontier
Deal found 12/22$492
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/319:05 amHOU - SEA
1 stop7h 49mAmerican Airlines
Sun 1/411:59 pmSEA - HOU
1 stop6h 33mAmerican Airlines
Deal found 12/21$507

Find 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 December 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$235
(Kiwi.com)

One-way from

$113
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$438
Provider with most accurate pricing for Houston-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston-Seattle/Tacoma Intl flights.
Search Deals
From Houston to Seattle/Tacoma Intl
Search Deals
One-way flight from Houston to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 23, 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

Tue 1/20

8:23 am-4:01 pm

1 stop9h 38m

Seattle/Tacoma Intl

Tue 1/27

7:00 am-1:25 pm

Nonstop4h 25m

$243

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 4/4

4:51 pm-7:48 pm

Nonstop4h 57m

Seattle/Tacoma Intl

Sun 4/12

11:01 pm-5:21 am

Nonstop4h 20m

$257

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 5/7

7:00 am-9:49 am

Nonstop4h 49m

Seattle/Tacoma Intl

Tue 5/12

11:14 pm-5:40 am

Nonstop4h 26m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/17

4:15 pm-9:10 pm

1 stop6h 55m

Seattle/Tacoma Intl

Sat 1/24

10:20 am-7:30 pm

2 stops7h 10m

$262

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 1/13

3:00 pm-9:50 pm

2 stops8h 50m

Seattle/Tacoma Intl

Wed 1/21

8:45 am-5:35 pm

1 stop6h 50m

$262

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 1/12

7:57 pm-10:59 pm

Nonstop5h 02m

Seattle/Tacoma Intl

Wed 1/21

7:00 am-1:25 pm

Nonstop4h 25m

$267

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 1/17

7:00 am-9:57 am

Nonstop4h 57m

Seattle/Tacoma Intl

Thu 1/22

11:52 am-6:17 pm

Nonstop4h 25m

$267

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 2/20

7:00 am-9:59 am

Nonstop4h 59m

Seattle/Tacoma Intl

Wed 2/25

5:39 pm-11:54 pm

Nonstop4h 15m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Sat 1/10

5:35 am-10:10 am

1 stop6h 35m

Seattle/Tacoma Intl

Sat 1/10

12:40 pm-8:40 pm

1 stop6h 00m

$277

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 1/22

7:17 pm-10:10 pm

Nonstop4h 53m

Seattle/Tacoma Intl

Thu 1/29

11:52 am-6:17 pm

Nonstop4h 25m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 37 results
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  • 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 90-95% 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.

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 December 19, 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 70 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, February is the cheapest month in which you can book a flight from Houston to Seattle (average of $138). Flying from Houston to Seattle in December is currently the most expensive (average of $225). 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 December 23, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight at noon.

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 mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Houston to Seattle?

How often are flights from Houston to Seattle delayed?

About 15% of weekly flights between Houston and Seattle have experienced delays in the past year, with the average delay time being 162 minutes.

What is the most punctual flight time for Houston to Seattle flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to Seattle flights?

Over the last year, Atlas Air have had the lowest number of delays on this route, with just 6% of flights being delayed.

The best insider tips for Houston to Seattle 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 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

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 December 23, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines, and United Airlines from Houston to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,517 reviews
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
United Airlines
7.4
Good
9,107 reviews
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Spirit Airlines
6.3
Okay
8,194 reviews
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.8
Fair
3,073 reviews
Alaska Airlines
8.0
Very good
11,517 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 8 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How long is the flight from Houston to Seattle?

    Departing from Houston to Seattle will take you 4h 57m. The distance from Houston to Seattle is about 1871 mi. This flight may include one or multiple stops.

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

    Currently priced at $88, 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 Delta - these airlines can fly you to your destination from $127 and $138, respectively. Users have found that Spirit Airlines is 75% cheaper than the other options available to this destination.

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

    $77 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Frontier and Spirit Airlines, with prices starting from $85 and $87, respectively.

  • 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, February is the cheapest month in which you can book a flight from Houston to Seattle (average of $138). Flying from Houston to Seattle in December is currently the most expensive (average of $225). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Tukwila
Cle Elum
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis

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.
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$104Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$252FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$430FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$186Average$384FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$207Average$420FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$230Average$394FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$234Average$430FlexibilityNo cancel feeOn-time69%

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