An Alaska Airlines plane taking off with a snow-capped mountain in the background.

CA $259 Cheap Flights from Houston (HOU) to Seattle (SEA)

View CA $259 flight on Tue, Oct 27, 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Houston (HOU) to Seattle (SEA)

Prices were available within the past 7 days and start at CA $259 for one-way flights and CA $517 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 5 - Tue, Sep 8
HOU
Houston
SEA
Seattle
CA $517 Roundtrip, found 3 hours ago
CA $517
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Sep 5 from Houston to Seattle, returning Tue, Sep 8, priced at CA $517 found 3 hours ago

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 centre is 20 minutes. Flights from CA $705
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $705

Frequently asked questions

How much does a flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between £96 and £561 and return flights often range between £96 and £561. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is typically the cheapest month to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares of approximately £236. This is about 18% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include September and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter HOU to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Houston, TX (HOU-William P. Hobby) (HOU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Houston, TX (HOU-William P. Hobby) (HOU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best time to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is January. This month offers a great balance, as it's both one of the cheapest and most popular times to travel. You can expect return flights to be around £236, and with its popularity, you'll find plenty of flight options to choose from. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 60 connecting flights per day from William P. Hobby (HOU) to Seattle - Tacoma Intl. (SEA). Some common connection points include Dallas-Fort Worth Intl. (DFW), Hartsfield-Jackson Atlanta Intl. (ATL), and Love Field (DAL).
What is the earliest flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Houston, TX (HOU-William P. Hobby) (HOU) to Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) typically departs at approximately 12:55 AM local time, operated by United Airlines and Alaska Airlines. This is a seasonal service active in November. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll typically find the most flights from William P. Hobby (HOU) to Seattle - Tacoma Intl. (SEA) on a Sunday, with around 110 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Southwest Airlines, and American Airlines. Sundays offer notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from William P. Hobby (HOU) to Seattle - Tacoma Intl. (SEA) are in the morning, from 6am to 9am. About 33% of passengers prefer this time window. Many major carriers, including Alaska Airlines, American Airlines and Southwest Airlines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive at your destination with plenty of time.
How long does it take to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A nonstop flight from HOU to SEA typically takes around 4 hours 50 minutes, covering approximately 1,892 miles. Connecting flights on this route usually add 3 hours 40 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for HOU to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from William P. Hobby (HOU)?
If you're planning to travel to Seattle from William P. Hobby (HOU), you can fly into Seattle - Tacoma Intl. (SEA) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), Love Field (DAL) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
William P. Hobby
Destination airport
Seattle - Tacoma Intl.
Airlines serving
American Airlines, Delta
Roundtrip price
CA $517
Distance
3026 km
Average flight time
2 hours 37 mins

Book with confidence

Houston to Seattle Flights

The easy way to book your flights from Houston to Seattle 

With Expedia, it’s simple to find and book flights to Seattle from Houston whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 7 airlines that cover this route. There are nonstop flights to Seattle - Tacoma Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Houston to Seattle today, tomorrow, or this week.  

 

Save dollars with cheap flights from William P. Hobby, HOU to Seattle - Tacoma Intl., SEA 

Sort your search results by price to find great deals on your flight from Houston to Seattle—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Seattle from Houston currently is just CA $517 rising to CA $517.  

Here are more money-saving tips: 

  • Fly in September when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Seattle  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Seattle from Houston 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Seattle with Expedia today.

Houston to Seattle Flights

Explore a world of travel with Expedia

*Available to Expedia members.