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

B6JetBlue Airways

One Way•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

BOS

Logan International Airport

Boston, United States

$239 USD

-38%$149 USD

Verified about 3 hours ago

September 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$2141$1942$1693$1944$1945$1946$1947$3148$2149$42910$41411$18612$17313$21414$14915$14916$14917$14918$14919$14920$14921$14922$14923$14924$16425$14926$16427$14928$14929$14930$1491$1492$1493$1494$149

Fair Availability

35% of dates checked are available within 10% of the lowest price

Monday, September 14th, 2026

Outbound Flights

5h 24m·Nonstop

$149 USD

SEASep 14 23:42

→

BOSSep 15 08:06

B6 398Airbus A321

Google Flights