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

View AU$275 flight on Sun, 14 Sep. 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

January is typically the cheapest month to fly

From AU$188 - AU$614 per traveller.

Graph displaying average flight prices per month

Flight from Houston to Seattle route information
Origin airport
William P. Hobby
Destination airport
Seattle - Tacoma Intl.
Distance
3026 km
Average flight time
3 hours 35 mins

Your quick guide to flights from Houston to Seattle

Pick up great flights from Houston to Seattle

With Expedia, you have your pick of 2 flights a day with 6 airlines covering flights from Houston to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Houston to Seattle that take around 0 hours.

Find cheap flights from Houston to Seattle

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Houston to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in .

Reasons to book your flight from Houston to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Houston to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from William P. Hobby Airport to Seattle - Tacoma Intl. Airport (SEA)?
If you're planning on travelling between William P. Hobby Airport and Sea-Tac Airport, round-trip flights start from . This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from HOU to SEA that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for William P. Hobby Airport (HOU) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from HOU to SEA?
It's around 3 000 kilometres between William P. Hobby Airport and Sea-Tac Airport, so you'll be strapped into your seat for a while. Keep yourself entertained by packing things like your e-reader or a thrilling novel.
Which airlines fly direct from HOU to SEA?
You won't find any airlines operating directly between HOU and Seattle - Tacoma Intl. Airport (SEA), so be prepared to make at least one stop on your journey. A layover, whether short or long, can be a nice way to break up a trip!
Are William P. Hobby Airport (HOU) to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes score a bargain, with some of the cheapest airfares from HOU to Seattle - Tacoma Intl. Airport (SEA) surfacing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines publish prices that far in advance.

Explore a world of travel with Expedia

Houston Airports

Houston

*Available to Expedia members.