Cheapest one-way flights from Philadelphia to San Juan in January from $132

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to San Juan (SJU) in January 2026 (see full year).

One-Way flights

11 Jan jetBlue
04 Jan Spirit Airlines direct
30 Jan Spirit Airlines direct
05 Jan Spirit Airlines direct
06 Jan Spirit Airlines direct
08 Jan Spirit Airlines direct
17 Jan Spirit Airlines direct
18 Jan Spirit Airlines direct
19 Jan Spirit Airlines direct
22 Jan Spirit Airlines direct

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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