Flights to Cambridge from San Francisco

View ฿3,220 flight on Wed, 3 Sep 2025Opens in a new window

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Cheap Flights from San Francisco (SJC) to Cambridge (BOS)

Prices were available within the past 7 days and start at ฿3,220 for one-way flights and ฿7,615 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 6 Sep - Sat, 13 Sep
SFO
San Francisco
BOS
Boston
฿7,615 Return, found 6 hours ago
฿7,615
Return
found 6 hours ago
Select United flight, departing Sat, 6 Sep from San Francisco to Boston, returning Sat, 13 Sep, priced at ฿7,615 found 6 hours ago
Delta
Wed, 13 Aug - Wed, 20 Aug
SFO
San Francisco
BOS
Boston
฿7,740 Return, found 1 day ago
฿7,740
Return
found 1 day ago
Select Delta flight, departing Wed, 13 Aug from San Francisco to Boston, returning Wed, 20 Aug, priced at ฿7,740 found 1 day ago
American Airlines
Sat, 6 Sep - Sat, 13 Sep
SFO
San Francisco
BOS
Boston
฿7,935 Return, found 6 hours ago
฿7,935
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 6 Sep from San Francisco to Boston, returning Sat, 13 Sep, priced at ฿7,935 found 6 hours ago
Delta
Sun, 12 Oct - Tue, 21 Oct
SFO
San Francisco
BOS
Boston
฿8,070 Return, found 21 hours ago
฿8,070
Return
found 21 hours ago
Select Delta flight, departing Sun, 12 Oct from San Francisco to Boston, returning Tue, 21 Oct, priced at ฿8,070 found 21 hours ago
American Airlines
Sat, 6 Sep - Sat, 13 Sep
SFO
San Francisco
BOS
Boston
฿8,720 Return, found 6 hours ago
฿8,720
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 6 Sep from San Francisco to Boston, returning Sat, 13 Sep, priced at ฿8,720 found 6 hours ago
United
Sat, 6 Sep - Sat, 13 Sep
SFO
San Francisco
BOS
Boston
฿8,785 Return, found 6 hours ago
฿8,785
Return
found 6 hours ago
Select United flight, departing Sat, 6 Sep from San Francisco to Boston, returning Sat, 13 Sep, priced at ฿8,785 found 6 hours ago

Find the cheapest month to fly from San Francisco (SFO) to Boston (BOS)

October is typically the cheapest month to fly

From ฿5,147 - ฿9,180 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.