ACK to SEA from $262 in economy

B6JetBlue Airways

Round Trip•Economy

ACK

Nantucket Memorial Airport

Nantucket, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$557 USD

-53%$262 USD

Verified about 7 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$294 1$262 2$262 3$293 4$293 5$262 6$529 7$700 8$442 9$442 10$312 11$312 12$267 13$655 14$339 15 16$267 17$312 18$312 19$312 20$724 21$516 22 23$267 24$312 25$312 26$267 27$724 28$339 29 30$267 1$312 2$317 3$272 4$604

Extremely Rare Availability

3% of dates checked are available within 10% of the lowest price

Wednesday, September 9th, 2026

9 round-trip options

Returning

Mon, Sep 14, 2026•5 Day Trip

$473 USD

Google Flights

Returning

Tue, Sep 15, 2026•6 Day Trip

$442 USD

Google Flights

Returning

Wed, Sep 16, 2026•7 Day Trip

$696 USD

Google Flights

Returning

Thu, Sep 17, 2026•8 Day Trip

$733 USD

Google Flights

Returning

Fri, Sep 18, 2026•9 Day Trip

$492 USD

Google Flights

Returning

Sat, Sep 19, 2026•10 Day Trip

$442 USD

Google Flights

Returning

Sun, Sep 20, 2026•11 Day Trip

$492 USD

Google Flights

Returning

Tue, Sep 22, 2026•13 Day Trip

$442 USD

Google Flights

Returning

Wed, Sep 23, 2026•14 Day Trip

$704 USD

Google Flights

Nantucket (ACK) to Seattle / Tacoma (SEA) flight deal in economy from $262

Nantucket Memorial Airport

Seattle–Tacoma International Airport

September 2026

Wednesday, September 9th, 2026