$144 Cheap Alaska Airlines flights San Francisco (SFO) to Boston (BOS)

$144 Cheap Alaska Airlines flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $144 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 4 - Tue, Aug 18

SFO

San Francisco

BOS

Boston

$287 Roundtrip, found 8 hours ago

$287

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Tue, Aug 4 from San Francisco to Boston, returning Tue, Aug 18, priced at $287 found 8 hours ago

Tue, Jun 2 - Tue, Jun 9

SFO

San Francisco

BOS

Boston

$302 Roundtrip, found 8 hours ago

$302

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Tue, Jun 2 from San Francisco to Boston, returning Tue, Jun 9, priced at $302 found 8 hours ago

Mon, Aug 31 - Tue, Sep 1

SFO

San Francisco

BOS

Boston

$311 Roundtrip, found 6 days ago

$311

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Mon, Aug 31 from San Francisco to Boston, returning Tue, Sep 1, priced at $311 found 6 days ago

Mon, Jun 1 - Tue, Jun 9

SFO

San Francisco

BOS

Boston

$317 Roundtrip, found 8 hours ago

$317

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Mon, Jun 1 from San Francisco to Boston, returning Tue, Jun 9, priced at $317 found 8 hours ago

Tue, Jun 2 - Wed, Jun 3

SFO

San Francisco

BOS

Boston

$326 Roundtrip, found 8 hours ago

$326

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Tue, Jun 2 from San Francisco to Boston, returning Wed, Jun 3, priced at $326 found 8 hours ago

Mon, Jun 1 - Wed, Jun 3

SFO

San Francisco

BOS

Boston

$332 Roundtrip, found 8 hours ago

$332

Roundtrip

found 8 hours ago

Select Alaska Airlines flight, departing Mon, Jun 1 from San Francisco to Boston, returning Wed, Jun 3, priced at $332 found 8 hours ago

Wed, May 27 - Wed, Jun 10

SFO

San Francisco

BOS

Boston

$345 Roundtrip, found 5 days ago

$345

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Wed, May 27 from San Francisco to Boston, returning Wed, Jun 10, priced at $345 found 5 days ago