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George Bush Intcntl

$129+ Cheap flights from Seattle (SEA) to George Bush Intcntl (IAH)

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Houston George Bush Intcntl are usually found in September or January, booked 76 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Seattle to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to George Bush Intcntl (IAH). 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 July 31, 2025.

Round-trip from

$217
(Hawaiian Airlines)

One-way from

$129
(Hawaiian Airlines)

Popular in

December

Cheapest in

September

Average price

$474

Good round-trip deal

$354 or less

Good one-way deal

$226 or less
From Seattle/Tacoma Intl to Houston George Bush Intcntl
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One-way flight from Seattle/Tacoma Intl to Houston George Bush Intcntl
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Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Houston George Bush Intcntl.
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Find flight deals from Seattle to George Bush Intcntl

Cheapest flights from Seattle to George Bush Intcntl
Explore the most affordable flight options available from Seattle to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:40 pmSEA - IAH
Nonstop4h 26mHawaiian Airlines
Sat 9/277:28 pmIAH - SEA
Nonstop4h 49mHawaiian Airlines
Deal found 7/31$217
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:50 amSEA - IAH
1 stop7h 09mAlaska Airlines
Wed 9/177:28 pmIAH - SEA
Nonstop4h 49mAlaska Airlines
Deal found 7/30$221
This Kissandfly.com deal was found by Cheapflights users on 7/31. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:40 pmSEA - IAH
Nonstop4h 26mMultiple Airlines
Sat 9/67:28 pmIAH - SEA
Nonstop4h 49mMultiple Airlines
Deal found 7/31$224
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 11/113:48 pmSEA - IAH
1 stop6h 11mUnited Airlines
Tue 11/1812:50 pmIAH - SEA
1 stop7h 10mUnited Airlines
Deal found 7/30$232
This Frontier deal was found by Cheapflights users on 7/30. 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.
Sat 8/167:48 pmSEA - IAH
1 stop12h 36mFrontier
Tue 9/23:27 pmIAH - SEA
1 stop9h 34mFrontier
Deal found 7/30$238
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 11/1412:59 amSEA - IAH
1 stop7h 01mAmerican Airlines
Mon 11/178:26 amIAH - SEA
1 stop7h 42mAmerican Airlines
Deal found 7/31$262
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:10 amSEA - IAH
1 stop8h 52mDelta
Mon 9/227:15 pmIAH - SEA
1 stop6h 44mDelta
Deal found 7/30$277
This CheapOair deal was found by Cheapflights users on 7/28. 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 8/65:30 pmSEA - IAH
1 stop10h 25mSpirit Airlines
Mon 8/116:14 amIAH - SEA
1 stop12h 11mSpirit Airlines
Deal found 7/28$299

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to George Bush Intcntl 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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to Houston George Bush Intcntl Airport that are best for you.

Fly from

Seattle

Fly to

George Bush Intcntl

Route

Depart

Return

Price

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 9/23

11:49 am-6:28 pm

Nonstop4h 39m

Houston George Bush Intcntl

Sat 9/27

8:00 am-10:45 am

Nonstop4h 45m

$217

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 9/17

7:50 am-4:59 pm

1 stop7h 09m

Houston George Bush Intcntl

Wed 9/17

7:28 pm-10:17 pm

Nonstop4h 49m

$221

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 8/30

5:40 pm-12:06 am

Nonstop4h 26m

Houston George Bush Intcntl

Sat 9/6

7:28 pm-10:17 pm

Nonstop4h 49m

$224

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 11/11

3:48 pm-11:59 pm

1 stop6h 11m

Houston George Bush Intcntl

Tue 11/18

12:50 pm-6:00 pm

1 stop7h 10m

$232

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 8/16

7:48 pm-10:24 am

1 stop12h 36m

Houston George Bush Intcntl

Tue 8/19

3:27 pm-11:01 pm

1 stop9h 34m

$238

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 11/14

12:59 am-10:00 am

1 stop7h 01m

Houston George Bush Intcntl

Mon 11/17

8:26 am-2:08 pm

1 stop7h 42m

$262

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 9/18

7:10 am-6:02 pm

1 stop8h 52m

Houston George Bush Intcntl

Mon 9/22

7:15 pm-11:59 pm

1 stop6h 44m

$277

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 10/10

5:47 pm-12:10 am

Nonstop4h 23m

$129

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 11/16

11:58 am-8:58 pm

1 stop7h 00m

$130

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 9/12

7:50 am-4:59 pm

1 stop7h 09m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 15 results
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The best insider tips for Seattle to Houston George Bush Intcntl Airport 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 Seattle to Houston George Bush Intcntl Airport trip
Airlines
Alaska Airlines

Alaska's Saver Fare allows carry-on bags but restricts seat selection and changes.


Alaska Premium Class offers extra legroom and free cocktails, but snacks require purchase.

Read more about Alaska Airlinesby Robert Schrader
United Airlines

Basic Economy allows a personal item only; no carry-on bags unless exceptions apply.


United Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times. Sign up online a few days before your flight.

Read more about SEAby Brandon Schultz
IAH

For a quick ride to downtown Houston, Uber or Lyft from Terminals A, B, and C is recommended. Taxis are also available at Terminal E.

Read more about IAHby Evie Carrick
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 Seattle to George Bush Intcntl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to George Bush Intcntl. Price data was last updated on July 25, 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of $241). Flying from Seattle to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 SEA to IAH?

Find hourly flight availability from Seattle to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

It’s typically best to fly out from Seattle to Houston George Bush Intcntl Airport in the afternoon. Doing so could potentially save you 39% on the flight price compared to flying in the evening, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to George Bush Intcntl. Price data was last updated on July 27, 2025.

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

Weekly flight availability from Seattle to Houston George Bush Intcntl Airport

Explore weekly flight availability from Seattle to George Bush Intcntl. 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 July 31, 2025.

The most flights from SEA to IAH are scheduled on a Wednesday (23 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Seattle to Houston George Bush Intcntl Airport?

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Houston George Bush Intcntl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Food

7.1

Entertainment

7.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to George Bush Intcntl. 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 from for flights from Seattle to Houston George Bush Intcntl?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Houston George Bush Intcntl. 7 airlines have flights from Seattle/Tacoma Intl to Houston George Bush Intcntl on a regular basis. Booking flights from Seattle/Tacoma Intl to Houston George Bush Intcntl should not be difficult; the airport handles an average of 16 outbound flights to Houston George Bush Intcntl per day.

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

    Our cheapest airline available from Seattle to Houston George Bush Intcntl Airport is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $217 on this airline. Additional options worth looking into are Alaska Airlines and Frontier, starting at $221 and $238 round-trip. Users have found that Hawaiian Airlines is 44% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $129 on Hawaiian Airlines. Other airlines that offer cheap prices include Frontier from $135 and Alaska Airlines from $138 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Houston George Bush Intcntl Airport consider choosing Asiana Airlines (78%), EVA Air (75%) or United Airlines (74%) as they are the most reliable in getting you off to your destination on time.

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

    While on average a flight from Seattle to Houston George Bush Intcntl Airport is generally $969, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Seattle/Tacoma Intl - Houston George Bush Intcntl), you can expect to pay $217 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of $241). Flying from Seattle to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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
Montgomery
Spring
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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Top 7 airlines flying from Seattle to George Bush Intcntl

Discover the top 7 airlines that operate flights from Seattle to George Bush Intcntl. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$100Average$264FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$160Average$276FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$185Average$369FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$239Average$428FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$256Average$398FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$452FlexibilityNo cancel feeOn-time69%

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