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Cheap flights from Seattle to Houston George Bush Intcntl Airport from C$ 192

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
22 May — 29 May1
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 22 April 2026.

Fri 31/77:41 p.m.
SEA
-
IAH
1 stop13h 01m
Frontier
Mon 3/86:30 a.m.
IAH
-
SEA
1 stop9h 34m
Frontier
Deal found 20/4C$ 385
Sun 7/68:20 p.m.
SEA
-
IAH
2 stops12h 24m
Frontier
Tue 9/68:53 p.m.
IAH
-
SEA
1 stop15h 42m
Frontier
Deal found 21/4C$ 400
Tue 12/51:25 p.m.
SEA
-
IAH
1 stop6h 52m
Delta
Wed 13/511:34 a.m.
IAH
-
SEA
1 stop9h 15m
Delta
Deal found 20/4C$ 408
Wed 13/511:59 p.m.
SEA
-
IAH
1 stop7h 52m
Delta
Tue 19/56:15 a.m.
IAH
-
SEA
1 stop10h 50m
Delta
Deal found 21/4C$ 430
Thu 14/55:30 a.m.
SEA
-
IAH
1 stop10h 57m
Delta
Tue 19/56:15 a.m.
IAH
-
SEA
1 stop8h 08m
Delta
Deal found 20/4C$ 452
Tue 26/55:00 p.m.
SEA
-
IAH
Nonstop4h 26m
United Airlines
Tue 2/64:25 p.m.
IAH
-
SEA
Nonstop4h 47m
United Airlines
Deal found 20/4C$ 460
Sat 5/95:00 p.m.
SEA
-
IAH
Nonstop4h 23m
United Airlines
Mon 7/96:31 p.m.
IAH
-
SEA
Nonstop4h 50m
United Airlines
Deal found 21/4C$ 468
Fri 1/54:20 p.m.
SEA
-
IAH
2 stops16h 14m
Multiple Airlines
Sun 3/56:45 a.m.
IAH
-
SEA
1 stop28h 42m
Multiple Airlines
Deal found 17/4C$ 470
Tue 19/511:59 p.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Tue 26/56:05 p.m.
IAH
-
SEA
Nonstop4h 48m
United Airlines
Deal found 21/4C$ 479
Thu 14/57:00 a.m.
SEA
-
IAH
Nonstop4h 32m
United Airlines
Mon 18/57:55 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 21/4C$ 486
Sat 16/56:00 a.m.
SEA
-
IAH
1 stop7h 52m
Delta
Wed 27/54:08 p.m.
IAH
-
SEA
1 stop9h 47m
Delta
Deal found 20/4C$ 487

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 22 April 2026.

Round-trip from

C$ 385

One-way from

C$ 192

Popular in

December

Cheapest in

September

Average price

C$ 530

Good round-trip deal

C$ 570 or less
Frontier
  • Frontier
  • 31/7-3/8
  • 2 total stops
  • 22h 35m total
  • Seattle to Houston
Search Deals
United Airlines
  • United Airlines
  • 20/5
  • Nonstop
  • 4h 21m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip 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 22 April 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

Tue 26/5

3:33 p.m.-12:59 a.m.

1 stop7h 26m

Houston George Bush Intcntl

Tue 2/6

6:05 p.m.-8:53 p.m.

Nonstop4h 48m

C$ 474

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 5/6

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

Nonstop4h 21m

Houston George Bush Intcntl

Mon 8/6

8:00 a.m.-10:47 a.m.

Nonstop4h 47m

C$ 505

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 8/5

7:05 a.m.-5:18 p.m.

1 stop8h 13m

Houston George Bush Intcntl

Tue 12/5

7:00 a.m.-9:49 a.m.

Nonstop4h 49m

C$ 515

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 22/5

11:57 p.m.-6:18 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Tue 26/5

6:05 p.m.-8:53 p.m.

Nonstop4h 48m

C$ 558

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 12/5

10:50 p.m.-5:16 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Mon 18/5

8:00 a.m.-10:53 a.m.

Nonstop4h 53m

C$ 586
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 31/7

11:57 p.m.-6:20 a.m.

Nonstop4h 23m

Houston George Bush Intcntl

Mon 3/8

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

Nonstop4h 43m

C$ 651

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 11/5

10:50 p.m.-5:16 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Sun 17/5

6:00 a.m.-8:49 a.m.

Nonstop4h 49m

C$ 665

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 15/5

7:30 a.m.-11:55 p.m.

2 stops14h 25m

Houston George Bush Intcntl

Mon 18/5

4:08 p.m.-11:55 p.m.

1 stop9h 47m

C$ 691

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 14/5

10:58 p.m.-8:20 a.m.

1 stop7h 22m

Houston George Bush Intcntl

Sun 17/5

12:19 p.m.-8:09 p.m.

1 stop9h 50m

C$ 706

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 11/5

11:59 p.m.-6:20 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Tue 19/5

7:55 p.m.-10:52 p.m.

Nonstop4h 57m

C$ 710

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/4

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 17 April 2026.

Booking 64 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$ 351). Flying from Seattle to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 670). 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 22 April 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 22 April 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
5.7
Fair
2,982 reviews
Check prices

Crew

6.6

Overall

5.7

Food

4.5

Comfort

5.4

Boarding

5.9

Entertainment

4.3

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
5.7
Fair
2,982 reviews
Frontier
5.7
Fair
2,982 reviews
Check prices

Crew

6.6

Overall

5.7

Food

4.5

Comfort

5.4

Boarding

5.9

Entertainment

4.3

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 4 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 7h 26m. Fly via United Airlines or Alaska Airlines to get the fastest option. There are 3011 km between Seattle and Houston George Bush Intcntl Airport. This flight may include one or multiple stops.

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

    Frontier, at C$ 219, 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 56% 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 Air Tahiti Nui (93%), Asiana Airlines (89%) or Qatar Airways (88%) 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$ 570, our data indicates the cheapest price to be C$ 569. The most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl), is priced around C$ 400.

  • 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$ 351). Flying from Seattle to Houston George Bush Intcntl Airport in December is currently the most expensive (average of C$ 670). 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
Cypress

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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 22 April 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 219AverageC$ 299FlexibilityNo 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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