SEA to BOS from $273 in economy – flightdeals.net

Home Premium Fare Deals About

JetBlue Airways

B6JetBlue Airways

Round Trip•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Logan International Airport

Boston, United States

$412 USD

-34%$273 USD

Verified 18 days ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$300 29$273 30$273 1$326 2$322 3$295 4$300 5$300 6$273 7$295 8$315 9$300 10$295 11$300 12$300 13$273 14$273 15$300 16$300 17$273 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1

Limited Availability

16% of dates checked are available within 10% of the lowest price

Thursday, October 15th, 2026

3 round-trip options

Returning

Thu, Oct 22, 2026•7 Day Trip

$327 USD

Returning

Fri, Oct 23, 2026•8 Day Trip

$327 USD

Returning

Sat, Oct 24, 2026•9 Day Trip

$300 USD