Seattle

Cheap flights from George Bush Intcntl (IAH) to Seattle (SEA) - Compare and Save

IAH — SEA
May 4 — May 111
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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 61 days in advance, depart on a Wednesday or Saturday 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 April 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(CheapOair)

One-way from

$117
(CheapOair)

Popular in

March

Cheapest in

October

Average price

$341

Good round-trip deal

$393 or less

Good one-way deal

$240 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Seattle/Tacoma Intl flights.
From Houston George Bush Intcntl to Seattle/Tacoma Intl
One-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Average for round-trip flights in April 2026
Price to beat on a round-trip flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.
Price to beat on a one-way flight from Houston George Bush Intcntl to Seattle/Tacoma Intl.

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 April 4, 2026.

This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:45 am
IAH
-
SEA
1 stop27h 42m
Frontier
Tue 4/217:12 pm
SEA
-
IAH
1 stop26h 44m
Frontier
Deal found 3/30$221
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:45 am
IAH
-
SEA
1 stop10h 20m
Multiple Airlines
Sun 4/269:54 pm
SEA
-
IAH
1 stop28h 56m
Multiple Airlines
Deal found 3/30$222
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2410:49 am
IAH
-
SEA
1 stop24h 38m
Multiple Airlines
Mon 4/2710:11 pm
SEA
-
IAH
1 stop16h 44m
Multiple Airlines
Deal found 3/30$223
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:10 pm
IAH
-
SEA
1 stop15h 25m
Frontier
Mon 6/227:41 pm
SEA
-
IAH
1 stop27h 03m
Frontier
Deal found 3/30$225
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:00 am
IAH
-
SEA
1 stop15h 05m
Frontier
Wed 5/277:50 pm
SEA
-
IAH
1 stop12h 54m
Frontier
Deal found 3/30$226
This Booking.com deal was found by Cheapflights users on 3/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2710:05 pm
IAH
-
SEA
1 stop14h 01m
Frontier
Tue 6/911:53 am
SEA
-
IAH
1 stop9h 15m
Frontier
Deal found 3/30$227
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 4/1812:37 pm
IAH
-
SEA
1 stop22h 50m
Frontier
Tue 4/217:12 pm
SEA
-
IAH
1 stop17h 25m
Frontier
Deal found 4/1$229
This Frontier deal was found by Cheapflights users on 3/30. 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.
Wed 4/159:33 am
IAH
-
SEA
1 stop11h 09m
Frontier
Sun 4/199:54 pm
SEA
-
IAH
1 stop11h 53m
Frontier
Deal found 3/30$230
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:30 am
IAH
-
SEA
1 stop29h 19m
Frontier
Mon 5/2511:51 am
SEA
-
IAH
1 stop11h 34m
Frontier
Deal found 3/31$231
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:43 pm
IAH
-
SEA
2 stops41h 44m
Frontier
Tue 4/217:12 pm
SEA
-
IAH
1 stop17h 25m
Frontier
Deal found 3/31$232
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/79:17 pm
IAH
-
SEA
2 stops39h 05m
Frontier
Tue 5/127:50 pm
SEA
-
IAH
1 stop12h 54m
Frontier
Deal found 3/30$233
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/310:28 pm
IAH
-
SEA
1 stop15h 09m
Frontier
Thu 4/167:12 pm
SEA
-
IAH
1 stop27h 36m
Frontier
Deal found 3/30$235

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 April 4, 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

Mon 6/1

2:46 pm-5:40 pm

Nonstop4h 54m

Seattle/Tacoma Intl

Tue 6/9

5:30 pm-11:59 pm

Nonstop4h 29m

$412

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Fri 5/29

4:25 pm-7:12 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 5/31

11:52 pm-6:13 am

Nonstop4h 21m

$436

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 7/7

2:38 pm-5:21 pm

Nonstop4h 43m

Seattle/Tacoma Intl

Fri 7/17

11:57 pm-6:20 am

Nonstop4h 23m

$447
Quickest round-trip

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Mon 9/21

11:55 am-2:42 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Thu 9/24

7:03 am-1:21 pm

Nonstop4h 18m

$447

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 6/3

2:46 pm-5:40 pm

Nonstop4h 54m

Seattle/Tacoma Intl

Mon 6/15

11:57 pm-6:20 am

Nonstop4h 23m

$465

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Tue 5/19

10:31 am-7:04 pm

2 stops10h 33m

Seattle/Tacoma Intl

Mon 5/25

8:00 am-7:42 pm

1 stop9h 42m

$482

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Wed 5/13

7:55 pm-10:52 pm

Nonstop4h 57m

Seattle/Tacoma Intl

Thu 5/21

5:00 am-11:21 am

Nonstop4h 21m

$512

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sat 5/23

4:25 pm-7:12 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Sat 5/30

7:05 am-1:31 pm

Nonstop4h 26m

$517

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Thu 6/11

7:55 pm-10:42 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 6/14

5:00 pm-11:26 pm

Nonstop4h 26m

$547

HoustonSeattle

IAH - SEA

IAHSEA

Houston George Bush Intcntl

Sun 5/31

7:55 pm-10:42 pm

Nonstop4h 47m

Seattle/Tacoma Intl

Sun 6/7

10:40 pm-8:18 am

1 stop7h 38m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 24 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 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?

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 April 2, 2026.

The best time to book flights from Houston George Bush Intcntl Airport to Seattle is 61 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $158). Flying from Houston George Bush Intcntl Airport to Seattle in June is currently the most expensive (average of $251). 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 April 4, 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 15% 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 April 4, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Seattle flight should consider departing on Wednesday at noon 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?

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 April 4, 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.

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

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 7 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 47m. Fly via Alaska Airlines or United Airlines to get the fastest option. Airlines will cover a distance of 1871 mi. All flights are typically nonstop.

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

    Currently priced at $67, 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 Delta and Frontier - these airlines can fly you to your destination from $128 and $145, respectively. Users have found that Spirit Airlines is 82% 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 Delta, which is currently one of the cheapest options available, starting at $92. Frontier flights start at $96 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: Japan Airlines (90%), United Airlines (87%), Hawaiian 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 $128. While the most popular route (Houston George Bush Intcntl - Seattle/Tacoma Intl) can be booked for $238 on average, our data indicates $894 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, April is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Seattle (average of $158). Flying from Houston George Bush Intcntl Airport to Seattle in June is currently the most expensive (average of $251). 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
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
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Leavenworth
Snoqualmie
Tukwila
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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 April 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$67Average$205FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$226FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$136Average$282FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$162Average$276FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$196Average$387FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$203Average$383FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$257Average$448FlexibilityNo cancel feeOn-time69%

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