SFO to ACK from $254 in economy

B6JetBlue Airways

Round Trip•Economy

SFO

San Francisco International Airport

San Francisco, United States

ACK

Nantucket Memorial Airport

Nantucket, United States

$1,208 USD

-79%$254 USD

Verified about 10 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$386 1$454 2$639 3$803 4$434 5$386 6$386 7$386 8$310 9$810 10$880 11$494 12$366 13$539 14$421 15$386 16$840 17$936 18$434 19$366 20$539 21$840 22$386 23$777 24$1,035 25$434 26$366 27$539 28$780 29$386 30$721 1$920 2$574 3$434 4$494

Extremely Rare Availability

1% of dates checked are available within 10% of the lowest price

Monday, September 21st, 2026

9 round-trip options

Returning

Sun, Sep 27, 2026•6 Day Trip

$1,344 USD

Google Flights

Returning

Mon, Sep 28, 2026•7 Day Trip

$1,222 USD

Google Flights

Returning

Tue, Sep 29, 2026•8 Day Trip

$1,154 USD

Google Flights

Returning

Wed, Sep 30, 2026•9 Day Trip

$840 USD

Google Flights

Returning

Thu, Oct 1, 2026•10 Day Trip

$840 USD

Google Flights

Returning

Fri, Oct 2, 2026•11 Day Trip

$840 USD

Google Flights

Returning

Sat, Oct 3, 2026•12 Day Trip

$917 USD

Google Flights

Returning

Sun, Oct 4, 2026•13 Day Trip

$1,544 USD

Google Flights

Returning

Mon, Oct 5, 2026•14 Day Trip

$1,294 USD

Google Flights

San Francisco (SFO) to Nantucket (ACK) flight deal in economy from $254

San Francisco International Airport

Nantucket Memorial Airport

September 2026

Monday, September 21st, 2026