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

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

Prices were available within the past 7 days and start at $144 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Sep 1 - Sun, Sep 6

BOS

Boston

SFO

San Francisco

$317 Roundtrip, found 9 hours ago

$317

Roundtrip

found 9 hours ago

Select Alaska Airlines flight, departing Tue, Sep 1 from Boston to San Francisco, returning Sun, Sep 6, priced at $317 found 9 hours ago

Tue, Sep 1 - Wed, Sep 9

BOS

Boston

SFO

San Francisco

$330 Roundtrip, found 9 hours ago

$330

Roundtrip

found 9 hours ago

Select Alaska Airlines flight, departing Tue, Sep 1 from Boston to San Francisco, returning Wed, Sep 9, priced at $330 found 9 hours ago

Tue, Sep 8 - Tue, Sep 15

BOS

Boston

SFO

San Francisco

$340 Roundtrip, found 3 days ago

$340

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Tue, Sep 8 from Boston to San Francisco, returning Tue, Sep 15, priced at $340 found 3 days ago

Thu, Aug 27 - Sun, Sep 6

BOS

Boston

SFO

San Francisco

$347 Roundtrip, found 9 hours ago

$347

Roundtrip

found 9 hours ago

Select Alaska Airlines flight, departing Thu, Aug 27 from Boston to San Francisco, returning Sun, Sep 6, priced at $347 found 9 hours ago

Thu, Aug 27 - Wed, Sep 9

BOS

Boston

SFO

San Francisco

$360 Roundtrip, found 9 hours ago

$360

Roundtrip

found 9 hours ago

Select Alaska Airlines flight, departing Thu, Aug 27 from Boston to San Francisco, returning Wed, Sep 9, priced at $360 found 9 hours ago