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Cheap flights from Seattle to Houston from C$ 176

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HOU
17 jun. — 24 jun.1
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 12 junio 2025.

Round-trip from

C$ 343

One-way from

C$ 176

Popular in

December

Cheapest in

September

Average price

C$ 529
Hawaiian Airlines
  • Hawaiian Airlines
  • 8/10-8/10
  • Nonstop
  • 9h 11m total
  • Seattle to Houston
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Alaska Airlines
  • Alaska Airlines
  • 31/8
  • Nonstop
  • 4h 26m total
  • Seattle to Houston
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
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 June 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 12 junio 2025.

mié. 8/1011:44 a.m.SEA - IAH
Nonstop4h 26mHawaiian Airlines
mié. 8/107:10 p.m.IAH - SEA
Nonstop4h 45mHawaiian Airlines
Deal found 11/6C$ 343
jue. 14/810:45 p.m.SEA - HOU
Nonstop4h 15mSouthwest
dom. 17/86:50 p.m.HOU - SEA
Nonstop4h 40mSouthwest
Deal found 11/6C$ 351
mar. 8/73:58 p.m.SEA - IAH
1 stop11h 57mSpirit Airlines
vie. 11/76:14 a.m.IAH - SEA
1 stop12h 11mSpirit Airlines
Deal found 11/6C$ 354
mié. 8/108:00 a.m.SEA - IAH
1 stop6h 40mAlaska Airlines
mié. 8/107:10 p.m.IAH - SEA
Nonstop4h 45mAlaska Airlines
Deal found 11/6C$ 357
dom. 26/1011:59 p.m.SEA - IAH
Nonstop4h 15mUnited Airlines
vie. 31/105:15 a.m.IAH - SEA
1 stop9h 03mUnited Airlines
Deal found 12/6C$ 360
jue. 25/912:40 a.m.SEA - IAH
1 stop7h 24mDelta
dom. 28/96:35 p.m.IAH - SEA
1 stop7h 34mDelta
Deal found 10/6C$ 379
sáb. 8/1111:50 a.m.SEA - HOU
1 stop7h 50mDelta
sáb. 15/1110:05 a.m.HOU - SEA
1 stop8h 33mDelta
Deal found 12/6C$ 379
jue. 28/811:55 p.m.SEA - HOU
1 stop9h 36mSun Country Air
dom. 31/87:45 p.m.HOU - SEA
1 stop14h 13mSun Country Air
Deal found 9/6C$ 431
sáb. 12/712:20 a.m.SEA - IAH
1 stop7h 44mMultiple Airlines
lun. 14/77:10 p.m.IAH - SEA
Nonstop4h 43mMultiple Airlines
Deal found 12/6C$ 837
dom. 15/61:22 a.m.SEA - HOU
1 stop6h 21mAmerican Airlines
jue. 19/610:13 a.m.HOU - SEA
1 stop8h 40mAmerican Airlines
Deal found 12/6C$ 1,031

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 12 junio 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

mié. 8/10

11:44 a.m.-6:10 p.m.

Nonstop4h 26m

Houston George Bush Intcntl

mié. 8/10

7:10 p.m.-9:55 p.m.

Nonstop4h 45m

C$ 343

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

jue. 14/8

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

Nonstop4h 15m

Houston Hobby

dom. 17/8

6:50 p.m.-9:30 p.m.

Nonstop4h 40m

C$ 351

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

mar. 8/7

3:58 p.m.-5:55 a.m.

1 stop11h 57m

Houston George Bush Intcntl

vie. 11/7

6:14 a.m.-4:25 p.m.

1 stop12h 11m

C$ 354

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

mié. 8/10

8:00 a.m.-4:40 p.m.

1 stop6h 40m

Houston George Bush Intcntl

mié. 8/10

7:10 p.m.-9:55 p.m.

Nonstop4h 45m

C$ 357

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

dom. 26/10

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

Nonstop4h 15m

Houston George Bush Intcntl

vie. 31/10

5:15 a.m.-12:18 p.m.

1 stop9h 03m

C$ 360

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

jue. 25/9

12:40 a.m.-10:04 a.m.

1 stop7h 24m

Houston George Bush Intcntl

dom. 28/9

6:35 p.m.-12:09 a.m.

1 stop7h 34m

C$ 379

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

sáb. 8/11

11:50 a.m.-9:40 p.m.

1 stop7h 50m

Houston Hobby

sáb. 15/11

10:05 a.m.-4:38 p.m.

1 stop8h 33m

C$ 379

SeattleHouston

SEA - HOU

SEAHOU

Seattle/Tacoma Intl

jue. 28/8

11:55 p.m.-11:31 a.m.

1 stop9h 36m

Houston Hobby

dom. 31/8

7:45 p.m.-7:58 a.m.

1 stop14h 13m

C$ 431

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

sáb. 12/7

12:20 a.m.-10:04 a.m.

1 stop7h 44m

Houston George Bush Intcntl

lun. 14/7

7:10 p.m.-9:53 p.m.

Nonstop4h 43m

C$ 837

SeattleHouston

SEA - IAH

SEAIAH

Seattle/Tacoma Intl

mar. 24/6

9:14 p.m.-11:13 a.m.

1 stop11h 59m

Houston George Bush Intcntl

sáb. 5/7

11:22 a.m.-9:53 p.m.

1 stop12h 31m

C$ 930

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 20 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 9 June 2025.

Booking 81 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$ 476). 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 12 junio 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 32% on flights from Seattle to Houston by exploring options for tickets in the afternoon.

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 12 junio 2025.

The most flights from SEA to HO1 are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 mm per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 12 junio 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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$ 343. Other airlines that can offer you cheap pricing are Southwest, from C$ 351, and Spirit Airlines, from C$ 354. Users have found that Hawaiian Airlines is 35% 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$ 176), Southwest (C$ 176), and Hawaiian Airlines (C$ 202).

  • 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$ 476). 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 Hobby flights
Seattle to George Bush Intcntl flights
Seattle to Dallas/Fort Worth 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 12 junio 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 175AverageC$ 314FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 266AverageC$ 320FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 296AverageC$ 481FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 420AverageC$ 1,121FlexibilityNo cancel feeOn-time69%
Search United 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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