Boston (BOS) to Seattle / Tacoma (SEA) flight deal in economy from $164

Delta Air LinesDLDelta Air Lines
One Way•Economy
United StatesBOS

Logan International Airport

Boston, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$230 USD
-29%$164 USD
Verified about 11 hours ago
Rare Availability
9% of dates checked are available within 10% of the lowest price

Monday, December 14th, 2026

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