Nonstop flights from San Antonio to San Diego
Southwest Airlines flies this route 1 to 2 times a day.
SATSan Antonio International
1,128 mi · 13 flights a week
SANSan Diego International
When they leave
San Antonio time6:50a7:05pFirst departure 6:50 AM, last 7:05 PM
One morning flight at 6:50 AM, then one evening flight at 7:05 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from San Antonio to San Diego
Southwest Airlines is the only airline flying nonstop from San Antonio to San Diego, 1 to 2 times a day on the Boeing 737 and Boeing 737-700.
There are 1 or 2 flights every day of the week. The first arrival in San Diego is at 7:40 AM and the last at 7:55 PM. The flight covers 1,128 miles.
Flying back, San Diego to San Antonio has 13 nonstop flights a week.
Return flights
More from San Antonio
Find the cheapest day to fly from San Antonio to San Diego.
Schedules as of Oct 9, 2026.