Cheapest return flights from Philadelphia to San Juan in April from $218

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 April 2025 (see full year).

Return flights

02 Apr - 08 Apr Frontier Airlines direct
08 Apr - 15 Apr Frontier Airlines direct
29 Apr - 05 May Spirit Airlines direct
07 Apr - 30 Apr United
09 Apr - 26 Apr Frontier Airlines direct
03 Apr - 07 Apr Frontier Airlines direct
07 Apr - 30 Apr Spirit Airlines direct
03 Apr - 25 Apr Frontier Airlines direct
01 Apr - 12 Apr Frontier Airlines
23 Apr - 18 May Spirit Airlines direct
16 Apr - 29 Apr Frontier Airlines
07 Apr - 12 Apr Frontier Airlines
21 Apr - 20 May Spirit Airlines
21 Apr - 20 May Frontier Airlines direct
24 Apr - 06 May Frontier Airlines direct
30 Apr - 06 May Frontier Airlines direct
17 Apr - 02 May Frontier Airlines direct
17 Apr - 01 May Spirit Airlines
17 Apr - 01 May Spirit Airlines direct

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

Skyscanner

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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