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

SQSingapore Airlines

Round Trip•Economy

SIN

Singapore Changi Airport

Singapore, Singapore

SFO

San Francisco International Airport

San Francisco, United States

$1,482 USD

-56%$645 USD

Verified Nov 29, 2025 at 11:38 PM

January 2026

Today

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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 29th, 2026

8 round-trip options

Returning

Tue, Feb 3, 2026•5 Day Trip

$658 USD

Google Flights

Returning

Wed, Feb 4, 2026•6 Day Trip

$723 USD

Google Flights

Returning

Thu, Feb 5, 2026•7 Day Trip

$728 USD

Google Flights

Returning

Fri, Feb 6, 2026•8 Day Trip

$1,039 USD

Google Flights

Returning

Sat, Feb 7, 2026•9 Day Trip

$765 USD

Google Flights

Returning

Sun, Feb 8, 2026•10 Day Trip

$713 USD

Google Flights

Returning

Mon, Feb 9, 2026•11 Day Trip

$723 USD

Google Flights

Returning

Wed, Feb 11, 2026•13 Day Trip

$658 USD

Google Flights