Flights from Boston to San Juan

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.

Sat, Sep 13 - Fri, Sep 19

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Sep 13 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Sep 19, priced at $217 found 3 days ago

Sun, Sep 14 - Thu, Oct 2

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$228 Roundtrip, found 3 days ago

$228

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Sep 14 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Oct 2, priced at $228 found 3 days ago

Fri, Sep 12 - Thu, Oct 2

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$230 Roundtrip, found 3 days ago

$230

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Sep 12 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Oct 2, priced at $230 found 3 days ago

Sat, Sep 27 - Thu, Oct 16

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$231 Roundtrip, found 3 days ago

$231

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Sep 27 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Oct 16, priced at $231 found 3 days ago

Fri, Aug 15 - Fri, Aug 22

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$232 Roundtrip, found 19 hours ago

$232

Roundtrip

found 19 hours ago

Select JetBlue Airways flight, departing Fri, Aug 15 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Aug 22, priced at $232 found 19 hours ago

Sun, Aug 24 - Thu, Sep 11

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$233 Roundtrip, found 3 days ago

$233

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Aug 24 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Sep 11, priced at $233 found 3 days ago

Sat, Aug 23 - Thu, Sep 11

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$235 Roundtrip, found 3 days ago

$235

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Aug 23 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Sep 11, priced at $235 found 3 days ago

Sat, Sep 6 - Thu, Sep 25

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$236 Roundtrip, found 3 days ago

$236

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Sep 6 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Sep 25, priced at $236 found 3 days ago

Wed, Aug 13 - Thu, Aug 14

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$241 Roundtrip, found 3 days ago

$241

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Wed, Aug 13 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Aug 14, priced at $241 found 3 days ago

Mon, Sep 15 - Sat, Sep 27

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$244 Roundtrip, found 3 days ago

$244

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Sep 15 from Logan Intl. to Luis Munoz Marin Intl., returning Sat, Sep 27, priced at $244 found 3 days ago

Fri, Aug 15 - Fri, Aug 22

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$245 Roundtrip, found 19 hours ago

$245

Roundtrip

found 19 hours ago

Select Spirit Airlines flight, departing Fri, Aug 15 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Aug 22, priced at $245 found 19 hours ago

Tue, Aug 12 - Thu, Aug 14

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$246 Roundtrip, found 3 days ago

$246

Roundtrip

found 3 days ago

Select JetBlue Airways flight, departing Tue, Aug 12 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Aug 14, priced at $246 found 3 days ago

Sat, Sep 20 - Sun, Oct 5

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$251 Roundtrip, found 3 days ago

$251

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Sep 20 from Logan Intl. to Luis Munoz Marin Intl., returning Sun, Oct 5, priced at $251 found 3 days ago

Wed, Sep 3 - Fri, Sep 19

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$254 Roundtrip, found 3 days ago

$254

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Wed, Sep 3 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Sep 19, priced at $254 found 3 days ago

Sat, Sep 13 - Thu, Oct 2

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$255 Roundtrip, found 3 days ago

$255

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sat, Sep 13 from Logan Intl. to Luis Munoz Marin Intl., returning Thu, Oct 2, priced at $255 found 3 days ago

Sun, Aug 10 - Sat, Aug 16

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$257 Roundtrip, found 4 days ago

$257

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, Aug 10 from Logan Intl. to Luis Munoz Marin Intl., returning Sat, Aug 16, priced at $257 found 4 days ago

Fri, Aug 15 - Fri, Aug 15

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$269 Roundtrip, found 3 days ago

$269

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Aug 15 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Aug 15, priced at $269 found 3 days ago

Fri, Sep 5 - Tue, Sep 23

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$319 Roundtrip, found 3 days ago

$319

Roundtrip

found 3 days ago

Select American Airlines flight, departing Fri, Sep 5 from Logan Intl. to Luis Munoz Marin Intl., returning Tue, Sep 23, priced at $319 found 3 days ago

Sat, Sep 13 - Fri, Sep 19

BOS

Logan Intl.

SJU

Luis Munoz Marin Intl.

$356 Roundtrip, found 3 days ago

$356

Roundtrip

found 3 days ago

Select United flight, departing Sat, Sep 13 from Logan Intl. to Luis Munoz Marin Intl., returning Fri, Sep 19, priced at $356 found 3 days ago

Sun, Aug 3 - Thu, Aug 7

PVD

T.F. Green

SJU

Luis Munoz Marin Intl.

$379 Roundtrip, found 1 day ago

$379

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Sun, Aug 3 from T.F. Green to Luis Munoz Marin Intl., returning Thu, Aug 7, priced at $379 found 1 day ago