Flights from Boston to San Gregorio

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, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$164 Roundtrip, found 1 day ago

$164

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $164 found 1 day ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$209 Roundtrip, found 1 day ago

$209

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $209 found 1 day ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$218 Roundtrip, found 1 day ago

$218

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $218 found 1 day ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$223 Roundtrip, found 1 day ago

$223

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $223 found 1 day ago

Sat, Sep 6 - Sat, Sep 13

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 13 hours ago

$237

Roundtrip

found 13 hours ago

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

Wed, Sep 3 - Sat, Sep 13

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Wed, Sep 3 from Logan Intl. to San Francisco Intl., returning Sat, Sep 13, priced at $237 found 1 day ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $237 found 2 days ago

Tue, Sep 2 - Sat, Sep 13

BOS

Logan Intl.

SFO

San Francisco Intl.

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 2 from Logan Intl. to San Francisco Intl., returning Sat, Sep 13, priced at $237 found 1 day ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$244 Roundtrip, found 1 day ago

$244

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $244 found 1 day ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$246 Roundtrip, found 1 day ago

$246

Roundtrip

found 1 day ago

Select American Airlines flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $246 found 1 day ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 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 2 days ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$247 Roundtrip, found 2 days ago

$247

Roundtrip

found 2 days ago

Select United flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $247 found 2 days ago

Sat, Sep 6 - Fri, Sep 12

BOS

Logan Intl.

SFO

San Francisco Intl.

$248 Roundtrip, found 13 hours ago

$248

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Fri, Sep 12, priced at $248 found 13 hours ago

Fri, Sep 12 - Fri, Sep 12

BOS

Logan Intl.

SFO

San Francisco Intl.

$254 Roundtrip, found 13 hours ago

$254

Roundtrip

found 13 hours ago

Select JetBlue Airways flight, departing Fri, Sep 12 from Logan Intl. to San Francisco Intl., returning Fri, Sep 12, priced at $254 found 13 hours ago

Tue, Nov 4 - Thu, Nov 6

BOS

Logan Intl.

SJC

Norman Y. Mineta San Jose Intl.

$255 Roundtrip, found 1 day ago

$255

Roundtrip

found 1 day ago

Select United flight, departing Tue, Nov 4 from Logan Intl. to Norman Y. Mineta San Jose Intl., returning Thu, Nov 6, priced at $255 found 1 day ago

Sat, Sep 6 - Wed, Sep 17

BOS

Logan Intl.

SFO

San Francisco Intl.

$257 Roundtrip, found 2 days ago

$257

Roundtrip

found 2 days ago

Select American Airlines flight, departing Sat, Sep 6 from Logan Intl. to San Francisco Intl., returning Wed, Sep 17, priced at $257 found 2 days ago

Wed, Oct 22 - Sun, Nov 9

BOS

Logan Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 4 days ago

$258

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Wed, Oct 22 from Logan Intl. to San Francisco Intl., returning Sun, Nov 9, priced at $258 found 4 days ago

Tue, Oct 21 - Fri, Nov 7

BOS

Logan Intl.

SFO

San Francisco Intl.

$258 Roundtrip, found 4 days ago

$258

Roundtrip

found 4 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 21 from Logan Intl. to San Francisco Intl., returning Fri, Nov 7, priced at $258 found 4 days ago

Sat, Sep 6 - Fri, Sep 26

BOS

Logan Intl.

OAK

Oakland Intl.

$268 Roundtrip, found 20 hours ago

$268

Roundtrip

found 20 hours ago

Select Hawaiian Airlines flight, departing Sat, Sep 6 from Logan Intl. to Oakland Intl., returning Fri, Sep 26, priced at $268 found 20 hours ago

Tue, Aug 5 - Sun, Aug 10

BOS

Logan Intl.

SFO

San Francisco Intl.

$558 Roundtrip, found 1 hour ago

$558

Roundtrip

found 1 hour ago

Select Sun Country Airlines flight, departing Tue, Aug 5 from Logan Intl. to San Francisco Intl., returning Sun, Aug 10, priced at $558 found 1 hour ago