$104 Cheap United flights San Francisco (SFO) to Boston (BOS)

$104 Cheap United flights San Francisco (SFO) to Boston (BOS)

Prices were available within the past 7 days and start at $104 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 28 - Sun, Feb 1

SFO

San Francisco

BOS

Boston

$227 Roundtrip, found 3 days ago

$227

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $227 found 3 days ago

Wed, Jan 28 - Sun, Feb 1

SFO

San Francisco

BOS

Boston

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $237 found 3 days ago

Wed, Jan 28 - Sun, Feb 1

SFO

San Francisco

BOS

Boston

$257 Roundtrip, found 3 days ago

$257

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $257 found 3 days ago

Wed, Jan 28 - Sun, Feb 1

SFO

San Francisco

BOS

Boston

$277 Roundtrip, found 3 days ago

$277

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $277 found 3 days ago

Fri, May 8 - Tue, May 12

SFO

San Francisco

BOS

Boston

$283 Roundtrip, found 1 day ago

$283

Roundtrip

found 1 day ago

Select United flight, departing Fri, May 8 from San Francisco to Boston, returning Tue, May 12, priced at $283 found 1 day ago

Wed, Jan 28 - Sun, Feb 1

SFO

San Francisco

BOS

Boston

$286 Roundtrip, found 3 days ago

$286

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jan 28 from San Francisco to Boston, returning Sun, Feb 1, priced at $286 found 3 days ago