SFO to ACK from $312 in economy

B6JetBlue Airways

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

ACK

Nantucket Memorial Airport

Nantucket, United States

$631 USD

-51%$312 USD

Verified 14 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$754 6$754 7$672 8$833 9$1,010 10$833 11$756 12$714 13$672 14$540 15$773 16$951 17$714 18$654 19$654 20$501 21$464 22$524 23$654 24$572 25$606 26$464 27$396 28$396 29$444 30$488 31$488 1$488 2$376

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Friday, July 31st, 2026

7 round-trip options

Returning

Thu, Aug 6, 2026•6 Day Trip

$572 USD

Google Flights

Returning

Fri, Aug 7, 2026•7 Day Trip

$632 USD

Google Flights

Returning

Sat, Aug 8, 2026•8 Day Trip

$699 USD

Google Flights

Returning

Sun, Aug 9, 2026•9 Day Trip

$935 USD

Google Flights

Returning

Mon, Aug 10, 2026•10 Day Trip

$698 USD

Google Flights

Returning

Thu, Aug 13, 2026•13 Day Trip

$488 USD

Google Flights

Returning

Fri, Aug 14, 2026•14 Day Trip

$488 USD

Google Flights

San Francisco (SFO) to Nantucket (ACK) flight deal in economy from $312

San Francisco International Airport

Nantucket Memorial Airport

July 2026

Friday, July 31st, 2026