Cheapest one-way flights from Philadelphia to San Juan in April from $50

Best time to book flights for Philadelphia (PHL) to San Juan (SJU) flights at AirHint

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

One-Way flights

01 Apr Frontier Airlines
07 Apr Frontier Airlines
06 Apr Frontier Airlines direct
24 Apr Frontier Airlines
01 Apr Frontier Airlines direct
07 Apr Frontier Airlines direct
29 Apr Frontier Airlines
08 Apr Frontier Airlines
27 Apr Frontier Airlines direct
29 Apr Frontier Airlines direct

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

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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