Nonstop flights from Seattle to San Antonio

Alaska Airlines flies this route 1 to 2 times a day.

SEASeattle-Tacoma International

1,773 mi · 13 flights a week

SATSan Antonio International

SEASAT

When they leave

Seattle time

9:38a10:58pFirst departure 9:38 AM, last 10:58 PM

One morning flight at 9:38 AM, then one evening flight at 10:58 PM.

Every flight

Earliest first

9:38 AM→3:46 PMAlaska AirlinesBoeing 737Daily
10:58 PM→5:00 AM⁺¹Alaska AirlinesBoeing 737 MAX 9Mon, Wed, Thu, Fri, Sat, Sun

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

Flying from Seattle to San Antonio

Alaska Airlines is the only airline flying nonstop from Seattle to San Antonio, 1 to 2 times a day on the Boeing 737 and Boeing 737 MAX 9.

There are 1 or 2 flights every day of the week. The first arrival in San Antonio is at 3:46 PM and the last at 5:00 AM the next day. The flight covers 1,773 miles.

Flying back, San Antonio to Seattle has 14 nonstop flights a week.

Return flights

San Antonio to SeattleView

Find the cheapest day to fly from Seattle to San Antonio.

Schedules as of Oct 9, 2026.