Flights to Puerto Rico Island from Philadelphia - ￥46,490

View ￥46,490 flight on Fri, Nov 14, 2025Opens in a new window

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Cheap Flights from Philadelphia to Puerto Rico Island (ILG-SJU)

Prices were available within the past 7 days and start at ￥46,490 for one-way flights and ￥31,480 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Aug 31 - Thu, Sep 11
PHL
Philadelphia
SJU
San Juan
￥31,480 Roundtrip, found 4 days ago
￥31,480
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Aug 31 from Philadelphia to San Juan, returning Thu, Sep 11, priced at ￥31,480 found 4 days ago
Frontier Airlines
Thu, Nov 20 - Fri, Dec 5
PHL
Philadelphia
SJU
San Juan
￥34,820 Roundtrip, found 20 hours ago
￥34,820
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Thu, Nov 20 from Philadelphia to San Juan, returning Fri, Dec 5, priced at ￥34,820 found 20 hours ago
Frontier Airlines
Sat, Nov 1 - Sun, Nov 16
PHL
Philadelphia
SJU
San Juan
￥36,920 Roundtrip, found 20 hours ago
￥36,920
Roundtrip
found 20 hours ago
Select Frontier Airlines flight, departing Sat, Nov 1 from Philadelphia to San Juan, returning Sun, Nov 16, priced at ￥36,920 found 20 hours ago
American Airlines
Mon, Nov 17 - Tue, Nov 18
PHL
Philadelphia
SJU
San Juan
￥36,940 Roundtrip, found 4 days ago
￥36,940
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Nov 17 from Philadelphia to San Juan, returning Tue, Nov 18, priced at ￥36,940 found 4 days ago
JetBlue Airways
Thu, Nov 13 - Wed, Nov 19
PHL
Philadelphia
SJU
San Juan
￥39,080 Roundtrip, found 4 days ago
￥39,080
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Thu, Nov 13 from Philadelphia to San Juan, returning Wed, Nov 19, priced at ￥39,080 found 4 days ago
United
Mon, Aug 25 - Thu, Sep 11
PHL
Philadelphia
SJU
San Juan
￥43,480 Roundtrip, found 4 days ago
￥43,480
Roundtrip
found 4 days ago
Select United flight, departing Mon, Aug 25 from Philadelphia to San Juan, returning Thu, Sep 11, priced at ￥43,480 found 4 days ago

Find the cheapest month to fly from Philadelphia (PHL) to San Juan (SJU)

February is typically the cheapest month to fly

From ￥17,481 - ￥68,568 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.