$130 Cheap United flights Boston (BOS) to San Francisco (SFO)

$130 Cheap United flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $130 for one-way flights and $228 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 29 - Sat, May 31

BOS

Boston

SFO

San Francisco

$228 Roundtrip, found 11 hours ago

$228

Roundtrip

found 11 hours ago

Select United flight, departing Thu, May 29 from Boston to San Francisco, returning Sat, May 31, priced at $228 found 11 hours ago

Thu, May 29 - Sat, May 31

BOS

Boston

SFO

San Francisco

$254 Roundtrip, found 11 hours ago

$254

Roundtrip

found 11 hours ago

Select United flight, departing Thu, May 29 from Boston to San Francisco, returning Sat, May 31, priced at $254 found 11 hours ago

Thu, May 29 - Sat, May 31

BOS

Boston

SFO

San Francisco

$258 Roundtrip, found 11 hours ago

$258

Roundtrip

found 11 hours ago

Select United flight, departing Thu, May 29 from Boston to San Francisco, returning Sat, May 31, priced at $258 found 11 hours ago

Thu, May 29 - Sat, May 31

BOS

Boston

SFO

San Francisco

$284 Roundtrip, found 11 hours ago

$284

Roundtrip

found 11 hours ago

Select United flight, departing Thu, May 29 from Boston to San Francisco, returning Sat, May 31, priced at $284 found 11 hours ago