FFL Helper

FFL Helper / St Louis / San Francisco

STL → SFO

St Louis to San Francisco

Compare one-way fares for flights from St Louis to San Francisco.

Lowest fare $142
Distance 1,741 mi
Flight time 24h 5m
Airports STL–SFO
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By month: August 2026 from $266 · September 2026 from $142

Price calendar

August 2026

From $266

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September 2026

From $142 · up to $158

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22 $142 23 $150 24 $150 25 $150 26 $158
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Upcoming dates

San Francisco SFO

$142

Sep 22, 12:17pm · 24h 5m · 3 stops

STL → SFO · Frontier Airlines

Tickets

San Francisco SFO

$158

Sep 26, 12:17pm · 8h 7m · 1 stop

STL → SFO · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from St Louis to San Francisco. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book St Louis to San Francisco.