San Francisco (SFO) to Singapore (SIN) flight deal in economy from $372

UAUnited Airlines

One Way•Economy

SFO

San Francisco International Airport

San Francisco, United States

SIN

Singapore Changi Airport

Singapore, Singapore

$458 USD

-19%$372 USD

Verified 13 days ago

August 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

27$73428$73429$73430$73431$7341$3902$3723$3724$3725$3726$3727$3728$3729$37210$37211$37212$37213$37214$37215$37216$37217$37218$37219$37220$37221$37222$37223$37224$37225$37226$37227$37228$37229$37230$37231$3721$3722$3723$3724$3725$3726$372

Great Availability

76% of dates checked are available within 10% of the lowest price

Sunday, August 2nd, 2026

Outbound Flights

16h 25m·Nonstop

$372 USD

SFOAug 2 11:10

→

SINAug 3 18:35

UA 29Boeing 787

16h 25m·Nonstop

$483 USD

SFOAug 2 22:50

→

SINAug 4 06:15

UA 1Boeing 787

21h 20m·1 stop

$1,342 USD

SFOAug 2 12:25

→

NRTAug 3 15:00

UA 837Boeing 777

3h 40m layover

NRTAug 3 18:40

→

SINAug 4 00:45

NH 801Boeing 787

Google Flights