Flights from Boston to Half Moon Bay

Cheapest flights from Boston

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, Aug 26 - Sat, Sep 6

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 15 hours ago

$237

Roundtrip

found 15 hours ago

Select Alaska Airlines flight, departing Tue, Aug 26 from Logan Intl. to San Francisco Intl., returning Sat, Sep 6, priced at $237 found 15 hours ago

Sat, Sep 6 - Sat, Sep 13

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Sat, Sep 13, priced at $237 found 3 days ago

Tue, Sep 16 - Sat, Sep 27

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 15 hours ago

$237

Roundtrip

found 15 hours ago

Select Delta flight, departing Tue, Sep 16 from Logan Intl. to San Francisco Intl., returning Sat, Sep 27, priced at $237 found 15 hours ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $247 found 6 days ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select United flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $247 found 6 days ago

Thu, Aug 21 - Wed, Sep 3

BOS

Logan Intl.

SFO

San Francisco Intl.

$248 Roundtrip, found 15 hours ago

$248

Roundtrip

found 15 hours ago

Select Hawaiian Airlines flight, departing Thu, Aug 21 from Logan Intl. to San Francisco Intl., returning Wed, Sep 3, priced at $248 found 15 hours ago

Tue, Nov 4 - Wed, Nov 5

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$250 Roundtrip, found 15 hours ago

$250

Roundtrip

found 15 hours ago

Select Hawaiian Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Wed, Nov 5, priced at $250 found 15 hours ago

Wed, Sep 10 - Mon, Sep 22

BOS

Logan Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 2 days ago

$258

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Sep 10 from Logan Intl. to San Francisco Intl., returning Mon, Sep 22, priced at $258 found 2 days ago

Sat, Sep 20 - Sun, Oct 5

BOS

Logan Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 15 hours ago

$258

Roundtrip

found 15 hours ago

Select Alaska Airlines flight, departing Sat, Sep 20 from Logan Intl. to San Francisco Intl., returning Sun, Oct 5, priced at $258 found 15 hours ago

Mon, Sep 8 - Mon, Sep 15

BOS

Logan Intl.

SFO

San Francisco Intl.

$259 Roundtrip, found 5 days ago

$259

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Mon, Sep 8 from Logan Intl. to San Francisco Intl., returning Mon, Sep 15, priced at $259 found 5 days ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$262 Roundtrip, found 6 days ago

$262

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $262 found 6 days ago

Wed, Nov 5 - Mon, Nov 10

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$263 Roundtrip, found 15 hours ago

$263

Roundtrip

found 15 hours ago

Select Hawaiian Airlines flight, departing Wed, Nov 5 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Mon, Nov 10, priced at $263 found 15 hours ago

Mon, Aug 25 - Tue, Sep 2

PVD

T.F. Green

SFO

San Francisco Intl.

$264 Roundtrip, found 1 day ago

$264

Roundtrip

found 1 day ago

Select American Airlines flight, departing Mon, Aug 25 from T.F. Green to San Francisco Intl., returning Tue, Sep 2, priced at $264 found 1 day ago

Tue, Sep 16 - Thu, Oct 2

BOS

Logan Intl.

SFO

San Francisco Intl.

$266 Roundtrip, found 15 hours ago

$266

Roundtrip

found 15 hours ago

Select JetBlue Airways flight, departing Tue, Sep 16 from Logan Intl. to San Francisco Intl., returning Thu, Oct 2, priced at $266 found 15 hours ago

Mon, Sep 8 - Tue, Sep 23

BOS

Logan Intl.

SFO

San Francisco Intl.

$267 Roundtrip, found 15 hours ago

$267

Roundtrip

found 15 hours ago

Select Hawaiian Airlines flight, departing Mon, Sep 8 from Logan Intl. to San Francisco Intl., returning Tue, Sep 23, priced at $267 found 15 hours ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$268 Roundtrip, found 6 days ago

$268

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $268 found 6 days ago

Fri, Sep 19 - Sun, Oct 5

BOS

Logan Intl.

SFO

San Francisco Intl.

$269 Roundtrip, found 15 hours ago

$269

Roundtrip

found 15 hours ago

Select Alaska Airlines flight, departing Fri, Sep 19 from Logan Intl. to San Francisco Intl., returning Sun, Oct 5, priced at $269 found 15 hours ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$272 Roundtrip, found 6 days ago

$272

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $272 found 6 days ago

Wed, Sep 10 - Mon, Sep 22

BOS

Logan Intl.

SFO

San Francisco Intl.

$273 Roundtrip, found 2 days ago

$273

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Wed, Sep 10 from Logan Intl. to San Francisco Intl., returning Mon, Sep 22, priced at $273 found 2 days ago

Wed, Aug 6 - Thu, Aug 7

BOS

Logan Intl.

SFO

San Francisco Intl.

$648 Roundtrip, found 19 hours ago

$648

Roundtrip

found 19 hours ago

Select Sun Country Airlines flight, departing Wed, Aug 6 from Logan Intl. to San Francisco Intl., returning Thu, Aug 7, priced at $648 found 19 hours ago