Nantucket (ACK) to San Francisco (SFO) flight deal in economy from $127

AAAmerican Airlines

One Way•Economy

ACK

Nantucket Memorial Airport

Nantucket, United States

SFO

San Francisco International Airport

San Francisco, United States

$324 USD

-61%$127 USD

Verified about 16 hours ago

August 2026

Today

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27$34128$34129$12730$15831$1581$5192$5883$4714$3615$4716$2387$3488$5259$58810$47111$38112$35713$15814$20415$47116$54617$20418$20719$15820$15821$20422$31123$54624$20425$12726$15827$15828$20429$30130$48631$2381$1582$1273$2044$2045$1586$312

Rare Availability

9% of dates checked are available within 10% of the lowest price

Sunday, August 16th, 2026

Outbound Flights

14h 47m·2 stops

$546 USD

ACKAug 16 11:12

→

BOSAug 16 12:26

AA 4479Embraer 175

4h 41m layover

BOSAug 16 17:07

→

PHLAug 16 18:50

AA 3309Boeing 737

45m layover

PHLAug 16 19:35

→

SFOAug 16 22:59

AA 2663Airbus A321neo

10h 14m·1 stop

$563 USD

ACKAug 16 12:53

→

PHLAug 16 14:40

AA 4735Embraer 175

2h 20m layover

PHLAug 16 17:00

→

SFOAug 16 20:07

AA 2045Airbus A321neo

9h 3m·1 stop

$588 USD

ACKAug 16 12:53

→

PHLAug 16 14:40

AA 4735Embraer 175

1h 10m layover

PHLAug 16 15:50

→

SFOAug 16 18:56

AA 3295Airbus A321neo

10h 18m·1 stop

$588 USD

ACKAug 16 15:41

→

PHLAug 16 17:30

AA 4518Embraer 175

2h 5m layover

PHLAug 16 19:35

→

SFOAug 16 22:59

AA 2663Airbus A321neo

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