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

CA $260 Cheap Flights from Houston (HOU) to Seattle (SEA)

View CA $260 flight on Tue, Oct 6, 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 $260 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 6 days ago
CA $517
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 5 from Houston to Seattle, returning Tue, Sep 8, priced at CA $517 found 6 days 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 $702
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city centre20 min
Flights from CA $702

Frequently asked questions

How much does a flight from Houston, TX (HOU) to Seattle, WA (SEA) cost?
You can find cheap one-way flights from CA $260 and cheap return flights from CA $517 HOU to SEA with Expedia. One-way flights typically cost between CA$180 and CA$1,047. 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 HOU to SEA ticket fares go up or down.
What is the cheapest month to fly from Houston, TX (HOU) to Seattle, WA (SEA)?
The cheapest months to fly from Houston, TX (HOU) to Seattle, WA (SEA) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Only one airline offers direct flights from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.). Southwest Airlines operates 8 direct flights from HOU to SEA every week.
What is the cheapest airline that flies from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Alaska Airlines is one of the cheapest airlines offering nonstop return flights from William P. Hobby (HOU) to Seattle - Tacoma Intl. (SEA), with prices starting from around CA$362 for flights that can be booked for departure within the next year. Sun Country Airlines is one of the cheapest airlines offering connecting return flights, with prices starting from around CA$417. These prices are per adult for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
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) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from HOU to SEA, which is great 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 is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
You'll find approximately 66 connecting flights per day from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.). 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) to Seattle, WA (SEA-Seattle - Tacoma Intl.) typically departs around 12:55 AM local time. This flight is operated by United and Alaska Airlines. This is a seasonal service, active in November. An early departure like this can help you make the most of 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 Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) on a Sunday, with around 115 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Southwest Airlines, United, and American Airlines. Sunday offers notably more flight options compared to other days of the week, making it a great day to find a flight that fits your schedule.
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 Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) are in the morning, from 6am to 9am. Many major carriers, including Alaska Airlines, American Airlines and Southwest Airlines, offer flights during this window. Many travelers prefer this because it allows for an early start to their travel day, getting you to Seattle with plenty of time to settle in.
How long does it take to fly from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When flying from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll cover a distance of approximately 3,045 kilometres (1,892 miles). A nonstop flight typically takes around 4 hours 48 minutes. If you opt for a one-stop flight, your travel time will be longer, usually around 8 hours 30 minutes. Flights with two or more stops generally take about 12 hours. Keep in mind that actual flight times can vary due to factors like routing, weather, and wind patterns.
Can you fly business or first class from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Yes, you can fly business class or first class between HOU and SEA.Airlines that offer business class service on this route include:
  • Frontier Airlines
  • Delta
First class cabins are available on:
  • Alaska Airlines
  • Delta
  • United
  • American Airlines
How much is a business class flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A non-stop, one-way business class flight from Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) is usually around CA$914 - CA$1,764. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Houston, TX (HOU-William P. Hobby) to Seattle, WA (SEA-Seattle - Tacoma Intl.) if you opt for a connecting flight.
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, WA (SEA) from Houston, TX (HOU)?
If you're planning to travel to Seattle from William P. Hobby (HOU), you can fly directly into Seattle - Tacoma Intl. (SEA). Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), or 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.
Roundtrip price
CA $517
Distance
3026 km
Average flight time
2 hours 38 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 6 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.