Southwest Airlines
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United States
Seattle–Tacoma International Airport
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United States
William P. Hobby Airport
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Scan through all non-stop flights from Seattle / Tacoma to Houston. The full flight schedule below gives an overview of all non-stop flights from SEA to HOU, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Houston any time of the year, but the best months to explore are from to and from to .
Currently, there is only one airline operating non-stop flights from Seattle / Tacoma SEA to Houston HOU, which is Southwest Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA HOU flight schedule.
Flights from SEA to HOU are operated 6 times a week, with an average of 1 flight per day. Departure times vary between 07:55 - 11:25. The earliest flight departs at 07:55, the last flight departs at 11:25. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Seattle / Tacoma to Houston takes 4 hours and 15 minutes. The flight distance between Seattle / Tacoma and Houston is 1,891 miles (or 3,043 km).
There are 2 airports in Houston: William P. Hobby Airport (HOU) and George Bush Intercontinental Airport (IAH).
There are 6 flights per week flying from Seattle / Tacoma to Houston (as of April 2026).
4 hours and 15 minutes is the average flight time from Seattle / Tacoma to Houston.
The distance from Seattle / Tacoma to Houston is 1,891 miles (3,043 kilometers).
Southwest Airlines is the only airline flying nonstop from Seattle / Tacoma to Houston.
There are no alliances flying direct from Seattle / Tacoma to Houston at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Seattle / Tacoma to Houston:
The earliest flight departs at 07:55 from Seattle / Tacoma and arrives at 14:05 at Houston.
The latest flight departs at 11:25 from Seattle / Tacoma and arrives at 17:45 at Houston.
1,891 miles (3,043 km) · 4h 15m
08:50
15:10
Southwest Airlines
WN 3397
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:25
16:50
Southwest Airlines
WN 3619
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:50
17:15
Southwest Airlines
WN 3619
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
11:05
17:25
Southwest Airlines
WN 3619
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
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