Cheapest one-way flights from Philadelphia to San Juan in October from 81€

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

One-Way flights

30 Oct Frontier Airlines
18 Oct Frontier Airlines
23 Oct Frontier Airlines
16 Oct Frontier Airlines
30 Oct Frontier Airlines direct
23 Oct Spirit Airlines direct
16 Oct Spirit Airlines direct
29 Oct Frontier Airlines
14 Oct Frontier Airlines
15 Oct Frontier Airlines

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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