SEA to BOS from $337 in economy – flightdeals.net

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Delta Air Lines

DLDelta Air Lines

Round Trip•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Logan International Airport

Boston, United States

$452 USD

-25%$337 USD

Verified about 7 hours ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6$692 7$692 8$597 9$597 10$597 11$597 12$502 13$502 14$502 15$502 16$502 17$467 18$467 19$397 20$512 21$647 22$452 23$397 24$397 25$512 26$572 27$422 28$422 29$422 30$518 1$528 2$407 3$407 4$372 5$407

Extremely Rare Availability

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

Thursday, June 4th, 2026

0 round-trip options

No flight details available for this date.