Cheapest return flights from Philadelphia to San Juan in April from $152

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

Return flights

28 Apr - 06 May Spirit Airlines direct
07 Apr - 15 Apr Frontier Airlines direct
05 Apr - 09 Apr Frontier Airlines
14 Apr - 15 Apr Spirit Airlines
07 Apr - 08 Apr Spirit Airlines
08 Apr - 15 Apr Spirit Airlines
07 Apr - 14 Apr Frontier Airlines
30 Apr - 09 May jetBlue
01 Apr - 08 Apr Spirit Airlines direct
01 Apr - 15 Apr Spirit Airlines direct
10 Apr - 15 Apr Spirit Airlines direct
11 Apr - 15 Apr Spirit Airlines direct
17 Apr - 06 May Spirit Airlines direct
30 Apr - 20 May Spirit Airlines direct
30 Apr - 06 May Spirit Airlines direct
23 Apr - 06 May Spirit Airlines direct
28 Apr - 09 May Spirit Airlines direct
28 Apr - 18 May Spirit Airlines direct
28 Apr - 11 May Spirit Airlines direct
28 Apr - 08 May Spirit Airlines direct

Also check the deals for one-way flights from Philadelphia to San Juan in April.

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