Flights from Philadelphia to Penuelas

Cheapest flights from Philadelphia

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.

Mon, Aug 18 - Thu, Aug 28

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Aug 18 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Thu, Aug 28, priced at $236 found 1 day ago

Tue, Aug 19 - Thu, Aug 28

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Aug 19 from Mercer to Luis Munoz Marin Intl., returning Thu, Aug 28, priced at $238 found 1 day ago

Tue, Aug 19 - Fri, Aug 29

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$240 Roundtrip, found 1 day ago

$240

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Aug 19 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Fri, Aug 29, priced at $240 found 1 day ago

Tue, Aug 5 - Wed, Aug 6

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$243 Roundtrip, found 3 days ago

$243

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Mercer to Luis Munoz Marin Intl., returning Wed, Aug 6, priced at $243 found 3 days ago

Mon, Aug 4 - Fri, Aug 8

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$248 Roundtrip, found 3 days ago

$248

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Mercer to Luis Munoz Marin Intl., returning Fri, Aug 8, priced at $248 found 3 days ago

Mon, Aug 18 - Fri, Aug 22

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$249 Roundtrip, found 4 days ago

$249

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Mon, Aug 18 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Fri, Aug 22, priced at $249 found 4 days ago

Sun, Aug 17 - Fri, Aug 22

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$254 Roundtrip, found 4 days ago

$254

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sun, Aug 17 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Fri, Aug 22, priced at $254 found 4 days ago

Thu, Jul 31 - Fri, Aug 8

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$268 Roundtrip, found 3 days ago

$268

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Mercer to Luis Munoz Marin Intl., returning Fri, Aug 8, priced at $268 found 3 days ago

Sat, Aug 2 - Sun, Aug 3

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$273 Roundtrip, found 3 days ago

$273

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Aug 2 from Mercer to Luis Munoz Marin Intl., returning Sun, Aug 3, priced at $273 found 3 days ago

Mon, Aug 18 - Sat, Aug 23

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$273 Roundtrip, found 1 day ago

$273

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Aug 18 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sat, Aug 23, priced at $273 found 1 day ago

Tue, Aug 19 - Sat, Aug 23

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$278 Roundtrip, found 1 day ago

$278

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Tue, Aug 19 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sat, Aug 23, priced at $278 found 1 day ago

Mon, Aug 4 - Sat, Aug 9

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$278 Roundtrip, found 3 days ago

$278

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sat, Aug 9, priced at $278 found 3 days ago

Mon, Aug 4 - Tue, Aug 5

TTN

Mercer

SJU

Luis Munoz Marin Intl.

$283 Roundtrip, found 3 days ago

$283

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Mercer to Luis Munoz Marin Intl., returning Tue, Aug 5, priced at $283 found 3 days ago

Thu, Jul 31 - Sat, Aug 9

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$286 Roundtrip, found 3 days ago

$286

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Jul 31 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sat, Aug 9, priced at $286 found 3 days ago

Sat, Aug 16 - Fri, Aug 22

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$287 Roundtrip, found 4 days ago

$287

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Sat, Aug 16 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Fri, Aug 22, priced at $287 found 4 days ago

Thu, Jul 31 - Sun, Aug 3

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$288 Roundtrip, found 3 days ago

$288

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sun, Aug 3, priced at $288 found 3 days ago

Tue, Aug 19 - Wed, Aug 27

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$301 Roundtrip, found 1 day ago

$301

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Tue, Aug 19 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Wed, Aug 27, priced at $301 found 1 day ago

Wed, Nov 19 - Mon, Dec 1

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$396 Roundtrip, found 22 hours ago

$396

Roundtrip

found 22 hours ago

Select American Airlines flight, departing Wed, Nov 19 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Mon, Dec 1, priced at $396 found 22 hours ago

Thu, Dec 25 - Tue, Dec 30

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$505 Roundtrip, found 22 hours ago

$505

Roundtrip

found 22 hours ago

Select Delta flight, departing Thu, Dec 25 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Tue, Dec 30, priced at $505 found 22 hours ago

Thu, Jan 8 - Sun, Jan 18

PHL

Philadelphia Intl.

SJU

Luis Munoz Marin Intl.

$542 Roundtrip, found 3 days ago

$542

Roundtrip

found 3 days ago

Select United flight, departing Thu, Jan 8 from Philadelphia Intl. to Luis Munoz Marin Intl., returning Sun, Jan 18, priced at $542 found 3 days ago