Nonstop flights from Houston to San Diego
United Airlines flies this route 4 times a day.
IAHHouston George Bush Intercontinental
1,301 mi · 28 flights a week
SANSan Diego International
When they leave
Houston time9:33a7:56pFirst departure 9:33 AM, last 7:56 PM
Two in the morning, 9:33 AM to 11:55 AM, then one afternoon flight at 4:24 PM, then one evening flight at 7:56 PM. Every flight runs daily.
Every flight
Earliest first
Schedules last checked Sep 20, 2026. Times are local.
Flying from Houston to San Diego
United Airlines is the only airline flying nonstop from Houston to San Diego, 4 times a day on the Boeing 737 and Boeing 737 MAX 9.
The first arrival in San Diego is at 10:55 AM and the last at 9:25 PM. The flight covers 1,301 miles.
Flying back, San Diego to Houston has 28 nonstop flights a week. William P. Hobby (HOU) also has nonstop flights to San Diego, 20 a week.
Return flights
Every Houston airport
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Schedules as of Oct 9, 2026.