Nonstop flights from Houston to Seattle

2 airlines fly this route, with up to 8 flights a day.

IAHHouston George Bush Intercontinental

1,872 mi · 53 flights a week

SEASeattle-Tacoma International

IAHSEA

When they leave

Houston time

6:02a7:55pFirst departure 6:02 AM, last 7:55 PM

Three in the morning, 6:02 AM to 10:00 AM, then three in the afternoon, 12:04 PM to 4:25 PM, then three in the evening, 6:30 PM to 7:55 PM.

Every flight

Earliest first

6:02 AM→8:40 AMAlaska AirlinesBoeing 737 MAX 9Daily
8:00 AM→10:47 AMUnited AirlinesBoeing 737Mon, Wed, Thu, Fri, Sat, Sun
8:00 AM→10:41 AMAlaska AirlinesBoeing 737Daily
10:00 AM→12:47 PMUnited AirlinesBoeing 737Daily
12:04 PM→2:52 PMUnited AirlinesBoeing 737 MAX 8Tue
2:38 PM→5:21 PMAlaska AirlinesBoeing 737 MAX 9Daily
4:25 PM→7:12 PMUnited AirlinesBoeing 737Daily
6:30 PM→9:18 PMUnited AirlinesBoeing 737Mon, Wed, Thu, Fri, Sun
6:45 PM→9:36 PMUnited AirlinesBoeing 737Tue
7:55 PM→10:42 PMUnited AirlinesBoeing 737 MAX 9Mon, Thu, Fri, Sat, Sun

Schedules last checked Sep 19, 2026. Times are local.

Flying from Houston to Seattle

United Airlines flies most often, 4 to 5 times a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737 MAX 9. Alaska Airlines flies 3 times a day on the Boeing 737 MAX 9 and Boeing 737.

There are 7 or 8 flights every day of the week. The first arrival in Seattle is at 8:40 AM and the last at 10:42 PM. The flight covers 1,872 miles.

Flying back, Seattle to Houston has 53 nonstop flights a week.

Return flights

Seattle to HoustonView

Find the cheapest day to fly from Houston to Seattle.

Schedules as of Oct 9, 2026.