$169 Cheap United flights San Francisco (SFO) to Boston (BOS)

$169 Cheap United flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $169 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 26 - Sat, Aug 29

SFO

San Francisco

BOS

Boston

$336 Roundtrip, found 5 days ago

$336

Roundtrip

found 5 days ago

Select United flight, departing Wed, Aug 26 from San Francisco to Boston, returning Sat, Aug 29, priced at $336 found 5 days ago

Sun, Jul 12 - Thu, Jul 16

SFO

San Francisco

BOS

Boston

$350 Roundtrip, found 6 days ago

$350

Roundtrip

found 6 days ago

Select United flight, departing Sun, Jul 12 from San Francisco to Boston, returning Thu, Jul 16, priced at $350 found 6 days ago

Thu, Jul 9 - Fri, Jul 10

SFO

San Francisco

BOS

Boston

$380 Roundtrip, found 1 day ago

$380

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 9 from San Francisco to Boston, returning Fri, Jul 10, priced at $380 found 1 day ago

Thu, Jul 9 - Fri, Jul 10

SFO

San Francisco

BOS

Boston

$390 Roundtrip, found 1 day ago

$390

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 9 from San Francisco to Boston, returning Fri, Jul 10, priced at $390 found 1 day ago

Thu, Jul 9 - Fri, Jul 10

SFO

San Francisco

BOS

Boston

$395 Roundtrip, found 1 day ago

$395

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 9 from San Francisco to Boston, returning Fri, Jul 10, priced at $395 found 1 day ago

Thu, Jul 9 - Fri, Jul 10

SFO

San Francisco

BOS

Boston

$405 Roundtrip, found 1 day ago

$405

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jul 9 from San Francisco to Boston, returning Fri, Jul 10, priced at $405 found 1 day ago