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$199+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SEA
Jul 17 — Jul 241
Fri 7/17
Fri 7/24
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Seattle with Cheapflights

1. Tell us where you want to go

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

Cheap 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 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sat 8/16:30 am
IAH
-
SEA
1 stop6h 50m
Frontier
Wed 8/192:37 pm
SEA
-
IAH
1 stop8h 18m
Frontier
Deal found 6/17$341
This Frontier deal was found by Cheapflights users on 6/17. 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 7/286:30 am
IAH
-
SEA
1 stop6h 50m
Frontier
Sun 8/168:53 pm
SEA
-
IAH
1 stop13h 29m
Frontier
Deal found 6/17$342
This Expedia deal was found by Cheapflights users on 6/17. 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.
Thu 7/24:21 pm
IAH
-
SEA
1 stop28h 36m
Frontier
Sun 7/1211:54 am
SEA
-
IAH
1 stop24h 58m
Frontier
Deal found 6/17$343
This CheapOair deal was found by Cheapflights users on 6/16. 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 7/16:14 pm
IAH
-
SEA
1 stop17h 34m
Frontier
Fri 7/107:06 pm
SEA
-
IAH
1 stop27h 34m
Frontier
Deal found 6/16$344
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:02 am
IAH
-
SEA
Nonstop4h 38m
Multiple Airlines
Wed 8/128:13 pm
SEA
-
IAH
1 stop14h 09m
Multiple Airlines
Deal found 6/16$346
This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Sat 7/116:10 am
IAH
-
SEA
1 stop14h 48m
Frontier
Tue 7/218:13 pm
SEA
-
IAH
1 stop14h 09m
Frontier
Deal found 6/13$347
This Frontier deal was found by Cheapflights users on 6/15. 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.
Mon 7/1310:09 pm
IAH
-
SEA
1 stop13h 08m
Frontier
Mon 7/278:53 pm
SEA
-
IAH
1 stop13h 29m
Frontier
Deal found 6/15$348
This Frontier deal was found by Cheapflights users on 6/12. 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 7/1010:09 pm
IAH
-
SEA
1 stop13h 08m
Frontier
Mon 7/138:53 pm
SEA
-
IAH
1 stop13h 29m
Frontier
Deal found 6/12$349
This Frontier deal was found by Cheapflights users on 6/12. 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 7/2410:09 pm
IAH
-
SEA
1 stop13h 08m
Frontier
Sun 7/268:53 pm
SEA
-
IAH
1 stop13h 29m
Frontier
Deal found 6/12$350
This Frontier deal was found by Cheapflights users on 6/15. 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 7/1010:09 pm
IAH
-
SEA
1 stop13h 08m
Frontier
Thu 7/1612:35 pm
SEA
-
IAH
1 stop10h 05m
Frontier
Deal found 6/15$351
This Kiwi.com deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:08 pm
IAH
-
SEA
1 stop13h 40m
Frontier
Tue 8/410:34 am
SEA
-
IAH
1 stop11h 22m
Frontier
Deal found 6/16$352
This CheapOair deal was found by Cheapflights users on 6/12. 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.
Sat 7/116:10 am
IAH
-
SEA
1 stop14h 48m
Frontier
Thu 7/1610:34 am
SEA
-
IAH
1 stop11h 22m
Frontier
Deal found 6/12$353

Find 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 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Kiwi.com)

One-way from

$199
(Super.com)

Popular in

June

Cheapest in

October

Average price

$532

Good round-trip deal

$475 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Seattle/Tacoma Intl flights.
Search Deals
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. 16% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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

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 17, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 9/1

6:16 pm-7:20 am

1 stop15h 04m

Seattle/Tacoma Intl

Wed 9/2

10:48 am-5:13 pm

Nonstop4h 25m

$367

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 8/8

2:28 pm-6:44 pm

1 stop6h 16m

Seattle/Tacoma Intl

Mon 8/10

7:15 am-6:02 pm

1 stop8h 47m

$435

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 7/7

2:25 pm-9:05 pm

1 stop8h 40m

Seattle/Tacoma Intl

Fri 7/10

3:21 pm-11:58 pm

1 stop6h 37m

$456

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 9/9

9:57 am-12:48 pm

Nonstop4h 51m

Seattle/Tacoma Intl

Sun 9/13

11:59 pm-6:17 am

Nonstop4h 18m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 8/20

6:45 pm-9:36 pm

Nonstop4h 51m

Seattle/Tacoma Intl

Wed 8/26

7:00 am-1:28 pm

Nonstop4h 28m

$457
Quickest round-trip

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 8/6

6:02 am-8:40 am

Nonstop4h 38m

Seattle/Tacoma Intl

Sat 8/8

11:57 pm-6:20 am

Nonstop4h 23m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 7/27

8:00 am-10:47 am

Nonstop4h 47m

Seattle/Tacoma Intl

Mon 8/10

11:49 pm-6:10 am

Nonstop4h 21m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 7/21

10:00 am-12:47 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Tue 7/28

5:00 am-11:21 am

Nonstop4h 21m

$457

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 7/30

6:02 am-8:40 am

Nonstop4h 38m

Seattle/Tacoma Intl

Fri 8/7

11:26 pm-1:35 pm

1 stop12h 09m

$467

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 8/10

4:25 pm-7:12 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Wed 8/19

7:00 am-1:28 pm

Nonstop4h 28m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 24 resultsSorted by cheapest first
1
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Compare providers for flights from George Bush Intcntl to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Seattle in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub 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 George Bush Intcntl Airport-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 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?

The best time to book flights from Houston George Bush Intcntl Airport to Seattle is 69 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $287). Flying from Houston George Bush Intcntl Airport to Seattle in June is currently the most expensive (average of $532). 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 17, 2026.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Seattle in the morning. Doing so could potentially save you 12% on the flight price compared to flying in the evening, 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 13, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Seattle flight should consider departing on Wednesday evenings 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 much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Seattle?

The best insider tips for Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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 June 17, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to Seattle, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,533 reviews
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,406 reviews
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
9,848 reviews
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Frontier
5.6
Fair
2,880 reviews
Alaska Airlines
7.9
Good
12,533 reviews

Food

7.0

Overall

7.9

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 6 inbound flights from Houston George Bush Intcntl per day from 5 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 6h 16m. Fly via Alaska Airlines, Delta, or American 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 $126, Frontier will fly you from Houston George Bush Intcntl Airport to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $128 and $205, respectively. Users have found that Frontier is 68% 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 Frontier, which is currently one of the cheapest options available, starting at $90. Delta flights start at $92 while deals on American Airlines start at $128 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: Alaska Airlines (90%), Emirates (89%), Japan Airlines( 85%).

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

    Looking at all options, your cheapest flight can be booked for $228. While the most popular route (Houston George Bush Intcntl - Seattle/Tacoma Intl) can be booked for $248 on average, our data indicates $954 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, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $287). Flying from Houston George Bush Intcntl Airport to Seattle in June is currently the most expensive (average of $532). 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 5 airlines flying from George Bush Intcntl to Seattle

Discover the top 5 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 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$126Average$284FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$167FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$205Average$443FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$367FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$257Average$479FlexibilityNo cancel feeOn-time69%

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