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Cheap flights from Seattle to Houston from C$ 274

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
28 Aug — 4 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Houston

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Houston
Explore the most affordable flight options available from Seattle to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2026.

Sun 11/1011:15 a.m.
SEA
-
IAH
1 stop8h 05m
Frontier
Tue 20/109:59 p.m.
IAH
-
SEA
1 stop14h 01m
Frontier
Deal found 28/7C$ 389
Fri 16/107:41 p.m.
SEA
-
IAH
1 stop14h 39m
Frontier
Thu 22/101:15 p.m.
IAH
-
SEA
1 stop8h 46m
Frontier
Deal found 28/7C$ 394
Wed 14/109:16 p.m.
SEA
-
IAH
1 stop21h 48m
Frontier
Wed 21/107:58 p.m.
IAH
-
SEA
1 stop15h 53m
Frontier
Deal found 28/7C$ 409
Sun 11/1011:15 a.m.
SEA
-
IAH
1 stop8h 05m
Frontier
Sat 24/1010:15 p.m.
IAH
-
SEA
1 stop13h 36m
Frontier
Deal found 28/7C$ 422
Thu 20/89:29 p.m.
SEA
-
IAH
2 stops11h 05m
Frontier
Mon 24/810:04 p.m.
IAH
-
SEA
1 stop13h 15m
Frontier
Deal found 29/7C$ 423
Fri 4/97:06 p.m.
SEA
-
IAH
1 stop13h 28m
Frontier
Mon 7/97:55 p.m.
IAH
-
SEA
1 stop16h 44m
Frontier
Deal found 26/7C$ 437
Mon 12/1011:15 a.m.
SEA
-
IAH
1 stop8h 05m
Multiple Airlines
Wed 21/102:55 p.m.
IAH
-
SEA
Nonstop4h 47m
Multiple Airlines
Deal found 28/7C$ 450
Mon 12/1011:15 a.m.
SEA
-
IAH
1 stop8h 05m
Multiple Airlines
Sat 24/102:55 p.m.
IAH
-
SEA
Nonstop4h 47m
Multiple Airlines
Deal found 28/7C$ 451
Sat 17/1010:47 a.m.
SEA
-
IAH
Nonstop4h 27m
Multiple Airlines
Mon 19/101:15 p.m.
IAH
-
SEA
1 stop8h 46m
Multiple Airlines
Deal found 28/7C$ 454
Sat 17/1010:47 a.m.
SEA
-
IAH
Nonstop4h 27m
Multiple Airlines
Sat 24/1010:15 p.m.
IAH
-
SEA
1 stop13h 36m
Multiple Airlines
Deal found 28/7C$ 459
Tue 13/107:41 p.m.
SEA
-
IAH
1 stop14h 39m
Multiple Airlines
Sat 24/102:55 p.m.
IAH
-
SEA
Nonstop4h 47m
Multiple Airlines
Deal found 28/7C$ 460
Sun 11/1011:15 a.m.
SEA
-
IAH
1 stop8h 05m
Frontier
Fri 23/101:15 p.m.
IAH
-
SEA
1 stop8h 46m
Frontier
Deal found 28/7C$ 463

Find flight deals from Seattle to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Houston (HO1). 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 29 July 2026.

Round-trip from

C$ 389

One-way from

C$ 274

Popular in

July

Cheapest in

September

Average price

C$ 680
Frontier
  • Frontier
  • 13/10-22/10
  • 2 total stops
  • 23h 25m total
  • Seattle to Houston
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 29/10
  • Nonstop
  • 4h 24m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Houston 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 29 July 2026.
Use the filters below to find and compare flights from Seattle to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 13/10

10:47 a.m.-5:14 p.m.

Nonstop4h 27m

Houston George Bush Intcntl

Sat 24/10

6:02 a.m.-8:46 a.m.

Nonstop4h 44m

C$ 475

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 13/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Tue 20/10

2:55 p.m.-5:42 p.m.

Nonstop4h 47m

C$ 475

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 13/10

11:50 p.m.-10:06 a.m.

1 stop8h 16m

Houston George Bush Intcntl

Wed 21/10

2:19 p.m.-7:02 p.m.

1 stop6h 43m

C$ 504

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 14/10

12:45 p.m.-11:10 p.m.

1 stop8h 25m

Houston Hobby

Wed 21/10

2:30 p.m.-7:05 p.m.

1 stop6h 35m

C$ 504

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Wed 14/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Mon 19/10

2:55 p.m.-5:42 p.m.

Nonstop4h 47m

C$ 511

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 21/9

5:34 p.m.-11:59 p.m.

Nonstop4h 25m

Houston George Bush Intcntl

Wed 30/9

2:34 p.m.-5:19 p.m.

Nonstop4h 45m

C$ 518

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 11/10

10:47 a.m.-5:14 p.m.

Nonstop4h 27m

Houston George Bush Intcntl

Tue 20/10

6:02 a.m.-8:46 a.m.

Nonstop4h 44m

C$ 518

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 6/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Wed 7/10

2:55 p.m.-5:42 p.m.

Nonstop4h 47m

C$ 532

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 19/9

10:41 a.m.-5:13 p.m.

Nonstop4h 32m

Houston George Bush Intcntl

Sat 26/9

7:02 a.m.-9:42 a.m.

Nonstop4h 40m

C$ 532

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 12/10

5:35 p.m.-11:59 p.m.

Nonstop4h 24m

Houston George Bush Intcntl

Sun 18/10

6:02 a.m.-8:46 a.m.

Nonstop4h 44m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 38 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston 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

What is the cheapest month to book a flight from Seattle to Houston?

Currently, October is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 459). Flying from Seattle to Houston in May is currently the most expensive (average of C$ 673). 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 HOU?

Find hourly flight availability from Seattle to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 60% on flights from Seattle to Houston by exploring options for tickets in the afternoon.

How much does it cost to fly round-trip from Seattle to Houston?

Airfare is below average for this route at the moment.
Seattle to Houston flights typically cost between C$ 398 and C$ 705 in October.
The cheapest round-trip price found within the last 5 days was C$ 389 on Frontier (11 Oct-20 Oct).

How far ahead should I book a flight from Seattle to Houston?

Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Houston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated 29 July 2026.
Read through reviews of airlines operating flights from Seattle to Houston, 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
7.9
Good
12,727 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,727 reviews
Alaska Airlines
7.9
Good
12,727 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,749 reviews
Alaska Airlines
7.9
Good
12,727 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Food

7.0

Comfort

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Houston. 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?

    Most people fly from Seattle/Tacoma Intl (SEA) if they book a flight from Seattle to Houston. On average, Seattle/Tacoma Intl has 0 outbound flights to Houston per day from 2 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • How long is the flight from Seattle to Houston?

    For as low as C$ 475, Alaska Airlines can have you in Houston from Seattle in 4h 24m. There are 3011 km between Seattle and Houston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Houston round-trip?

    Cheapflights users have booked flights from Seattle to Houston round-trip from C$ 226. Another airline that can offer you cheap pricing is Alaska Airlines. Users have found that Frontier is 59% cheaper than the other options available to this destination.

  • Can I find deals for flights from Seattle to Houston that include hotel bookings?

    Yes. In addition to deals on Seattle to Houston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Houston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Houston.

  • Can I find deals for business class flights from Seattle to Houston?

    Yes. Cheapflights offers flight deals from Seattle to Houston 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?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 459). Flying from Seattle to Houston in May is currently the most expensive (average of C$ 673). 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 Houston

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Dallas/Fort Worth flights
Seattle to Austin flights
Seattle to George Bush Intcntl flights
Bellingham to Dallas/Fort Worth flights

Top 2 airlines flying from Seattle to Houston

Discover the top 2 airlines that operate flights from Seattle to Houston. 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 29 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 226AverageC$ 326FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 334AverageC$ 588FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines 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 Houston?

Deals for Seattle to Houston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Houston?

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

Can Cheapflights find flights from Seattle to Houston with no change fees?

Certainly. Search results for flights to Houston from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Seattle to Houston become cheaper?

Of course! You can now track prices for flights from Seattle to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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