Direct flights from Houston to Seattle

  • 8 flights a week
  • Southwest Airlines

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When the nonstops leave

Typical weekly schedule · 8 flights per week · Updated 78d ago

Most leave in the afternoon.

Morning before noon 0 a week

No nonstop leaves before noon.

Afternoon noon – 6 PM 5 a week

Arrive the same day

12:15 PMSat 2:45 PMMon, Thu, Fri 4:15 PMSun
Evening after 6 PM 3 a week
7:10 PMTue, Wed 9:30 PMSat
Southwest Airlines

More nonstops from Houston

HOU → ATL Atlanta 2 airlines HOU → BNA Nashville HOU → CRP Corpus Christi HOU → DAL Dallas HOU → LAS Las Vegas HOU → MAF Midland HOU → MCI Kansas City HOU → MCO Orlando SEA → HOU The return trip HOU All nonstops from Houston SEA All nonstops from Seattle

Frequently asked questions

Is there a direct flight from Houston to Seattle?

Yes. Southwest Airlines flies nonstop from Houston (HOU) to Seattle (SEA), 3–4 times a week. The flight takes about 4h 24m and covers 1,893 miles (3,046 km). Schedule data from 1 August 2026.

Which airlines fly direct from Houston to Seattle?

Southwest Airlines operates nonstop flights from Houston to Seattle.

How long is the flight from Houston to Seattle?

The nonstop flight from Houston to Seattle takes ~4h 24m (approximately 3046 km).

How often do direct flights operate from Houston to Seattle?

Nonstop flights from Houston to Seattle operate 3–4 times a week — 8 flights per week.

What days of the week are there direct flights from Houston to Seattle?

Direct flights from Houston to Seattle operate every day of the week.