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$129+ Cheap flights from George Bush Intcntl (IAH) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Seattle/Tacoma Intl are usually found in September or February, booked 74 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 September 11, 2025.

Round-trip from

$197
(Frontier)

One-way from

$129
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$307

Good round-trip deal

$257 or less

Good one-way deal

$208 or less
From Houston George Bush Intcntl to Seattle/Tacoma Intl
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One-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 6% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.
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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 September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:12 pmIAH - SEA
2 stops15h 55mFrontier
Sat 11/112:58 pmSEA - IAH
1 stop8h 41mFrontier
Deal found 9/11$197
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/16:01 amIAH - SEA
1 stop6h 49mAmerican Airlines
Sun 10/512:34 amSEA - IAH
1 stop7h 32mAmerican Airlines
Deal found 9/11$199
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:28 pmIAH - SEA
Nonstop4h 47mUnited Airlines
Sun 10/1911:10 pmSEA - IAH
Nonstop4h 16mUnited Airlines
Deal found 9/11$201
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/74:30 pmIAH - SEA
2 stops29h 18mMultiple Airlines
Sat 10/111:02 pmSEA - IAH
1 stop14h 18mMultiple Airlines
Deal found 9/10$202
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Wed 10/810:12 pmIAH - SEA
2 stops19h 04mMultiple Airlines
Wed 10/151:02 pmSEA - IAH
1 stop14h 18mMultiple Airlines
Deal found 9/10$204
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:10 pmIAH - SEA
Nonstop4h 54mAlaska Airlines
Fri 11/75:20 amSEA - IAH
1 stop9h 30mAlaska Airlines
Deal found 9/11$205
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:37 pmIAH - SEA
1 stop7h 38mUnited Airlines
Wed 10/1511:10 pmSEA - IAH
Nonstop4h 16mUnited Airlines
Deal found 9/11$206
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/306:44 amIAH - SEA
1 stop15h 53mMultiple Airlines
Sun 11/22:22 pmSEA - IAH
1 stop7h 17mMultiple Airlines
Deal found 9/9$207
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:30 amIAH - SEA
1 stop17h 29mFrontier
Tue 9/307:00 amSEA - IAH
1 stop12h 14mFrontier
Deal found 9/11$208
This Delta deal was found by Cheapflights users on 9/9. 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.
Sat 10/411:22 amIAH - SEA
1 stop9h 14mDelta
Sat 10/116:00 amSEA - IAH
1 stop7h 55mDelta
Deal found 9/9$209
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/117:00 amIAH - SEA
1 stop7h 07mFrontier
Sun 10/199:58 pmSEA - IAH
1 stop22h 16mFrontier
Deal found 9/11$210

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 September 11, 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

Wed 10/8

8:25 am-3:32 pm

1 stop9h 07m

Seattle/Tacoma Intl

Thu 10/9

4:35 pm-10:55 pm

Nonstop4h 20m

$206

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 10/7

5:38 am-12:02 pm

1 stop8h 24m

Seattle/Tacoma Intl

Sat 10/11

7:05 am-1:33 pm

Nonstop4h 28m

$220

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 10/14

7:10 pm-10:04 pm

Nonstop4h 54m

Seattle/Tacoma Intl

Wed 11/5

8:00 am-4:50 pm

1 stop6h 50m

$234

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 11/5

8:30 am-1:54 pm

1 stop7h 24m

Seattle/Tacoma Intl

Mon 11/10

11:59 pm-6:14 am

Nonstop4h 15m

$236

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 10/4

11:14 am-5:53 pm

1 stop8h 39m

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-5:26 am

Nonstop4h 16m

$236

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 10/15

7:00 am-2:44 pm

1 stop9h 44m

Seattle/Tacoma Intl

Sat 11/8

7:25 am-11:59 pm

2 stops14h 34m

$238

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 10/17

7:10 pm-10:04 pm

Nonstop4h 54m

Seattle/Tacoma Intl

Mon 11/10

5:30 pm-11:52 pm

Nonstop4h 22m

$240

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 10/17

7:10 pm-10:04 pm

Nonstop4h 54m

Seattle/Tacoma Intl

Sun 11/9

11:59 am-6:26 pm

Nonstop4h 27m

$240

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 10/18

7:05 am-3:50 pm

1 stop10h 45m

Seattle/Tacoma Intl

Sun 10/26

11:55 pm-9:58 am

1 stop8h 03m

$249

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 10/11

6:39 pm-9:23 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sat 10/18

11:10 pm-5:26 am

Nonstop4h 16m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 23 results
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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 August 29, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Seattle is 74 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 June is currently the most expensive (average of $388). 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 September 11, 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 in the afternoon, 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 September 7, 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.

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 September 11, 2025.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Seattle, such as Alaska Airlines, Hawaiian Airlines, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,177 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 14 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.

  • How long is the flight from Houston George Bush Intcntl Airport to Seattle?

    There are many flights that can get you from Houston George Bush Intcntl Airport to Seattle in 4h 54m. Fly via United Airlines or Alaska Airlines to get the fastest option. Airlines will cover a distance of 1871 mi. This flight may include one or multiple stops.

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

    Currently priced at $107, Spirit Airlines will fly you from Houston George Bush Intcntl Airport 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 72% 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 Hawaiian Airlines, which is currently one of the cheapest options available, starting at $129. Delta flights start at $132 while deals on Alaska Airlines start at $140 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 (90%), Japan Airlines (89%), Hawaiian Airlines( 76%).

  • 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 $163 on average, our data indicates $754 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 June is currently the most expensive (average of $388). 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
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$107Average$205FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$252FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$276FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$232Average$387FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$240Average$399FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$386FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$267Average$473FlexibilityNo cancel feeOn-time69%

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