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$119+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SEA
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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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 Friday 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 February 8, 2026.

This Trip.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/247:00 am
IAH
-
SEA
Nonstop4h 57m
Multiple Airlines
Tue 3/316:24 pm
SEA
-
IAH
1 stop20h 55m
Multiple Airlines
Deal found 2/7$228
This Expedia deal was found by Cheapflights users on 2/5. 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 4/17:00 am
IAH
-
SEA
Nonstop4h 57m
Multiple Airlines
Sat 4/256:57 pm
SEA
-
IAH
1 stop11h 52m
Multiple Airlines
Deal found 2/5$229
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:47 pm
IAH
-
SEA
2 stops21h 22m
Multiple Airlines
Sun 3/229:35 pm
SEA
-
IAH
1 stop30h 17m
Multiple Airlines
Deal found 2/6$230
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:14 pm
IAH
-
SEA
1 stop24h 30m
Multiple Airlines
Wed 4/2211:14 pm
SEA
-
IAH
Nonstop4h 26m
Multiple Airlines
Deal found 2/5$231
This Super.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:39 am
IAH
-
SEA
1 stop7h 22m
Frontier
Thu 2/261:16 pm
SEA
-
IAH
1 stop9h 17m
Frontier
Deal found 2/7$232
This Expedia deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/249:44 am
IAH
-
SEA
1 stop7h 21m
Multiple Airlines
Mon 4/279:13 am
SEA
-
IAH
Nonstop4h 33m
Multiple Airlines
Deal found 2/7$234
This Expedia deal was found by Cheapflights users on 2/5. 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 2/1310:36 pm
IAH
-
SEA
1 stop13h 41m
Frontier
Sat 2/211:16 pm
SEA
-
IAH
1 stop9h 17m
Frontier
Deal found 2/5$235
This CheapOair deal was found by Cheapflights users on 2/5. 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 2/258:45 am
IAH
-
SEA
1 stop29h 16m
Frontier
Sun 3/110:03 am
SEA
-
IAH
1 stop7h 20m
Frontier
Deal found 2/5$236
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:57 pm
IAH
-
SEA
Nonstop5h 02m
United Airlines
Tue 3/1711:59 pm
SEA
-
IAH
Nonstop4h 18m
United Airlines
Deal found 2/6$237
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:45 am
IAH
-
SEA
1 stop29h 16m
Frontier
Sat 2/281:51 pm
SEA
-
IAH
2 stops32h 42m
Frontier
Deal found 2/7$238
This Expedia deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2710:36 pm
IAH
-
SEA
1 stop13h 41m
Multiple Airlines
Mon 3/210:10 am
SEA
-
IAH
Nonstop4h 23m
Multiple Airlines
Deal found 2/7$239
This Travelocity deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:37 pm
IAH
-
SEA
1 stop22h 50m
Multiple Airlines
Wed 4/2211:14 pm
SEA
-
IAH
Nonstop4h 26m
Multiple Airlines
Deal found 2/6$240

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 February 8, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$228
(Trip.com)

One-way from

$119
(CheapOair)

Popular in

December

Cheapest in

October

Average price

$302
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 ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 8, 2026.
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

Wed 4/1

7:53 pm-10:50 pm

Nonstop4h 57m

Seattle/Tacoma Intl

Wed 4/8

1:58 pm-8:27 pm

Nonstop4h 29m

$237

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 3/14

7:57 pm-10:59 pm

Nonstop5h 02m

Seattle/Tacoma Intl

Tue 3/17

11:59 pm-6:17 am

Nonstop4h 18m

$237

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 5/5

4:45 pm-7:44 pm

Nonstop4h 59m

Seattle/Tacoma Intl

Wed 5/13

1:57 pm-8:27 pm

Nonstop4h 30m

$237

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 3/10

5:00 am-11:49 am

1 stop8h 49m

Seattle/Tacoma Intl

Wed 3/11

11:59 pm-6:17 am

Nonstop4h 18m

$247

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 4/4

7:35 am-3:09 pm

1 stop9h 34m

Seattle/Tacoma Intl

Wed 4/22

1:30 pm-9:34 pm

1 stop6h 04m

$257

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 5/5

6:10 pm-12:10 am

1 stop8h 00m

Seattle/Tacoma Intl

Wed 5/13

12:10 pm-11:35 pm

1 stop9h 25m

$267

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 4/21

2:27 pm-9:24 pm

1 stop8h 57m

Seattle/Tacoma Intl

Mon 4/27

9:13 am-3:46 pm

Nonstop4h 33m

$267

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 3/31

7:00 am-9:57 am

Nonstop4h 57m

Seattle/Tacoma Intl

Thu 4/23

11:14 pm-5:40 am

Nonstop4h 26m

$267

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 4/14

12:10 pm-5:45 pm

1 stop7h 35m

Seattle/Tacoma Intl

Tue 4/21

6:50 am-6:15 pm

2 stops9h 25m

$272

HoustonSeattle

HOU - SEA

HOUSEA

Houston Hobby

Tue 3/3

5:10 pm-10:35 pm

1 stop7h 25m

Seattle/Tacoma Intl

Mon 3/9

5:15 am-5:05 pm

1 stop9h 50m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 40 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% 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 January 30, 2026.

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 $217). 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 February 8, 2026.

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 7% 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 February 7, 2026.

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

How often are flights from Houston to Seattle delayed?

About 16% of weekly flights between Houston and Seattle have experienced delays in the past year, with the average delay time being 161 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 13% 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
Our travel experts
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

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 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 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 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 February 8, 2026.
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
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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
11,850 reviews
Alaska Airlines
8.0
Very good
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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
2,829 reviews
Alaska Airlines
8.0
Very good
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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
9,254 reviews
Alaska Airlines
8.0
Very good
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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.
American Airlines
7.2
Good
11,249 reviews
Alaska Airlines
8.0
Very good
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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
5.7
Fair
3,052 reviews
Alaska Airlines
8.0
Very good
11,850 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

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 $129 and $138, respectively. Users have found that Spirit Airlines is 74% 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 Delta, with prices starting from $85 and $92, respectively.

  • What are the cheapest flights from Houston to Seattle?

    While on average a flight from Houston to Seattle is generally $492, our data shows the cheapest flight currently is $397. When looking at the most popular route, (Houston Hobby - Seattle/Tacoma Intl), you can expect to pay $138 for that flight.

  • 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 $217). 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
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
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 February 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$86Average$204FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$257FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$266FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$148Average$377FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$184Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$423FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$214Average$388FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$237Average$420FlexibilityNo cancel feeOn-time63%

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