Flights from San Francisco to Boston

Cheapest flights from San Francisco

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 7 - Wed, Oct 15

SFO

San Francisco Intl.

BOS

Logan Intl.

$169 Roundtrip, found 2 days ago

$169

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco Intl. to Logan Intl., returning Wed, Oct 15, priced at $169 found 2 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$169 Roundtrip, found 1 day ago

$169

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $169 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $179 found 1 day ago

Tue, Oct 7 - Fri, Oct 10

SFO

San Francisco Intl.

BOS

Logan Intl.

$183 Roundtrip, found 2 days ago

$183

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco Intl. to Logan Intl., returning Fri, Oct 10, priced at $183 found 2 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$189 Roundtrip, found 1 day ago

$189

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $189 found 1 day ago

Sat, Oct 4 - Tue, Oct 14

SFO

San Francisco Intl.

BOS

Logan Intl.

$197 Roundtrip, found 2 days ago

$197

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Oct 4 from San Francisco Intl. to Logan Intl., returning Tue, Oct 14, priced at $197 found 2 days ago

Wed, Oct 8 - Wed, Oct 15

SFO

San Francisco Intl.

BOS

Logan Intl.

$203 Roundtrip, found 2 days ago

$203

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Oct 8 from San Francisco Intl. to Logan Intl., returning Wed, Oct 15, priced at $203 found 2 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$213 Roundtrip, found 1 day ago

$213

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $213 found 1 day ago

Tue, Oct 7 - Thu, Oct 9

SFO

San Francisco Intl.

BOS

Logan Intl.

$214 Roundtrip, found 2 days ago

$214

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Tue, Oct 7 from San Francisco Intl. to Logan Intl., returning Thu, Oct 9, priced at $214 found 2 days ago

Wed, Oct 8 - Fri, Oct 10

SFO

San Francisco Intl.

BOS

Logan Intl.

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Oct 8 from San Francisco Intl. to Logan Intl., returning Fri, Oct 10, priced at $217 found 2 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$219 Roundtrip, found 1 day ago

$219

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $219 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$224 Roundtrip, found 1 day ago

$224

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $224 found 1 day ago

Sun, Oct 5 - Wed, Oct 15

SFO

San Francisco Intl.

BOS

Logan Intl.

$224 Roundtrip, found 2 days ago

$224

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Sun, Oct 5 from San Francisco Intl. to Logan Intl., returning Wed, Oct 15, priced at $224 found 2 days ago

Mon, Oct 6 - Fri, Oct 10

SFO

San Francisco Intl.

BOS

Logan Intl.

$228 Roundtrip, found 2 days ago

$228

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Mon, Oct 6 from San Francisco Intl. to Logan Intl., returning Fri, Oct 10, priced at $228 found 2 days ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$233 Roundtrip, found 1 day ago

$233

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $233 found 1 day ago

Mon, Aug 18 - Tue, Aug 26

SFO

San Francisco Intl.

BOS

Logan Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 18 from San Francisco Intl. to Logan Intl., returning Tue, Aug 26, priced at $234 found 1 day ago

Wed, Oct 8 - Tue, Oct 14

SFO

San Francisco Intl.

BOS

Logan Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Wed, Oct 8 from San Francisco Intl. to Logan Intl., returning Tue, Oct 14, priced at $237 found 2 days ago

Sat, Oct 4 - Fri, Oct 10

SFO

San Francisco Intl.

BOS

Logan Intl.

$238 Roundtrip, found 2 days ago

$238

Roundtrip

found 2 days ago

Select Hawaiian Airlines flight, departing Sat, Oct 4 from San Francisco Intl. to Logan Intl., returning Fri, Oct 10, priced at $238 found 2 days ago

Tue, Sep 9 - Sat, Sep 13

SFO

San Francisco Intl.

PVD

T.F. Green

$277 Roundtrip, found 3 days ago

$277

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Sep 9 from San Francisco Intl. to T.F. Green, returning Sat, Sep 13, priced at $277 found 3 days ago

Sat, Sep 13 - Fri, Sep 19

OAK

Oakland Intl.

PVD

T.F. Green

$307 Roundtrip, found 3 days ago

$307

Roundtrip

found 3 days ago

Select Delta flight, departing Sat, Sep 13 from Oakland Intl. to T.F. Green, returning Fri, Sep 19, priced at $307 found 3 days ago