Cheap flights from San Francisco to Cambridge

View AU$181 flight on Sun, 31 Aug. 2025Opens in a new window

Popular airlines from San Francisco to Cambridge

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 18 Aug. - Mon, 25 Aug.
SFO
San Francisco
BOS
Boston
AU$364 Return, found 5 days ago
AU$364
Return
found 5 days ago
Select Delta flight, departing Mon, 18 Aug. from San Francisco to Boston, returning Mon, 25 Aug., priced at AU$364 found 5 days ago
Delta
Wed, 24 Sep. - Wed, 8 Oct.
SFO
San Francisco
BOS
Boston
AU$365 Return, found 4 days ago
AU$365
Return
found 4 days ago
Select Delta flight, departing Wed, 24 Sep. from San Francisco to Boston, returning Wed, 8 Oct., priced at AU$365 found 4 days ago
Alaska Airlines
Sat, 6 Sep. - Sat, 13 Sep.
SFO
San Francisco
BOS
Boston
AU$365 Return, found 1 hour ago
AU$365
Return
found 1 hour ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from San Francisco to Boston, returning Sat, 13 Sep., priced at AU$365 found 1 hour ago
American Airlines
Wed, 24 Sep. - Wed, 8 Oct.
SFO
San Francisco
BOS
Boston
AU$394 Return, found 4 days ago
AU$394
Return
found 4 days ago
Select American Airlines flight, departing Wed, 24 Sep. from San Francisco to Boston, returning Wed, 8 Oct., priced at AU$394 found 4 days ago
Hawaiian Airlines
Tue, 4 Nov. - Sun, 16 Nov.
SFO
San Francisco
BOS
Boston
AU$399 Return, found 2 days ago
AU$399
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, 4 Nov. from San Francisco to Boston, returning Sun, 16 Nov., priced at AU$399 found 2 days ago
United
Sat, 6 Sep. - Sat, 13 Sep.
SFO
San Francisco
BOS
Boston
AU$520 Return, found 1 hour ago
AU$520
Return
found 1 hour ago
Select United flight, departing Sat, 6 Sep. from San Francisco to Boston, returning Sat, 13 Sep., priced at AU$520 found 1 hour ago

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

October is typically the cheapest month to fly

From AU$242 - AU$433 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.