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Cheap flights from Seattle to Houston from C$ 189

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
2 Aug — 9 Aug1
1 adult

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 28 July 2025.

Round-trip from

C$ 333

One-way from

C$ 189

Popular in

December

Cheapest in

September

Average price

C$ 565
Hawaiian Airlines
  • Hawaiian Airlines
  • 14/11-23/11
  • Nonstop
  • 9h 26m total
  • Seattle to Houston
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Alaska Airlines
  • Alaska Airlines
  • 23/10
  • 1 total stop
  • 6h 40m total
  • Seattle to Houston
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Highest demand for flights based on searches. 7% potential increase in price (C$ 59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in July 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 28 July 2025.

Fri 14/1111:59 a.m.SEA - IAH
Nonstop4h 27mHawaiian Airlines
Sun 23/117:00 a.m.IAH - SEA
Nonstop4h 59mHawaiian Airlines
Deal found 27/7C$ 333
Mon 18/811:59 p.m.SEA - IAH
Nonstop4h 21mAlaska Airlines
Sat 23/86:00 a.m.IAH - SEA
Nonstop4h 42mAlaska Airlines
Deal found 28/7C$ 353
Thu 4/910:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
Mon 8/912:15 p.m.HOU - SEA
Nonstop4h 35mSouthwest
Deal found 28/7C$ 353
Thu 13/1112:59 a.m.SEA - IAH
1 stop7h 41mAmerican Airlines
Sun 23/118:26 a.m.IAH - SEA
1 stop7h 42mAmerican Airlines
Deal found 27/7C$ 377
Mon 18/89:40 a.m.SEA - IAH
1 stop6h 23mDelta
Sat 23/811:31 a.m.IAH - SEA
1 stop7h 07mDelta
Deal found 28/7C$ 423
Sun 24/85:15 p.m.SEA - IAH
Nonstop4h 20mUnited Airlines
Sat 27/127:50 p.m.IAH - SEA
Nonstop5h 02mUnited Airlines
Deal found 26/7C$ 442
Thu 6/116:24 p.m.SEA - HOU
1 stop13h 55mSun Country Air
Sun 9/119:33 a.m.HOU - SEA
1 stop9h 42mSun Country Air
Deal found 28/7C$ 460
Sun 26/109:55 p.m.SEA - HOU
1 stop9h 23mDelta
Tue 4/116:00 a.m.HOU - SEA
1 stop10h 01mDelta
Deal found 27/7C$ 464
Thu 14/85:40 p.m.SEA - IAH
Nonstop4h 19mMultiple Airlines
Sat 16/810:04 p.m.IAH - SEA
1 stop28h 30mMultiple Airlines
Deal found 28/7C$ 521

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 28 July 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 - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 18/8

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

Nonstop4h 21m

Houston George Bush Intcntl

Sat 23/8

8:00 a.m.-10:40 a.m.

Nonstop4h 40m

C$ 325

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 14/11

11:59 a.m.-6:26 p.m.

Nonstop4h 27m

Houston George Bush Intcntl

Sun 23/11

7:00 a.m.-9:59 a.m.

Nonstop4h 59m

C$ 333

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 4/9

10:45 p.m.-5:00 a.m.

Nonstop4h 15m

Houston Hobby

Mon 8/9

12:15 p.m.-2:50 p.m.

Nonstop4h 35m

C$ 353

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 13/11

12:59 a.m.-10:40 a.m.

1 stop7h 41m

Houston George Bush Intcntl

Sun 23/11

8:26 a.m.-2:08 p.m.

1 stop7h 42m

C$ 377

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Mon 18/8

9:40 a.m.-6:03 p.m.

1 stop6h 23m

Houston George Bush Intcntl

Sat 23/8

11:31 a.m.-4:38 p.m.

1 stop7h 07m

C$ 423

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Sun 24/8

5:15 p.m.-11:35 p.m.

Nonstop4h 20m

Houston George Bush Intcntl

Sat 27/12

6:45 p.m.-12:59 a.m.

1 stop8h 14m

C$ 455

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Thu 6/11

6:24 p.m.-10:19 a.m.

1 stop13h 55m

Houston Hobby

Sun 9/11

9:33 a.m.-5:15 p.m.

1 stop9h 42m

C$ 460

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

Sun 26/10

9:55 p.m.-9:18 a.m.

1 stop9h 23m

Houston Hobby

Tue 4/11

6:00 a.m.-2:01 p.m.

1 stop10h 01m

C$ 464

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Thu 14/8

5:40 p.m.-11:59 p.m.

Nonstop4h 19m

Houston George Bush Intcntl

Sat 16/8

10:04 p.m.-12:34 a.m.

1 stop28h 30m

C$ 521

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

Fri 12/9

7:50 a.m.-4:59 p.m.

1 stop7h 09m

C$ 189

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 16 results
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2

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 25 July 2025.

Booking 52 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$ 478). 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 28 July 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.

Weekly flight availability from Seattle to Houston

Explore weekly flight availability from Seattle to Houston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 July 2025.

The most flights from SEA to HO1 are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 28 July 2025.
Read through reviews of airlines operating flights from Seattle to Houston, such as Alaska Airlines,Southwest, andDelta. 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

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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 1 outbound flight to Houston per day from 4 airlines. Seattle/Tacoma Intl is conveniently located just 18.4 km from Seattle’s city centre.

  • 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$ 333. Other airlines that can offer you cheap pricing are Alaska Airlines, from C$ 353, and Southwest, from C$ 353. Users have found that Hawaiian Airlines is 36% 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 Alaska Airlines (C$ 189), Southwest (C$ 189), and Delta (C$ 191).

  • What are the cheapest flights from Seattle to Houston?

    Looking at all options, your cheapest flight can be booked for C$ 197. While the most popular route (Seattle/Tacoma Intl - Houston Hobby) can be booked for C$ 366 on average our data indicates C$ 271 when flying from Seattle to Houston.

  • 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$ 478). 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 Hobby flights
Seattle to George Bush Intcntl flights
Seattle to Austin flights
Bellingham to Dallas/Fort Worth flights

Top 4 airlines flying from Seattle to Houston

Discover the top 4 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 28 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 176AverageC$ 316FlexibilityNo cancel feeOn-time62%
Search Frontier flights
SouthwestCheapestC$ 197AverageC$ 242FlexibilityNo cancel feeOn-time63%
Search Southwest flights
Alaska AirlinesCheapestC$ 237AverageC$ 519FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapestC$ 267AverageC$ 321FlexibilityNo cancel feeOn-time65%
Search Spirit 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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