Los Angeles to San Francisco in September 2026

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

Lowest this month $19

Highest this month $146

Sample fare $19

Airports LAX–SFO

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September 2026 price calendar

From $19 · up to $146

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 $81 2 $98 3 $131 4 $97 5 $91 6 $103 7 $146 8 $90 9 $33 10 $30 11 $28 12 $28 13 $28 14 $25 15 $37 16 $32 17 $24 18 $29 19 $43 20 $110 21 $24 22 $19 23 $36 24 $23 25 $64 26 $73 27 $82 28 $24 29 $30 30 $37

San Francisco SFO

$19

Sep 22, 8:44am · 1h 38m · 0 stops

LAX → SFO · Frontier Airlines

San Francisco SFO

$23

Sep 24, 8:44am · 1h 38m · 0 stops

LAX → SFO · Frontier Airlines

This page is only September 2026 on the Los Angeles to San Francisco 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 Los Angeles to San Francisco in September 2026.