Cheap Flights from Houston (HOU) to Seattle (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.

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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.

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.

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!

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.