United States
San Francisco
Singapore → San Francisco
$678One way
Good deal$135below typical
17% lessTypical fare $813
Departure
SIN
19h 45m1 stop
SFO
The price, in perspective
Nearby departure dates
7 days before and after 5 Dec
Daily minimumDaily average
Your trip$678
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You found the lowest fare
Among the nearby dates checked.
Price history for these dates
Same cities and travel dates. Airlines and flight times may change.
Observed price
Now$678
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Previous price $677 → Now $678
$13 lower than first seen on 19 Oct.
Recorded observations · Not a forecast
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Observed 24 Oct 2026, 3:25 pm · Recheck live price before booking.