United flights to San Francisco from Boston

United flights from Boston to San Francisco (BOS→SFO)

Prices were available within the past 7 days and start at S$216 for one-way flights and S$360 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, 23 Aug - Wed, 27 Aug

BOS

Boston

SFO

San Francisco

S$360 Return, found 5 days ago

S$360

Return

found 5 days ago

Select United flight, departing Sat, 23 Aug from Boston to San Francisco, returning Wed, 27 Aug, priced at S$360 found 5 days ago

Sat, 29 Nov - Wed, 3 Dec

BOS

Boston

SFO

San Francisco

S$382 Return, found 6 hours ago

S$382

Return

found 6 hours ago

Select United flight, departing Sat, 29 Nov from Boston to San Francisco, returning Wed, 3 Dec, priced at S$382 found 6 hours ago

Sat, 29 Nov - Wed, 3 Dec

BOS

Boston

SFO

San Francisco

S$394 Return, found 6 hours ago

S$394

Return

found 6 hours ago

Select United flight, departing Sat, 29 Nov from Boston to San Francisco, returning Wed, 3 Dec, priced at S$394 found 6 hours ago

Sat, 23 Aug - Wed, 27 Aug

BOS

Boston

SFO

San Francisco

S$402 Return, found 5 days ago

S$402

Return

found 5 days ago

Select United flight, departing Sat, 23 Aug from Boston to San Francisco, returning Wed, 27 Aug, priced at S$402 found 5 days ago

Sat, 23 Aug - Wed, 27 Aug

BOS

Boston

SFO

San Francisco

S$403 Return, found 5 days ago

S$403

Return

found 5 days ago

Select United flight, departing Sat, 23 Aug from Boston to San Francisco, returning Wed, 27 Aug, priced at S$403 found 5 days ago

Fri, 24 Oct - Thu, 30 Oct

BOS

Boston

SFO

San Francisco

S$422 Return, found 3 days ago

S$422

Return

found 3 days ago

Select United flight, departing Fri, 24 Oct from Boston to San Francisco, returning Thu, 30 Oct, priced at S$422 found 3 days ago