Cheapest return flights from Philadelphia to San Juan in March from $115

Best time to book flights for Philadelphia (PHL) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU) in March 2025 (see full year).

Return flights

01 Mar - 03 Mar Frontier Airlines
01 Mar - 04 Mar Frontier Airlines
01 Mar - 06 Mar Frontier Airlines
03 Mar - 06 Mar Frontier Airlines
01 Mar - 02 Mar Frontier Airlines
01 Mar - 07 Mar Frontier Airlines
03 Mar - 11 Mar Frontier Airlines
04 Mar - 11 Mar Frontier Airlines
02 Mar - 07 Mar Frontier Airlines
05 Mar - 11 Mar Frontier Airlines
26 Mar - 30 Apr Frontier Airlines direct
26 Mar - 02 Apr Frontier Airlines direct
28 Mar - 03 Apr Frontier Airlines direct
31 Mar - 03 Apr Frontier Airlines direct
23 Mar - 01 Apr Frontier Airlines direct
30 Mar - 11 Apr Frontier Airlines direct
29 Mar - 02 Apr Frontier Airlines direct
31 Mar - 06 Apr Frontier Airlines direct
30 Mar - 05 Apr Frontier Airlines direct
29 Mar - 06 Apr Frontier Airlines direct

Also check the deals for one-way 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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