Cheapest one-way flights from Philadelphia to San Juan in March from 49€

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

One-Way flights

02 Mar Frontier Airlines direct
16 Mar Spirit Airlines direct
30 Mar Spirit Airlines direct
07 Mar Spirit Airlines direct
20 Mar Spirit Airlines direct
04 Mar Spirit Airlines direct
12 Mar Frontier Airlines direct
21 Mar Frontier Airlines direct
15 Mar Frontier Airlines direct
09 Mar Frontier Airlines direct

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

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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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