$99 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

$99 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $99 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 11 - Tue, Sep 16

BOS

Boston

SFO

San Francisco

$297 Roundtrip, found 2 days ago

$297

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Thu, Sep 11 from Boston to San Francisco, returning Tue, Sep 16, priced at $297 found 2 days ago

Sun, Jun 7 - Thu, Jun 18

BOS

Boston

SFO

San Francisco

$328 Roundtrip, found 1 day ago

$328

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sun, Jun 7 from Boston to San Francisco, returning Thu, Jun 18, priced at $328 found 1 day ago

Tue, Dec 23 - Tue, Dec 30

BOS

Boston

SFO

San Francisco

$347 Roundtrip, just found

$347

Roundtrip

just found

Select Alaska Airlines flight, departing Tue, Dec 23 from Boston to San Francisco, returning Tue, Dec 30, priced at $347 just found