Cheapest return flights from Philadelphia (PHL) to San Juan (SJU), October

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
05 Oct 09 Oct Frontier Airlines
Direct Flight
12 Oct 16 Oct Frontier Airlines
Direct Flight
23 Oct 30 Oct Frontier Airlines
Direct Flight
20 Oct 29 Oct Frontier Airlines
21 Oct 25 Oct Frontier Airlines
08 Oct 19 Oct Frontier Airlines
01 Oct 08 Oct Allegiant Air
08 Oct 11 Oct Frontier Airlines
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deals for one-way flights from Philadelphia to San Juan in October.

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Updated May 23, 2026.

About these fares

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