SEA to BOS from $297 in economy

B6JetBlue Airways

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

BOS

Logan International Airport

Boston, United States

$460 USD

-35%$297 USD

Verified 1 day ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$485 30$460 1$477 2$462 3$387 4$397 5$437 6$387 7$387 8$426 9$372 10$387 11$387 12$537 13$372 14$372 15$347 16$437 17$510 18$515 19$522 20$397 21$397 22$397 23$412 24$437 25$477 26$477 27$462 28$372 29$397 30$437 31$412 1$497 2$522

Extremely Rare Availability

4% of dates checked are available within 10% of the lowest price

Tuesday, July 21st, 2026

10 round-trip options

Returning

Sun, Jul 26, 2026•5 Day Trip

$462 USD

Google Flights

Returning

Mon, Jul 27, 2026•6 Day Trip

$397 USD

Google Flights

Returning

Tue, Jul 28, 2026•7 Day Trip

$397 USD

Google Flights

Returning

Wed, Jul 29, 2026•8 Day Trip

$412 USD

Google Flights

Returning

Thu, Jul 30, 2026•9 Day Trip

$397 USD

Google Flights

Returning

Fri, Jul 31, 2026•10 Day Trip

$517 USD

Google Flights

Returning

Sat, Aug 1, 2026•11 Day Trip

$602 USD

Google Flights

Returning

Sun, Aug 2, 2026•12 Day Trip

$462 USD

Google Flights

Returning

Mon, Aug 3, 2026•13 Day Trip

$428 USD

Google Flights

Returning

Tue, Aug 4, 2026•14 Day Trip

$462 USD

Google Flights

Seattle / Tacoma (SEA) to Boston (BOS) flight deal in economy from $297

Seattle–Tacoma International Airport

Logan International Airport

July 2026

Tuesday, July 21st, 2026