Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Seattle to Houston George Bush Intcntl Airport from C$ 175

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — IAH
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Houston George Bush Intcntl are usually found in September or October, booked 64 days in advance, depart on a Friday or Tuesday and return on a Monday

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 10 March 2026.

Sat 25/410:50 p.m.
SEA
-
IAH
Nonstop4h 26m
Alaska Airlines
Tue 5/54:46 p.m.
IAH
-
SEA
Nonstop5h 02m
Alaska Airlines
Deal found 7/3C$ 349
Thu 2/412:42 p.m.
SEA
-
IAH
1 stop10h 06m
Frontier
Sun 5/410:56 p.m.
IAH
-
SEA
1 stop14h 41m
Frontier
Deal found 6/3C$ 356
Sat 16/511:59 p.m.
SEA
-
IAH
Nonstop4h 24m
Multiple Airlines
Fri 22/59:45 p.m.
IAH
-
SEA
1 stop19h 54m
Multiple Airlines
Deal found 9/3C$ 357
Wed 1/41:58 p.m.
SEA
-
IAH
Nonstop4h 29m
United Airlines
Tue 7/45:00 a.m.
IAH
-
SEA
1 stop7h 39m
United Airlines
Deal found 8/3C$ 362
Tue 31/31:30 p.m.
SEA
-
IAH
1 stop8h 19m
Delta
Tue 14/47:45 a.m.
IAH
-
SEA
1 stop9h 01m
Delta
Deal found 8/3C$ 376
Thu 2/412:42 p.m.
SEA
-
IAH
1 stop10h 06m
Frontier
Mon 6/46:45 a.m.
IAH
-
SEA
1 stop6h 52m
Frontier
Deal found 8/3C$ 377
Tue 31/36:24 p.m.
SEA
-
IAH
1 stop20h 55m
Multiple Airlines
Sun 5/47:00 a.m.
IAH
-
SEA
Nonstop4h 57m
Multiple Airlines
Deal found 5/3C$ 380
Tue 28/411:10 a.m.
SEA
-
IAH
1 stop8h 24m
Delta
Sat 2/56:35 a.m.
IAH
-
SEA
1 stop15h 50m
Delta
Deal found 7/3C$ 384
Wed 1/41:58 p.m.
SEA
-
IAH
Nonstop4h 29m
United Airlines
Wed 8/45:00 a.m.
IAH
-
SEA
1 stop7h 39m
United Airlines
Deal found 9/3C$ 389
Tue 31/36:24 p.m.
SEA
-
IAH
2 stops19h 43m
Frontier
Sun 5/410:56 p.m.
IAH
-
SEA
1 stop14h 41m
Frontier
Deal found 5/3C$ 399
Tue 31/311:25 a.m.
SEA
-
IAH
1 stop8h 11m
Delta
Tue 7/46:45 a.m.
IAH
-
SEA
2 stops13h 55m
Delta
Deal found 6/3C$ 402

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 10 March 2026.

Round-trip from

C$ 349

One-way from

C$ 175

Popular in

December

Cheapest in

September

Average price

C$ 475

Good round-trip deal

C$ 450 or less
Alaska Airlines
  • Alaska Airlines
  • 25/4-6/5
  • Nonstop
  • 9h 28m total
  • Seattle to Houston
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 6/5
  • Nonstop
  • 4h 26m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 42 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 10 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 4/4

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Wed 8/4

7:00 a.m.-9:57 a.m.

Nonstop4h 57m

C$ 471

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 6/4

11:01 p.m.-5:21 a.m.

Nonstop4h 20m

Houston George Bush Intcntl

Fri 10/4

7:00 a.m.-9:57 a.m.

Nonstop4h 57m

C$ 484

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 8/4

10:48 p.m.-1:27 p.m.

1 stop12h 39m

Houston George Bush Intcntl

Thu 9/4

4:51 p.m.-7:48 p.m.

Nonstop4h 57m

C$ 491

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 23/5

11:59 p.m.-6:23 a.m.

Nonstop4h 24m

Houston George Bush Intcntl

Wed 27/5

5:57 p.m.-10:34 p.m.

1 stop6h 37m

C$ 532

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 1/5

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

1 stop8h 13m

Houston George Bush Intcntl

Tue 5/5

12:19 p.m.-9:45 p.m.

2 stops11h 26m

C$ 552

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 8/5

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

Nonstop4h 21m

Houston George Bush Intcntl

Fri 15/5

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

Nonstop4h 57m

C$ 554
Quickest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 27/3

11:59 p.m.-6:17 a.m.

Nonstop4h 18m

Houston George Bush Intcntl

Sun 5/4

9:50 a.m.-12:47 p.m.

Nonstop4h 57m

C$ 607

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 26/4

6:30 a.m.-12:51 p.m.

Nonstop4h 21m

Houston George Bush Intcntl

Sat 2/5

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

Nonstop4h 57m

C$ 607

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 2/4

6:30 a.m.-12:51 p.m.

Nonstop4h 21m

Houston George Bush Intcntl

Mon 6/4

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

Nonstop4h 57m

C$ 613

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 10/4

12:54 p.m.-11:59 p.m.

1 stop9h 05m

Houston George Bush Intcntl

Tue 14/4

2:41 p.m.-11:27 p.m.

2 stops10h 46m

C$ 647

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

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 6 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$ 199). Flying from Seattle to Houston George Bush Intcntl Airport in January is currently the most expensive (average of C$ 322). 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 10 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 72% versus a flight at noon.

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 10 March 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
3,033 reviews
Check prices

Crew

6.6

Comfort

5.5

Overall

5.7

Boarding

6.0

Entertainment

4.3

Food

4.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BOS - ATL

Everything was on time. There were no refreshments but that was known in advance. Crew managed a medical emergency with efficiency and care.
Frontier
5.7
Fair
3,033 reviews
Frontier
5.7
Fair
3,033 reviews
Check prices

Crew

6.6

Comfort

5.5

Overall

5.7

Boarding

6.0

Entertainment

4.3

Food

4.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

BOS - ATL

Everything was on time. There were no refreshments but that was known in advance. Crew managed a medical emergency with efficiency and care.

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 8 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 Alaska 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$ 211, 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 United Airlines (92%), Qatar Airways (91%) or EVA Air (83%) 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$ 567, our data indicates the cheapest price to be C$ 446. The most popular route (Seattle/Tacoma Intl - Houston George Bush Intcntl), is priced around C$ 357.

  • 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$ 199). Flying from Seattle to Houston George Bush Intcntl Airport in January is currently the most expensive (average of C$ 322). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 211AverageC$ 472FlexibilityNo 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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Seattle to George Bush Intcntl for you. Better yet — we are completely free to use.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.