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Cheap flights from Seattle to Houston George Bush Intcntl Airport from C$ 194

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 27/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
27 Apr — 4 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 28 March 2026.

Wed 22/410:57 a.m.
SEA
-
IAH
2 stops20h 42m
Frontier
Wed 29/49:33 a.m.
IAH
-
SEA
1 stop10h 09m
Frontier
Deal found 23/3C$ 361
Tue 21/41:58 p.m.
SEA
-
IAH
Nonstop4h 29m
United Airlines
Tue 28/48:15 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 24/3C$ 387
Wed 22/46:30 a.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Tue 5/58:20 a.m.
IAH
-
SEA
1 stop8h 16m
United Airlines
Deal found 24/3C$ 395
Wed 29/411:35 p.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Tue 12/57:55 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 25/3C$ 410
Sat 18/411:35 p.m.
SEA
-
IAH
Nonstop4h 23m
United Airlines
Tue 21/48:15 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 25/3C$ 413
Wed 20/51:25 p.m.
SEA
-
IAH
1 stop6h 52m
Delta
Tue 26/54:08 p.m.
IAH
-
SEA
1 stop8h 47m
Delta
Deal found 26/3C$ 415
Sat 25/47:11 a.m.
SEA
-
IAH
1 stop7h 45m
United Airlines
Wed 29/48:15 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 25/3C$ 427
Thu 23/46:30 a.m.
SEA
-
IAH
Nonstop4h 21m
United Airlines
Wed 29/44:45 p.m.
IAH
-
SEA
Nonstop4h 57m
United Airlines
Deal found 25/3C$ 431
Sun 24/57:50 p.m.
SEA
-
IAH
1 stop12h 54m
Frontier
Mon 1/66:30 a.m.
IAH
-
SEA
2 stops38h 05m
Frontier
Deal found 26/3C$ 437
Sat 16/56:00 a.m.
SEA
-
IAH
1 stop7h 52m
Delta
Tue 19/57:59 p.m.
IAH
-
SEA
1 stop6h 13m
Delta
Deal found 26/3C$ 441
Wed 22/47:12 p.m.
SEA
-
IAH
1 stop12h 27m
Multiple Airlines
Wed 29/47:00 a.m.
IAH
-
SEA
Nonstop4h 49m
Multiple Airlines
Deal found 23/3C$ 448

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 28 March 2026.

Round-trip from

C$ 361

One-way from

C$ 194

Popular in

December

Cheapest in

September

Average price

C$ 488

Good round-trip deal

C$ 579 or less
Frontier
  • Frontier
  • 22/4-29/4
  • 3 total stops
  • 30h 51m total
  • Seattle to Houston
Search Deals
United Airlines
  • United Airlines
  • 21/4
  • Nonstop
  • 4h 21m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 28 March 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

Sat 25/4

7:11 a.m.-4:56 p.m.

1 stop7h 45m

Houston George Bush Intcntl

Wed 29/4

8:15 p.m.-11:12 p.m.

Nonstop4h 57m

C$ 427

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 4/5

1:57 p.m.-8:27 p.m.

Nonstop4h 30m

Houston George Bush Intcntl

Fri 8/5

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

Nonstop4h 57m

C$ 513

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 22/4

11:35 p.m.-5:56 a.m.

Nonstop4h 21m

Houston George Bush Intcntl

Wed 29/4

8:15 p.m.-11:12 p.m.

Nonstop4h 57m

C$ 527

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 25/4

11:35 p.m.-5:58 a.m.

Nonstop4h 23m

Houston George Bush Intcntl

Sat 2/5

4:45 p.m.-7:44 p.m.

Nonstop4h 59m

C$ 535

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 7/5

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

Nonstop4h 21m

Houston George Bush Intcntl

Sun 10/5

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

Nonstop4h 57m

C$ 582

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 22/5

7:05 a.m.-1:31 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Wed 3/6

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

Nonstop4h 48m

C$ 610

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 17/5

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

Nonstop4h 21m

Houston George Bush Intcntl

Wed 20/5

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

Nonstop4h 57m

C$ 616
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 26/6

11:54 p.m.-6:20 a.m.

Nonstop4h 26m

Houston George Bush Intcntl

Sun 28/6

6:00 a.m.-8:40 a.m.

Nonstop4h 40m

C$ 620

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 9/7

7:05 a.m.-1:31 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

Mon 13/7

4:25 p.m.-7:12 p.m.

Nonstop4h 47m

C$ 620

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 1/5

8:25 a.m.-5:18 p.m.

1 stop6h 53m

Houston George Bush Intcntl

Tue 5/5

4:59 p.m.-11:29 p.m.

1 stop8h 30m

C$ 628

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/3

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?

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 13 March 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, November is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of C$ 204). Flying from Seattle to Houston George Bush Intcntl Airport in January is currently the most expensive (average of C$ 329). 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 28 March 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?

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. 0 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 5 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 20m. Fly via Delta, Alaska Airlines, or United 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 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 (100%), Alaska Airlines (92%) or Qatar Airways (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$ 579, our data indicates the cheapest price to be C$ 578. The most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl), is priced around C$ 419.

  • 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, November is the cheapest month in which you can book a flight from Seattle to Houston George Bush Intcntl Airport (average of C$ 204). Flying from Seattle to Houston George Bush Intcntl Airport in January is currently the most expensive (average of C$ 329). 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
Katy
Cypress

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 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 216AverageC$ 482FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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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