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

View AU$220 flight on Tue, 20 May 2025Opens in a new window

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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.

Delta
Tue., 20 May - Tue., 27 May
IAH
Houston
SEA
Seattle
AU$424 Return, found 3 days ago
AU$424
Return
found 3 days ago
Select Delta flight, departing Tue., 20 May from Houston to Seattle, returning Tue., 27 May, priced at AU$424 found 3 days ago
Delta
Thu., 1 May - Mon., 5 May
IAH
Houston
SEA
Seattle
AU$427 Return, found 5 days ago
AU$427
Return
found 5 days ago
Select Delta flight, departing Thu., 1 May from Houston to Seattle, returning Mon., 5 May, priced at AU$427 found 5 days ago
Delta
Sat., 3 May - Fri., 9 May
IAH
Houston
SEA
Seattle
AU$437 Return, found 3 days ago
AU$437
Return
found 3 days ago
Select Delta flight, departing Sat., 3 May from Houston to Seattle, returning Fri., 9 May, priced at AU$437 found 3 days ago
Delta
Tue., 20 May - Tue., 27 May
IAH
Houston
SEA
Seattle
AU$439 Return, found 3 days ago
AU$439
Return
found 3 days ago
Select Delta flight, departing Tue., 20 May from Houston to Seattle, returning Tue., 27 May, priced at AU$439 found 3 days ago
Delta
Thu., 1 May - Mon., 5 May
IAH
Houston
SEA
Seattle
AU$443 Return, found 5 days ago
AU$443
Return
found 5 days ago
Select Delta flight, departing Thu., 1 May from Houston to Seattle, returning Mon., 5 May, priced at AU$443 found 5 days ago
Alaska Airlines
Thu., 1 May - Mon., 5 May
IAH
Houston
SEA
Seattle
AU$443 Return, found 5 days ago
AU$443
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu., 1 May from Houston to Seattle, returning Mon., 5 May, priced at AU$443 found 5 days ago
Delta
Sat., 3 May - Fri., 9 May
IAH
Houston
SEA
Seattle
AU$453 Return, found 3 days ago
AU$453
Return
found 3 days ago
Select Delta flight, departing Sat., 3 May from Houston to Seattle, returning Fri., 9 May, priced at AU$453 found 3 days ago
Alaska Airlines
Thu., 1 May - Mon., 5 May
IAH
Houston
SEA
Seattle
AU$460 Return, found 5 days ago
AU$460
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu., 1 May from Houston to Seattle, returning Mon., 5 May, priced at AU$460 found 5 days ago
American Airlines
Thu., 1 May - Mon., 5 May
IAH
Houston
SEA
Seattle
AU$474 Return, found 5 days ago
AU$474
Return
found 5 days ago
Select American Airlines flight, departing Thu., 1 May from Houston to Seattle, returning Mon., 5 May, priced at AU$474 found 5 days ago
United
Sat., 3 May - Fri., 9 May
IAH
Houston
SEA
Seattle
AU$495 Return, found 3 days ago
AU$495
Return
found 3 days ago
Select United flight, departing Sat., 3 May from Houston to Seattle, returning Fri., 9 May, priced at AU$495 found 3 days ago
Flight from Houston to Seattle route information
Origin airport
George Bush Intercontinental
Destination airport
Seattle - Tacoma Intl.
Return price
AU$424
Distance
2994 km

Your quick guide to flights from Houston to Seattle

Pick up great flights from Houston to Seattle

With Expedia, you have your pick of flights a day with 20 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 hours.

Find cheap flights from Houston to Seattle

From the great flight deals with prices currently ranging from AU$424 to AU$495, 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 May.

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 AU$424. 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.

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