Cheapest return flights from Philadelphia to San Juan in March from 258€

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

Return flights

01 Mar - 01 Mar Spirit Airlines direct
01 Mar - 02 Mar Spirit Airlines
18 Mar - 25 Mar Frontier Airlines direct
30 Mar - 02 Apr Frontier Airlines direct
11 Mar - 16 Mar Frontier Airlines direct
12 Mar - 16 Mar Frontier Airlines direct
06 Mar - 15 Mar Frontier Airlines direct
13 Mar - 17 Mar Frontier Airlines direct
13 Mar - 18 Mar Frontier Airlines direct
31 Mar - 04 Apr Frontier Airlines direct
26 Mar - 29 Mar Frontier Airlines direct
21 Mar - 29 Mar Frontier Airlines direct
30 Mar - 06 Apr Frontier Airlines direct
27 Mar - 04 Apr Frontier Airlines direct
26 Mar - 06 Apr Frontier Airlines direct
28 Mar - 05 Apr Frontier Airlines direct
27 Mar - 05 Apr Frontier Airlines direct
27 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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