Your flight from Seattle to Houston should take about 4 hrs 20 mins. We've gone through all 30 of the weekly flights to or via Houston, operated by two airlines, to help you compare flight prices and times.
Alaska Airlines are the most popular airlines for flying from Seattle to Houston. Adjust your search options to look by month, and see how much you could save if you fly during low season.
If you're not sure who to fly with from Seattle, you might like to know that Alaska Airlines is the most popular airline for this route.
But if you can't find one which is right for you, try looking at flights to other cities in the USA to check out some other options.