Get Me There. San Francisco to Key West
The cheapest round trip from San Francisco to Key West right now is $301 — Oct 10 → 13, 3 nights, 1 stop.
Best fare
Key West Oct 10 → 13 · 3 nights · 1 stop
Prices checked on Aug 8
By month
August 2026 $379
September 2026 $351
October 2026cheapest $301
November 2026 $301
Get the best San Francisco deals by email — most Fridays, free.
Price history
1 week tracked · weekly lows
All dates (240 priced)
Oct 10 → 13 3 nights · 1 stop
Oct 10 → 14 4 nights · 1 stop
Oct 13 → 17 4 nights · 1 stop
Oct 14 → 17 3 nights · 1 stop
Oct 17 → 20 3 nights · 1 stop
Oct 17 → 21 4 nights · 1 stop
Oct 24 → 27 3 nights · 1 stop
Oct 24 → 28 4 nights · 1 stop
Oct 27 → 31 4 nights · 1 stop
Oct 28 → 31 3 nights · 1 stop
The Friday Deal Sheet
The week's best deals from San Francisco, most Fridays — free.