$134 Cheap Flights from Houston (HOU) to Seattle (SEA)

View $134 flight on Fri, Oct 31, 2025Opens in a new window

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

Cheap Flights from Houston to Seattle (HOU-SEA)

Prices were available within the past 7 days and start at $134 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Nov 13 - Tue, Nov 18
HOU
Houston
SEA
Seattle
$255 Roundtrip, found 13 hours ago
$255
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Thu, Nov 13 from Houston to Seattle, returning Tue, Nov 18, priced at $255 found 13 hours ago

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

January is typically the cheapest month to fly

From $123 - $382 per traveler.

Alternative airports near Seattle

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

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $375
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $375

Frequently asked questions

How much does a flight from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $134 or cheap return flight from $255 from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from HOU to SEA is November, when demand is low. Off-peak season is generally when airlines offer better prices between these airports.
Which airlines fly direct from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
Although Houston, TX (HOU-William P. Hobby) doesn't have any direct flights to Seattle - Tacoma Intl. Airport (SEA), other airports have nonstop routes. Jetting off from George Bush Intercontinental Airport (IAH) will get you to Seattle without any detours.
What is the cheapest airline that flies from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest HOU to SEA flight.
How many flights per day from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
Direct flights from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HOU to SEA?
Generally you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from HOU to SEA?
Consider booking with Sun Country Airlines if you'd like to go straight from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 100%. Want to get notified of any changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your trip to book a ticket from HOU to SEA often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a HOU to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a HOU to SEA flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
Usually, it's possible to reschedule or cancel your HOU to SEA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
William P. Hobby
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines
Roundtrip price
$254
Distance
1891 mi
Average flight time
9 hours 15 mins

Book with confidence

Houston to Seattle Flights

The cheapest times to fly from Houston to Seattle

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 Houston to Seattle are during the month of November. You can find some of the cheapest flights from Houston to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to Seattle

Sunday is one of the best days to book for cheap flights from Houston to Seattle: 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 Houston to Seattle

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 Houston to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $134 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 Houston to Seattle 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 Houston to Seattle 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.

 

Houston to Seattle Flights

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*Available to One Key members.