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Cheap flights from Seattle to Houston George Bush Intcntl Airport from C$ 264

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 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
26 Jun — 3 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to George Bush Intcntl

Enter your travel dates to find the best prices.

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 27 May 2026.

Fri 23/107:41 p.m.
SEA
-
IAH
1 stop21h 22m
Frontier
Mon 26/109:59 p.m.
IAH
-
SEA
1 stop15h 32m
Frontier
Deal found 24/5C$ 453
Sat 20/611:53 a.m.
SEA
-
IAH
1 stop9h 15m
Frontier
Thu 25/66:10 a.m.
IAH
-
SEA
1 stop14h 16m
Frontier
Deal found 23/5C$ 512
Fri 23/1010:45 a.m.
SEA
-
IAH
Nonstop4h 30m
Alaska Airlines
Mon 26/102:52 p.m.
IAH
-
SEA
Nonstop4h 49m
Alaska Airlines
Deal found 24/5C$ 630
Fri 10/77:05 a.m.
SEA
-
IAH
Nonstop4h 26m
United Airlines
Sun 12/78:00 a.m.
IAH
-
SEA
Nonstop4h 47m
United Airlines
Deal found 22/5C$ 631
Sun 12/710:29 p.m.
SEA
-
IAH
1 stop13h 06m
Alaska Airlines
Sat 18/76:02 a.m.
IAH
-
SEA
Nonstop4h 38m
Alaska Airlines
Deal found 25/5C$ 645
Sat 20/611:57 p.m.
SEA
-
IAH
Nonstop4h 23m
Multiple Airlines
Thu 25/610:08 p.m.
IAH
-
SEA
1 stop13h 40m
Multiple Airlines
Deal found 23/5C$ 648
Fri 13/119:20 p.m.
SEA
-
IAH
1 stop9h 26m
Delta
Sat 21/1111:30 a.m.
IAH
-
SEA
1 stop9h 08m
Delta
Deal found 26/5C$ 659
Sat 11/75:00 a.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Sun 19/74:25 p.m.
IAH
-
SEA
Nonstop4h 47m
United Airlines
Deal found 24/5C$ 664
Fri 19/65:00 a.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Mon 22/66:05 p.m.
IAH
-
SEA
Nonstop4h 48m
United Airlines
Deal found 26/5C$ 671
Sat 11/75:33 p.m.
SEA
-
IAH
Nonstop4h 26m
Alaska Airlines
Sun 19/76:02 a.m.
IAH
-
SEA
Nonstop4h 38m
Alaska Airlines
Deal found 24/5C$ 672
Mon 13/711:46 p.m.
SEA
-
IAH
1 stop10h 37m
JetBlue
Sat 18/711:43 a.m.
IAH
-
SEA
1 stop11h 14m
JetBlue
Deal found 24/5C$ 674

Find 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 27 May 2026.

Round-trip from

C$ 453

One-way from

C$ 264

Popular in

December

Cheapest in

September

Average price

C$ 624

Good round-trip deal

C$ 577 or less

Good one-way deal

C$ 517 or less
Frontier
  • Frontier
  • 23/10-26/10
  • 2 total stops
  • 36h 54m total
  • Seattle to Houston
Search Deals
JetBlue
  • JetBlue
  • 18/9
  • 1 total stop
  • 11h 15m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
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.
Search Deals

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 27/8

12:10 p.m.-6:40 p.m.

Nonstop4h 30m

Houston George Bush Intcntl

Tue 1/9

9:57 a.m.-12:48 p.m.

Nonstop4h 51m

C$ 631

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 14/7

10:52 a.m.-5:16 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Mon 20/7

6:02 a.m.-8:40 a.m.

Nonstop4h 38m

C$ 631
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 29/10

2:00 p.m.-8:16 p.m.

Nonstop4h 16m

Houston George Bush Intcntl

Fri 6/11

7:55 p.m.-10:38 p.m.

Nonstop4h 43m

C$ 631

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 2/7

5:33 p.m.-11:59 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Wed 8/7

2:38 p.m.-5:21 p.m.

Nonstop4h 43m

C$ 631

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 17/7

5:00 a.m.-11:21 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Fri 17/7

7:55 p.m.-10:42 p.m.

Nonstop4h 47m

C$ 631

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 20/6

11:49 p.m.-6:10 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Sun 28/6

7:55 p.m.-10:42 p.m.

Nonstop4h 47m

C$ 631

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 13/11

11:25 a.m.-9:36 p.m.

1 stop8h 11m

Houston George Bush Intcntl

Sat 21/11

6:30 a.m.-2:47 p.m.

1 stop10h 17m

C$ 659

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 8/10

10:45 a.m.-5:15 p.m.

Nonstop4h 30m

Houston George Bush Intcntl

Mon 12/10

2:52 p.m.-5:41 p.m.

Nonstop4h 49m

C$ 672

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 23/10

10:45 a.m.-5:15 p.m.

Nonstop4h 30m

Houston George Bush Intcntl

Mon 26/10

6:15 p.m.-6:00 a.m.

1 stop13h 45m

C$ 677

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 4/7

5:33 p.m.-11:59 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Wed 8/7

8:00 a.m.-10:41 a.m.

Nonstop4h 41m

C$ 721

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/5

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

Booking 63 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$ 355). Flying from Seattle to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 675). 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 27 May 2026.

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 60% versus a flight at noon.

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 27 May 2026.
Read through reviews of airlines operating flights from Seattle to Houston George Bush Intcntl Airport, such as Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Frontier
5.6
Fair
2,932 reviews
Check prices

Entertainment

4.3

Comfort

5.4

Crew

6.6

Food

4.5

Boarding

5.9

Overall

5.6

Reviews

1 / 20
2.0
Mediocre

Prodipto,Mar 2026

PHL - BNA

Delay at the beginning in Philly and then huge delay just sitting on the tarmac after landing, for one hour in Nashville
Frontier
5.6
Fair
2,932 reviews
Frontier
5.6
Fair
2,932 reviews
Check prices

Entertainment

4.3

Comfort

5.4

Crew

6.6

Food

4.5

Boarding

5.9

Overall

5.6

Reviews

1 / 20
2.0
Mediocre

Prodipto,Mar 2026

PHL - BNA

Delay at the beginning in Philly and then huge delay just sitting on the tarmac after landing, for one hour in Nashville

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. 1 airline 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 6 outbound flights to Houston George Bush Intcntl per day.

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

    There are many flights that can get you from Seattle to Houston George Bush Intcntl Airport in 4h 16m. Fly via Alaska Airlines or United Airlines to get the fastest option. There are 3011 km between Seattle and Houston George Bush Intcntl Airport. All flights are typically direct.

  • What is the cheapest airline to fly from Seattle to Houston George Bush Intcntl Airport round-trip?

    Frontier, at C$ 221, was found to be the cheapest airline from Seattle to Houston George Bush Intcntl Airport.. You may be able to fly from Seattle to Houston George Bush Intcntl Airport for 57% less than the average price by searching for this airline.

  • 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 Qatar Airways (93%), Alaska Airlines (92%) or EVA Air (90%) 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$ 547, our data indicates the cheapest price to be C$ 517. The most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl), is priced around C$ 699.

  • 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$ 355). Flying from Seattle to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 675). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Hobby flights

Top airline flying from Seattle to George Bush Intcntl

Discover the top airline 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 27 May 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 221AverageC$ 286FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Seattle to George Bush Intcntl?

Cheapflights makes it easy to find Seattle to George Bush Intcntl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Seattle to George Bush Intcntl?

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Can Cheapflights find flights from Seattle to George Bush Intcntl with no change fees?

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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