$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 $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Nov 8 - Sat, Nov 15

BOS

Boston

SFO

San Francisco

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Sat, Nov 8 from Boston to San Francisco, returning Sat, Nov 15, priced at $237 found 13 hours ago

Sat, Nov 8 - Wed, Nov 12

BOS

Boston

SFO

San Francisco

$247 Roundtrip, found 16 hours ago

$247

Roundtrip

found 16 hours ago

Select Alaska Airlines flight, departing Sat, Nov 8 from Boston to San Francisco, returning Wed, Nov 12, priced at $247 found 16 hours ago

Thu, Nov 6 - Thu, Nov 13

BOS

Boston

SFO

San Francisco

$279 Roundtrip, found 16 hours ago

$279

Roundtrip

found 16 hours ago

Select Alaska Airlines flight, departing Thu, Nov 6 from Boston to San Francisco, returning Thu, Nov 13, priced at $279 found 16 hours ago

Sat, Nov 8 - Sat, Nov 15

BOS

Boston

SFO

San Francisco

$290 Roundtrip, found 13 hours ago

$290

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Sat, Nov 8 from Boston to San Francisco, returning Sat, Nov 15, priced at $290 found 13 hours ago