Cheap flights from San Francisco to Singapore Changi
San Francisco to Singapore Changi (SFO → SIN). We are tracking 19 fares on this route.
Cheapest tracked fare $277 · typical price $1,044 · you save about $767 (73%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
—
2026-11-27
Direct
$277
Singapore Airlines
2027-02-14
Direct
$282
Singapore Airlines
2027-03-16
Direct
$312
Singapore Airlines
2027-03-17
Direct
$312
Singapore Airlines
2027-03-18
Direct
$316
Singapore Airlines
2027-03-19
Direct
$316
Singapore Airlines
2027-03-20
Direct
$316
Singapore Airlines
2026-11-30
Direct
$329
United
2026-10-19
Direct
$372
United
2026-10-25
Direct
$372
United
2026-10-26
Direct
$372
United
2026-11-02
Direct
$372
United
2026-11-08
Direct
$372
United
2026-11-15
Direct
$372
United
2026-11-23
Direct
$372
United
2026-11-09
Direct
$486
United
2026-11-16
Direct
$486
United
2026-11-22
Direct
$522
United
2026-11-01
Direct
$582
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
How cheap can flights from San Francisco to Singapore Changi get?
The cheapest fare we have tracked on this route is $277, compared with a typical $1,044 for a trip of this distance.
Is it cheaper to fly to Singapore Changi from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make San Francisco to Singapore Changi cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.