Get Me There. San Francisco to St. Louis
The cheapest round trip from San Francisco to St. Louis right now is $318 — Sep 22 → 24, 2 nights, 1 stop.
Best fare
St. Louis Sep 22 → 24 · 2 nights · 1 stop
Above typical for this route ($248–$280) — it usually dips lower.
Prices checked on Sep 2
By month
September 2026cheapest $318
October 2026 $318
November 2026 $318
December 2026 $318
January 2027 $325
February 2027 $358
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Price history
8 weeks tracked · weekly lows
All dates (720 priced)
Sep 22 → 24 2 nights · 1 stop
Sep 22 → 25 3 nights · 1 stop
Sep 22 → 26 4 nights · 1 stop
Sep 23 → 25 2 nights · 1 stop
Sep 23 → 26 3 nights · 1 stop
Sep 23 → 28 5 nights · 1 stop
Sep 24 → 26 2 nights · 1 stop
Sep 24 → 28 4 nights · 1 stop
Sep 24 → 29 5 nights · 1 stop
Sep 25 → 28 3 nights · 1 stop
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