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Cheap flights from Seattle to Houston from C$ 166

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 342

One-way from

C$ 166

Popular in

December

Cheapest in

September

Average price

C$ 394
Southwest
  • Southwest
  • 18/10-25/10
  • 3 total stops
  • 17h 00m total
  • Seattle to Houston
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United Airlines
  • United Airlines
  • 11/11
  • Nonstop
  • 4h 28m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Houston

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 11 September 2025.

Sat 18/106:35 a.m.SEA - HOU
1 stop8h 45mSouthwest
Sat 25/108:40 a.m.HOU - SEA
2 stops8h 15mSouthwest
Deal found 9/9C$ 342
Fri 31/108:00 a.m.SEA - IAH
1 stop6h 50mHawaiian Airlines
Sun 2/117:00 a.m.IAH - SEA
Nonstop4h 54mHawaiian Airlines
Deal found 11/9C$ 346
Wed 1/1010:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Thu 2/106:10 a.m.HOU - SEA
1 stop6h 45mSouthwest
Deal found 10/9C$ 348
Wed 17/97:00 a.m.SEA - IAH
1 stop26h 09mFrontier
Sat 20/97:20 a.m.IAH - SEA
1 stop15h 19mFrontier
Deal found 11/9C$ 351
Sat 8/1110:15 a.m.SEA - HOU
2 stops8h 20mSouthwest
Fri 14/115:35 p.m.HOU - SEA
1 stop8h 30mSouthwest
Deal found 10/9C$ 352
Thu 2/101:00 p.m.SEA - IAH
1 stop7h 08mUnited Airlines
Sun 5/108:28 p.m.IAH - SEA
Nonstop4h 47mUnited Airlines
Deal found 10/9C$ 355
Fri 26/912:30 p.m.SEA - IAH
2 stops20h 39mFrontier
Tue 30/97:30 a.m.IAH - SEA
1 stop17h 29mFrontier
Deal found 10/9C$ 359
Mon 10/115:55 p.m.SEA - HOU
2 stops14h 30mSouthwest
Thu 13/1112:50 p.m.HOU - SEA
1 stop12h 05mSouthwest
Deal found 9/9C$ 360
Wed 8/106:15 a.m.SEA - HOU
2 stops11h 05mSouthwest
Wed 15/108:55 a.m.HOU - SEA
2 stops11h 45mSouthwest
Deal found 9/9C$ 362
Mon 3/1112:20 a.m.SEA - IAH
1 stop8h 43mAlaska Airlines
Wed 12/117:26 p.m.IAH - SEA
Nonstop4h 58mAlaska Airlines
Deal found 10/9C$ 364
Thu 2/108:30 a.m.SEA - IAH
1 stop8h 40mUnited Airlines
Mon 6/106:39 p.m.IAH - SEA
Nonstop4h 44mUnited Airlines
Deal found 10/9C$ 367
Thu 30/109:55 a.m.SEA - HOU
1 stop7h 05mSouthwest
Sat 1/119:05 a.m.HOU - SEA
2 stops9h 35mSouthwest
Deal found 9/9C$ 367

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 11 September 2025.
Use the filters below to find and compare flights from Seattle to Houston that are best for you.

Fly from

Seattle

Fly to

Houston

Route

Depart

Return

Price

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Mon 10/11

5:55 p.m.-10:25 a.m.

2 stops14h 30m

Houston Hobby

Thu 13/11

12:50 p.m.-10:55 p.m.

1 stop12h 05m

C$ 360

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Wed 8/10

6:15 a.m.-7:20 p.m.

2 stops11h 05m

Houston Hobby

Wed 15/10

8:55 a.m.-6:40 p.m.

2 stops11h 45m

C$ 362

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 30/10

9:55 a.m.-7:00 p.m.

1 stop7h 05m

Houston Hobby

Sat 1/11

9:05 a.m.-4:40 p.m.

2 stops9h 35m

C$ 367

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sat 25/10

5:45 a.m.-8:10 p.m.

1 stop12h 25m

Houston Hobby

Thu 30/10

6:00 a.m.-3:00 p.m.

2 stops11h 00m

C$ 370

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Tue 6/1

7:00 a.m.-1:25 p.m.

Nonstop4h 25m

Houston George Bush Intcntl

Thu 22/1

7:57 p.m.-10:59 p.m.

Nonstop5h 02m

C$ 373

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sat 8/11

11:59 p.m.-6:14 a.m.

Nonstop4h 15m

Houston George Bush Intcntl

Fri 14/11

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

Nonstop5h 00m

C$ 373

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 30/10

9:55 a.m.-7:00 p.m.

1 stop7h 05m

Houston Hobby

Mon 3/11

9:00 a.m.-6:20 p.m.

1 stop11h 20m

C$ 380

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 11/12

5:36 p.m.-11:59 p.m.

Nonstop4h 23m

Houston George Bush Intcntl

Tue 6/1

7:01 a.m.-9:59 a.m.

Nonstop4h 58m

C$ 384

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 17/10

5:47 p.m.-12:10 a.m.

Nonstop4h 23m

Houston George Bush Intcntl

Tue 21/10

5:00 a.m.-10:41 a.m.

1 stop7h 41m

C$ 387

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 23/10

5:15 a.m.-3:30 p.m.

1 stop8h 15m

Houston Hobby

Mon 27/10

5:25 p.m.-12:05 a.m.

1 stop8h 40m

C$ 389

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 39 results
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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

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Houston. Price data was last updated on 29 August 2025.

Booking 82 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.

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

Currently, September is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 364). Flying from Seattle to Houston in March is currently the most expensive (average of C$ 481). 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 11 September 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 57% on flights from Seattle to Houston by exploring options for tickets in the evening.

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

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 11 September 2025.
Read through reviews of airlines operating flights from Seattle to Houston, such as Alaska Airlines,Spirit Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,177 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Crew

8.5

Entertainment

7.0

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 3 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$ 384, Southwest can have you in Houston from Seattle in 4h 23m. 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$ 178. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 239, and Spirit Airlines, from C$ 270. Users have found that Frontier is 66% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Houston one-way?

    The cheapest airlines for a one-way flight from Seattle to Houston are United Airlines (C$ 166), Southwest (C$ 170), and Delta (C$ 177).

  • 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, September is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 364). Flying from Seattle to Houston in March is currently the most expensive (average of C$ 481). 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 George Bush Intcntl flights
Seattle to Austin flights
Bellingham to Dallas/Fort Worth flights

Top 3 airlines flying from Seattle to Houston

Discover the top 3 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 178AverageC$ 344FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 239AverageC$ 523FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapestC$ 270AverageC$ 324FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights

Fly with Cheapflights

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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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