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

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JetBlue Airways

B6JetBlue Airways

Round Trip•Economy

Logan International Airport

Boston, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$405 USD

-33%$273 USD

Verified 13 days ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$322 29$273 30$273 1$300 2$300 3$295 4$300 5$322 6$273 7$273 8$300 9$300 10$295 11$340 12$300 13$295 14$273 15$300 16$300 17$295 18$362 19$322 20 21 22 23 24 25 26 27 28 29 30 31 1

Fair Availability

22% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

2 round-trip options

Returning

Fri, Oct 23, 2026•5 Day Trip

$367 USD

Returning

Sat, Oct 24, 2026•6 Day Trip

$362 USD