$122 Cheap Flights from Seattle (SEA) to Houston (HOU)

View $122 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Houston William Hobby Airport (HOU)

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Cheap Flights from Seattle to Houston (SEA-HOU)

Prices were available within the past 7 days and start at $122 for one-way flights and $233 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Sep 16 - Tue, Sep 30
SEA
Seattle
HOU
Houston
$233 Roundtrip, found 3 days ago
$233
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Sep 16 from Seattle to Houston, returning Tue, Sep 30, priced at $233 found 3 days ago
Sun Country Airlines
Thu, Oct 9 - Sun, Oct 12
SEA
Seattle
HOU
Houston
$377 Roundtrip, found 19 hours ago
$377
Roundtrip
found 19 hours ago
Select Sun Country Airlines flight, departing Thu, Oct 9 from Seattle to Houston, returning Sun, Oct 12, priced at $377 found 19 hours ago

Find the cheapest month to fly from Seattle (SEA) to Houston (HOU)

January is typically the cheapest month to fly

From $122 - $388 per traveler.

Graph displaying average flight prices per month

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city center is 24 minutes. Flights from $388
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $388
Flights from Seattle (SEA) to Houston (HOU)
Origin airport
Seattle - Tacoma Intl.
Destination airport
William P. Hobby
Airlines serving
American Airlines, Delta, Southwest Airlines, Sun Country Airlines
Roundtrip price
$232
Distance
1891 mi
Average flight time
6 hours 15 mins

Seattle to Houston Flights

The cheapest times to fly from Seattle to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Houston are during the month of September. You can find some of the cheapest flights from Seattle to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Houston

Sunday is one of the best days to book for cheap flights from Seattle to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $122 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) cost?
Lock in a cheap one-way flight from $122 or cheap return flight from $233 from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU)?
September is the least expensive month to fly from SEA to HOU. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU)?
To find the cheapest airline flying from SEA to HOU, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU)?
There aren't any daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from SEA to HOU?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on various factors, such as the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from SEA to HOU?
With 100% of flights typically landing on schedule, Sun Country Airlines has the best on-time performance for nonstop flights from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU). To keep track of your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU)?
To avoid possible delays on the Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Houston from Seattle - Tacoma Intl. Airport (SEA)?
George Bush Intercontinental Airport (IAH) is the only airport in Houston with direct flights from Seattle - Tacoma Intl. Airport (SEA). Check out the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU) last-minute?
Holding off until just before your departure to book your flight from SEA to HOU often results in higher prices. While you might find some last-minute offers, they're not always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a SEA to HOU flight and hotel package?
You'll typically save money by securing a SEA to HOU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your preferred accommodations and flights, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to William P. Hobby Airport (HOU)?
If you booked your SEA to HOU flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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*Available to One Key members.