San Diego to Los Angeles in September 2026

Dated one-way fares from San Diego to Los Angeles in September 2026. Use the calendar to see which days are cheaper.

Lowest this month $135

Highest this month $188

Sample fare $135

Airports SAN–LAX

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September 2026 price calendar

From $135 · up to $188

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $137 2 $135 3 $161 4 $161 5 $188

Los Angeles LAX

$135

Sep 02, 10:00am · 11h 54m · 1 stop

SAN → LAX · Frontier Airlines

Los Angeles LAX

$137

Sep 01, 10:00am · 11h 54m · 1 stop

SAN → LAX · Frontier Airlines

Los Angeles LAX

$188

Sep 05, 6:25am · 8h 55m · 1 stop

SAN → LAX · Frontier Airlines

This page is only September 2026 on the San Diego to Los Angeles route. Open the full route if you want the next months side by side.

Prices move as seats sell. Confirm the live itinerary before you book San Diego to Los Angeles in September 2026.