Seattle to Boston Flights (SEA-BOS) from $122

Selected fares from Seattle to Boston

The cheapest prices found with in the last 7 days for return flights were $244 and $122 for one-way flights to Boston for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 5 - Tue, Sep 10

SEA

Seattle - Tacoma Intl.

BOS

Logan Intl.

$244 Roundtrip, just found

$244

Roundtrip

just found

Select Spirit Airlines flight, departing Thu, Sep 5 from Seattle - Tacoma Intl. to Logan Intl., returning Tue, Sep 10, priced at $244 just found

Thu, May 30 - Mon, Jun 3

SEA

Seattle - Tacoma Intl.

PVD

T.F. Green

$333 Roundtrip, found 6 hours ago

$333

Roundtrip

found 6 hours ago

Select Sun Country Airlines flight, departing Thu, May 30 from Seattle - Tacoma Intl. to T.F. Green, returning Mon, Jun 3, priced at $333 found 6 hours ago

Sun, Sep 29 - Fri, Oct 4

SEA

Seattle - Tacoma Intl.

MHT

Manchester-Boston Regional

$376 Roundtrip, found 3 days ago

$376

Roundtrip

found 3 days ago

Select American Airlines flight, departing Sun, Sep 29 from Seattle - Tacoma Intl. to Manchester-Boston Regional, returning Fri, Oct 4, priced at $376 found 3 days ago