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Cheap flights from Seattle to Houston George Bush Intcntl Airport from C$ 178

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
20 Aug — 27 Aug1
1 adult

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 Wednesday or Thursday 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 15 August 2025.

Round-trip from

C$ 299

One-way from

C$ 178

Popular in

December

Cheapest in

September

Average price

C$ 534

Good round-trip deal

C$ 579 or less

Good one-way deal

C$ 648 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 7/10-7/10
  • Nonstop
  • 9h 21m total
  • Seattle to Houston
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Hawaiian Airlines
  • Hawaiian Airlines
  • 15/9
  • Nonstop
  • 4h 26m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Houston George Bush Intcntl.
Search Deals
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 15 August 2025.

Tue 7/1011:43 a.m.SEA - IAH
Nonstop4h 27mHawaiian Airlines
Tue 7/107:10 p.m.IAH - SEA
Nonstop4h 54mHawaiian Airlines
Deal found 14/8C$ 299
Tue 16/95:40 p.m.SEA - IAH
Nonstop4h 26mAlaska Airlines
Wed 24/98:00 a.m.IAH - SEA
Nonstop4h 45mAlaska Airlines
Deal found 14/8C$ 307
Wed 3/95:15 p.m.SEA - IAH
Nonstop4h 20mUnited Airlines
Tue 16/94:50 p.m.IAH - SEA
1 stop8h 09mUnited Airlines
Deal found 13/8C$ 321
Tue 23/95:40 p.m.SEA - IAH
Nonstop4h 26mHawaiian Airlines
Sat 27/97:28 p.m.IAH - SEA
Nonstop4h 49mHawaiian Airlines
Deal found 14/8C$ 331
Tue 16/99:40 a.m.SEA - IAH
1 stop6h 25mDelta
Tue 23/912:46 p.m.IAH - SEA
1 stop11h 20mDelta
Deal found 14/8C$ 335
Tue 7/108:00 a.m.SEA - IAH
1 stop6h 40mAlaska Airlines
Tue 7/107:10 p.m.IAH - SEA
Nonstop4h 54mAlaska Airlines
Deal found 14/8C$ 336
Fri 31/101:43 p.m.SEA - IAH
Nonstop4h 27mUnited Airlines
Tue 4/1112:50 p.m.IAH - SEA
1 stop7h 10mUnited Airlines
Deal found 14/8C$ 339
Tue 23/911:15 p.m.SEA - IAH
1 stop15h 44mAlaska Airlines
Sat 27/97:28 p.m.IAH - SEA
Nonstop4h 49mAlaska Airlines
Deal found 14/8C$ 345
Thu 4/911:49 a.m.SEA - IAH
Nonstop4h 39mHawaiian Airlines
Thu 4/97:28 p.m.IAH - SEA
Nonstop4h 49mHawaiian Airlines
Deal found 14/8C$ 346
Tue 2/96:41 a.m.SEA - IAH
1 stop12h 01mFrontier
Thu 4/96:15 a.m.IAH - SEA
1 stop20h 15mFrontier
Deal found 14/8C$ 349
Fri 22/84:40 p.m.SEA - IAH
1 stop15h 59mMultiple Airlines
Sun 24/88:56 p.m.IAH - SEA
2 stops17h 29mMultiple Airlines
Deal found 14/8C$ 353

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 629,999 searches. Data last updated 15 August 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 7/10

11:43 a.m.-6:10 p.m.

Nonstop4h 27m

Houston George Bush Intcntl

Tue 7/10

7:10 p.m.-10:04 p.m.

Nonstop4h 54m

C$ 299

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 16/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Wed 24/9

8:00 a.m.-10:45 a.m.

Nonstop4h 45m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 8/10

5:47 p.m.-12:10 a.m.

Nonstop4h 23m

Houston George Bush Intcntl

Wed 22/10

7:10 p.m.-10:04 p.m.

Nonstop4h 54m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 16/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Tue 23/9

7:28 p.m.-10:17 p.m.

Nonstop4h 49m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 28/1

11:30 a.m.-5:49 p.m.

Nonstop4h 19m

Houston George Bush Intcntl

Tue 3/2

6:55 p.m.-9:35 p.m.

Nonstop4h 40m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 23/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Tue 30/9

8:00 a.m.-10:45 a.m.

Nonstop4h 45m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 17/9

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Wed 24/9

8:00 a.m.-10:45 a.m.

Nonstop4h 45m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 1/10

5:40 p.m.-12:06 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Tue 7/10

7:10 p.m.-10:04 p.m.

Nonstop4h 54m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 17/9

11:49 a.m.-6:28 p.m.

Nonstop4h 39m

Houston George Bush Intcntl

Tue 23/9

7:28 p.m.-10:17 p.m.

Nonstop4h 49m

C$ 307

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 3/9

11:59 p.m.-6:24 a.m.

Nonstop4h 25m

Houston George Bush Intcntl

Tue 7/10

6:00 a.m.-8:44 a.m.

Nonstop4h 44m

C$ 307

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/8

Showing 1-10 of 20 results
1
2

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 8 August 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, September is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Seattle to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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 15 August 2025.

When flying from Seattle to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 47% versus a flight in the evening.

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 15 August 2025.

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

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 15 August 2025.
Read through reviews of airlines operating flights from Seattle to Houston George Bush Intcntl Airport, such as Alaska Airlines and Frontier. 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
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

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
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

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.
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

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 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Houston George Bush Intcntl. 2 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 19 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?

    Frontier, at C$ 206, was found to be the cheapest airline from Seattle to Houston George Bush Intcntl Airport. An alternate airline flying to your destination would be Alaska Airlines. You may be able to fly from Seattle to Houston George Bush Intcntl Airport for 61% less than the average price by searching for these airlines.

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

    C$ 178 is the cheapest one-way deal found within the past few days, from Hawaiian Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from C$ 190 and C$ 192, respectively.

  • 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 (80%), United Airlines (69%) or EVA Air (67%) 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?

    Looking for the cheapest flight from Seattle to Houston George Bush Intcntl Airport? While on average our users pay C$ 773, our data indicates the cheapest price to be C$ 354. The most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl), is priced around C$ 467.

  • 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, September is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of C$ 343). Flying from Seattle to Houston George Bush Intcntl Airport in March is currently the most expensive (average of C$ 469). 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

Travelling 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
Humble
Katy
Cypress

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Top 2 airlines flying from Seattle to George Bush Intcntl

Discover the top 2 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 629,999 searches. Data last updated 15 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 206AverageC$ 373FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 298AverageC$ 469FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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Need flexible booking options for your flight to George Bush Intcntl from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to George Bush Intcntl become cheaper?

Not ready to book yet? You can track prices for flights from Seattle to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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