$146 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

$146 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $146 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Feb 25 - Sat, Feb 28

BOS

Boston

SFO

San Francisco

$304 Roundtrip, found 7 hours ago

$304

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Wed, Feb 25 from Boston to San Francisco, returning Sat, Feb 28, priced at $304 found 7 hours ago

Sun, Feb 1 - Thu, Feb 5

BOS

Boston

SFO

San Francisco

$312 Roundtrip, found 6 days ago

$312

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sun, Feb 1 from Boston to San Francisco, returning Thu, Feb 5, priced at $312 found 6 days ago

Sun, May 24 - Sat, Jun 6

BOS

Boston

SFO

San Francisco

$316 Roundtrip, found 20 hours ago

$316

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Sun, May 24 from Boston to San Francisco, returning Sat, Jun 6, priced at $316 found 20 hours ago