Cheapest one-way flights from Philadelphia to San Juan in October from 83€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to San Juan (SJU) in October 2025 (see full year).

One-Way flights

06 Oct Frontier Airlines
19 Oct Southwest Airlines
04 Oct Southwest Airlines
02 Oct Southwest Airlines
03 Oct Southwest Airlines
06 Oct Frontier Airlines direct
15 Oct Frontier Airlines direct
27 Oct Frontier Airlines direct
01 Oct Frontier Airlines direct
05 Oct Frontier Airlines direct

Also check the deals for return flights from Philadelphia to San Juan in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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