Get Me There. San Francisco to Buenos Aires
The cheapest round trip from San Francisco to Buenos Aires right now is $996 — Oct 15 → 21, 6 nights, 1 stop.
Best fare
Buenos Aires Oct 15 → 21 · 6 nights · 1 stop
Above typical for this route ($949–$977) — it usually dips lower.
Prices checked on Sep 2
By month
September 2026 $1024
October 2026cheapest $996
November 2026 $996
December 2026 $996
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Price history
7 weeks tracked · weekly lows
All dates (4 priced)
Oct 15 → 21 6 nights · 1 stop
Nov 9 → 16 7 nights · 1 stop
Dec 4 → 10 6 nights · 1 stop
Sep 28 → Oct 5 7 nights · 2 stops
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