Boston (BOS) to Seattle / Tacoma (SEA) flight deal in economy from $149

B6JetBlue Airways

One Way•Economy

BOS

Logan International Airport

Boston, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$231 USD

-35%$149 USD

Verified about 3 hours ago

September 2026

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31$1941$1692$1693$2144$1945$1696$1947$1948$1949$16410$14911$14912$14913$16414$14915$14916$14917$16418$14919$14920$16421$14922$14923$14924$14925$14926$14927$16428$14929$14930$1491$1492$1493$1494$149

Fair Availability

36% of dates checked are available within 10% of the lowest price

Thursday, September 10th, 2026

Outbound Flights

6h 17m·Nonstop

$149 USD

BOSSep 10 19:20

→

SEASep 10 22:37

B6 397Airbus A321

10h 34m·1 stop

$254 USD

BOSSep 10 13:10

→

JFKSep 10 14:26

B6 717Airbus A220-300 Passenger

3h 3m layover

JFKSep 10 17:29

→

SEASep 10 20:44

B6 263Airbus A320

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