Cheapest return flights from Philadelphia to San Juan in April from $129

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

08 Apr - 12 Apr Frontier Airlines direct
08 Apr - 12 Apr Spirit Airlines
26 Apr - 30 Apr Spirit Airlines
08 Apr - 15 Apr Spirit Airlines
08 Apr - 10 Apr Spirit Airlines
01 Apr - 04 Apr Frontier Airlines direct
07 Apr - 12 Apr Frontier Airlines direct
09 Apr - 12 Apr Spirit Airlines direct
04 Apr - 10 Apr Spirit Airlines direct
02 Apr - 09 Apr Frontier Airlines direct
29 Apr - 09 May Spirit Airlines
26 Apr - 04 May Spirit Airlines
26 Apr - 03 May Spirit Airlines
07 Apr - 09 May Frontier Airlines direct
25 Apr - 05 May Spirit Airlines direct
25 Apr - 04 May Spirit Airlines direct
24 Apr - 03 May Spirit Airlines direct
23 Apr - 02 May Spirit Airlines direct
24 Apr - 02 May Spirit Airlines direct
29 Apr - 09 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan