$119 Cheap United flights San Francisco (SFO) to Boston (BOS)

$119 Cheap United flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $119 for one-way flights and $295 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Fri, Sep 5

SFO

San Francisco

BOS

Boston

$295 Roundtrip, found 4 days ago

$295

Roundtrip

found 4 days ago

Select United flight, departing Thu, Sep 4 from San Francisco to Boston, returning Fri, Sep 5, priced at $295 found 4 days ago

Wed, Sep 17 - Sun, Sep 21

SFO

San Francisco

BOS

Boston

$296 Roundtrip, found 3 days ago

$296

Roundtrip

found 3 days ago

Select United flight, departing Wed, Sep 17 from San Francisco to Boston, returning Sun, Sep 21, priced at $296 found 3 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco

BOS

Boston

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select United flight, departing Mon, Aug 18 from San Francisco to Boston, returning Tue, Aug 26, priced at $317 found 3 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco

BOS

Boston

$344 Roundtrip, found 3 days ago

$344

Roundtrip

found 3 days ago

Select United flight, departing Mon, Aug 18 from San Francisco to Boston, returning Tue, Aug 26, priced at $344 found 3 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco

BOS

Boston

$344 Roundtrip, found 3 days ago

$344

Roundtrip

found 3 days ago

Select United flight, departing Mon, Aug 18 from San Francisco to Boston, returning Tue, Aug 26, priced at $344 found 3 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco

BOS

Boston

$346 Roundtrip, found 3 days ago

$346

Roundtrip

found 3 days ago

Select United flight, departing Mon, Aug 18 from San Francisco to Boston, returning Tue, Aug 26, priced at $346 found 3 days ago