Cheapest one-way flights from Philadelphia to San Juan in January from 55€

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 January 2025 (see full year).

One-Way flights

14 Jan Frontier Airlines
20 Jan Frontier Airlines
25 Jan Frontier Airlines
13 Jan Frontier Airlines
23 Jan Frontier Airlines
06 Jan Frontier Airlines
09 Jan Frontier Airlines
30 Jan Frontier Airlines
21 Jan Frontier Airlines
28 Jan Frontier Airlines

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

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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