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Cheap flights from Seattle to Houston

SEA — HOU
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Seattle to Houston

Popular in

September

Cheapest in

January

Average price

C$ 624
Highest demand for flights based on searches. 2% potential increase in price (C$ 23 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
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Average for round-trip flights in October 2026
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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

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?

Booking 54 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, January is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 528). Flying from Seattle to Houston in September is currently the most expensive (average of C$ 672). 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?

Unlike at noon, when flights are generally more expensive, you can save up to 59% on flights from Seattle to Houston by exploring options for tickets in the afternoon.

Reviews of airlines servicing Houston

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
13,123 reviews
Check prices

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

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
13,123 reviews
Alaska Airlines
7.9
Good
13,123 reviews
Check prices

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

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
5.5
Fair
2,520 reviews
Alaska Airlines
7.9
Good
13,123 reviews
Check prices

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.0

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

  • 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.

  • 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$ 203. Another airline that can offer you cheap pricing is Alaska Airlines. Users have found that Frontier is 67% 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, January is the cheapest month in which you can book a flight from Seattle to Houston (average of C$ 528). Flying from Seattle to Houston in September is currently the most expensive (average of C$ 672). 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

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Alternative routes for Seattle to Houston

Seattle to Austin flights
Seattle to George Bush Intcntl flights
Seattle to Dallas/Fort Worth flights
Bellingham to Dallas/Fort Worth flights

Top 2 airlines flying from Seattle to Houston

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 203AverageC$ 321FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Alaska AirlinesCheapestC$ 331AverageC$ 584FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

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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.

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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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