Get Me There. San Francisco to Porto
The cheapest round trip from San Francisco to Porto right now is $678 — Sep 12 → 21, 9 nights, 1 stop.
Best fare
Porto Sep 12 → 21 · 9 nights · 1 stop
$678BOOKBy month
July 2026 $1069
August 2026 $899
September 2026 $678
October 2026 $678
November 2026 $678
December 2026 $678
All dates (6 priced)
Porto Sep 12 → 21 · 9 nights · 1 stop
$678BOOKPorto Oct 1 → 7 · 6 nights · 1 stop
$678BOOKPorto Nov 2 → 8 · 6 nights · 1 stop
$678BOOKPorto Dec 5 → 11 · 6 nights · 1 stop
$678BOOKPorto Aug 13 → 21 · 8 nights · 1 stop
$899BOOKPorto Jul 27 → Aug 5 · 9 nights · 2 stops
$1069BOOKPrice history
typical $678–$678 · 2 wks of data