$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 $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 6 - Thu, Oct 16

SFO

San Francisco

BOS

Boston

$279 Roundtrip, found 1 day ago

$279

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Mon, Oct 6 from San Francisco to Boston, returning Thu, Oct 16, priced at $279 found 1 day ago

Tue, Oct 7 - Tue, Oct 14

SFO

San Francisco

BOS

Boston

$357 Roundtrip, found 1 day ago

$357

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco to Boston, returning Tue, Oct 14, priced at $357 found 1 day ago