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

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

Prices were available within the past 7 days and start at $99 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Dec 13 - Tue, Jan 6

SFO

San Francisco

BOS

Boston

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Dec 13 from San Francisco to Boston, returning Tue, Jan 6, priced at $217 found 1 day ago

Sat, Dec 13 - Mon, Jan 5

SFO

San Francisco

BOS

Boston

$248 Roundtrip, found 1 day ago

$248

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Dec 13 from San Francisco to Boston, returning Mon, Jan 5, priced at $248 found 1 day ago

Tue, Dec 16 - Mon, Jan 5

SFO

San Francisco

BOS

Boston

$282 Roundtrip, found 1 day ago

$282

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Dec 16 from San Francisco to Boston, returning Mon, Jan 5, priced at $282 found 1 day ago

Tue, Dec 16 - Mon, Jan 5

SFO

San Francisco

BOS

Boston

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Dec 16 from San Francisco to Boston, returning Mon, Jan 5, priced at $287 found 1 day ago