SEA to ACK from $267 in economy – flightdeals.net

Home Premium Fare Deals About

JetBlue Airways

B6JetBlue Airways

Round Trip•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Nantucket Memorial Airport

Nantucket, United States

$562 USD

-52%$267 USD

Verified about 14 hours ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$370 1$375 2$424 3$534 4$304 5$344 6$344 7$447 8$268 9$529 10$658 11$375 12$317 13$344 14$298 15$267 16$521 17$558 18$317 19$267 20$317 21 22$267 23$529 24$558 25$317 26$267 27$317 28 29$267 30$521 1$521 2$298 3$267 4$317

Extremely Rare Availability

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

Monday, September 28th, 2026

0 round-trip options

No flight details available for this date.