HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

Flights from Houston to Seattle from $211 - Compare and Save

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SEA
Jun 11 — Jun 181
Wed 6/11
Wed 6/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Seattle/Tacoma Intl are usually found in February or September, booked 51 days in advance, depart on a Wednesday or Friday and return on a Thursday

Cheap flight deals from George Bush Intcntl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 6, 2025.

Round-trip from

$211
(Alaska Airlines)

One-way from

$116
(FlightHub)

Popular in

December

Cheapest in

February

Average price

$428

Good round-trip deal

$366 or less

Good one-way deal

$193 or less
From Houston George Bush Intcntl to Seattle/Tacoma Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 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 June 2025
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.
Search Deals

Find flight deals from George Bush Intcntl to Seattle

Cheapest flights from George Bush Intcntl to Seattle
Explore the most affordable flight options available from George Bush Intcntl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 6, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/4. 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.
Sun 8/179:00 amIAH - SEA
Nonstop4h 41mAlaska Airlines
Sat 8/235:20 amSEA - IAH
1 stop9h 34mAlaska Airlines
Deal found 6/4$211
This Cheapflightsfares deal was found by Cheapflights users on 6/4. 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.
Tue 7/226:14 amIAH - SEA
1 stop12h 11mSpirit Airlines
Tue 7/295:30 pmSEA - IAH
1 stop10h 25mSpirit Airlines
Deal found 6/4$212
This Delta deal was found by Cheapflights users on 6/4. 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.
Sun 8/174:38 pmIAH - SEA
1 stop9h 43mDelta
Wed 8/2012:15 pmSEA - IAH
1 stop9h 18mDelta
Deal found 6/4$221
This Trip.com deal was found by Cheapflights users on 6/4. 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.
Thu 9/255:59 pmIAH - SEA
1 stop6h 30mHawaiian Airlines
Sat 10/45:47 pmSEA - IAH
Nonstop4h 23mHawaiian Airlines
Deal found 6/4$223
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Thu 8/288:08 pmIAH - SEA
1 stop6h 26mMultiple Airlines
Tue 9/25:40 pmSEA - IAH
Nonstop4h 26mMultiple Airlines
Deal found 6/4$225
This Frontier deal was found by Cheapflights users on 6/4. 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.
Tue 8/193:37 pmIAH - SEA
1 stop9h 25mFrontier
Sat 8/231:28 pmSEA - IAH
1 stop7h 57mFrontier
Deal found 6/4$230
This United Airlines deal was found by Cheapflights users on 6/4. 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 9/275:00 amIAH - SEA
2 stops15h 45mUnited Airlines
Fri 10/318:00 amSEA - IAH
1 stop10h 19mUnited Airlines
Deal found 6/4$307

Cheapflights Fare Finder

Customize your flight search to find flights from George Bush Intcntl 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 6, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Seattle that are best for you.

Fly from

George Bush Intcntl

Fly to

Seattle

Route

Depart

Return

Price

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 8/17

9:00 am-11:41 am

Nonstop4h 41m

Seattle/Tacoma Intl

Sat 8/23

5:20 am-4:54 pm

1 stop9h 34m

$211

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 7/22

6:14 am-4:25 pm

1 stop12h 11m

Seattle/Tacoma Intl

Tue 7/29

5:30 pm-5:55 am

1 stop10h 25m

$212

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 8/17

4:38 pm-12:21 am

1 stop9h 43m

Seattle/Tacoma Intl

Wed 8/20

12:15 pm-11:33 pm

1 stop9h 18m

$221

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 9/25

5:59 pm-10:29 pm

1 stop6h 30m

Seattle/Tacoma Intl

Sat 10/4

5:47 pm-12:10 am

Nonstop4h 23m

$223

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 8/28

8:08 pm-12:34 am

1 stop6h 26m

Seattle/Tacoma Intl

Tue 9/2

5:40 pm-12:06 am

Nonstop4h 26m

$225

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 8/19

3:37 pm-11:02 pm

1 stop9h 25m

Seattle/Tacoma Intl

Sat 8/23

1:28 pm-11:25 pm

1 stop7h 57m

$230

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 9/27

5:00 am-6:45 pm

2 stops15h 45m

Seattle/Tacoma Intl

Fri 10/31

8:00 am-8:19 pm

1 stop10h 19m

$307

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 7/30

6:14 am-4:25 pm

1 stop12h 11m

$116

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 9/4

5:59 pm-10:29 pm

1 stop6h 30m

$117

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 8/21

8:08 pm-12:31 am

1 stop6h 23m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 14 results
1
2

The best insider tips for Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to Seattle trip
Airlines
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on medium-haul flights.


Alaska's Wi-Fi is a bargain, perfect for getting work done on longer flights.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

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


United's Polaris Lounge in Houston offers showers and dining, enhancing pre-flight comfort.

Read more about United Airlinesby Harriet Baskas
Airports
IAH

Check the IAH website for security wait times to ensure a smooth departure. Both standard and TSA PreCheck lines are available.

Read more about IAHby Evie Carrick
SEA

Use the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

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 George Bush Intcntl to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from George Bush Intcntl 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 George Bush Intcntl Airport to Seattle

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Seattle. Price data was last updated on May 23, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Seattle is 51 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $238). Flying from Houston George Bush Intcntl Airport to Seattle in July is currently the most expensive (average of $393). 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 IAH to SEA?

Find hourly flight availability from George Bush Intcntl 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 6, 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Seattle in the morning. Doing so could potentially save you 11% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Seattle. Price data was last updated on June 1, 2025.

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

Weekly flight availability from Houston George Bush Intcntl Airport to Seattle

Explore weekly flight availability from George Bush Intcntl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 6, 2025.

The most flights from IAH to SEA are scheduled on a Thursday (24 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

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 6, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and Hawaiian Airlines from Houston to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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
7,956 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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
2,485 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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
8,776 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.9

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

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 George Bush Intcntl 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 George Bush Intcntl?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Houston George Bush Intcntl. On average, Seattle/Tacoma Intl has 19 inbound flights from Houston George Bush Intcntl per day from 7 airlines. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Seattle round-trip?

    Currently priced at $211, Alaska Airlines will fly you from Houston George Bush Intcntl Airport to Seattle and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $212 and $221, respectively. Users have found that Alaska Airlines is 46% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Seattle one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $116. Alaska Airlines flights start at $117 while deals on Frontier start at $118 one-way.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Seattle?

    Before booking your flight to Seattle from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Finnair (100%), Japan Airlines (89%), Emirates( 78%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Seattle?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Houston George Bush Intcntl - Seattle/Tacoma Intl) can be booked for $169 on average our data indicates $1,001 when flying from Houston George Bush Intcntl Airport to Seattle.

  • Can I find deals for flights from George Bush Intcntl to Seattle that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Seattle?

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

  • Can I find deals for business class flights from George Bush Intcntl to Seattle?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $238). Flying from Houston George Bush Intcntl Airport to Seattle in July is currently the most expensive (average of $393). 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 George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Renton
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Shelton
Silverdale
Issaquah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from George Bush Intcntl to Seattle

Discover the top 7 airlines that operate flights from George Bush Intcntl 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 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$198FlexibilityNo cancel feeOn-time65%
FrontierCheapest$130Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$316FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$203Average$387FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$236Average$389FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$260Average$465FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$276Average$382FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.