Cheapest one-way flights from Philadelphia to San Juan in March from 109€

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

One-Way flights

01 Mar Frontier Airlines direct
02 Mar Frontier Airlines direct
03 Mar Frontier Airlines direct
04 Mar Frontier Airlines direct
05 Mar Frontier Airlines direct
14 Mar Frontier Airlines direct
27 Mar Frontier Airlines direct
28 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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