Cheapest one-way flights from Philadelphia to San Juan in March 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 March 2025 (see full year).

One-Way flights

01 Mar Frontier Airlines
03 Mar Frontier Airlines
05 Mar Frontier Airlines
06 Mar Frontier Airlines
02 Mar Frontier Airlines
02 Mar Frontier Airlines direct
26 Mar Frontier Airlines direct
01 Mar Frontier Airlines direct
05 Mar Frontier Airlines direct
12 Mar Frontier Airlines direct

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

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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