Singapore (SIN) to San Francisco (SFO) flight deal from $645 USD in economy class – flightdeals.net

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Singapore Airlines

SQSingapore Airlines

Round Trip•Economy

Singapore Changi Airport

Singapore, Singapore

San Francisco International Airport

San Francisco, United States

$1,482 USD

-56%$645 USD

Verified Nov 29, 2025 at 11:38 PM

January 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30$2,176 31 1 2$2,434 3 4 5$2,631 6$2,631 7 8 9 10 11 12$2,569 13 14 15$1,382 16$1,488 17$2,434 18$2,434 19 20 21$1,133 22$883 23$883 24$1,526 25$1,540 26$1,496 27 28$883 29$658 30$656 31$1,139 1

Rare Availability

7% of dates checked are available within 10% of the lowest price

Thursday, January 15th, 2026

3 round-trip options

Returning

Wed, Jan 21, 2026•6 Day Trip

$1,526 USD

Returning

Thu, Jan 22, 2026•7 Day Trip

$1,434 USD

Returning

Wed, Jan 28, 2026•13 Day Trip

$1,382 USD