Cheapest return flights from Philadelphia to San Juan in April from $110

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

06 Apr - 09 Apr Frontier Airlines direct
01 Apr - 08 Apr Frontier Airlines
24 Apr - 30 Apr Frontier Airlines
24 Apr - 29 Apr Frontier Airlines
26 Apr - 29 Apr Frontier Airlines
24 Apr - 28 Apr Frontier Airlines
29 Apr - 09 May Frontier Airlines
01 Apr - 06 May Frontier Airlines
29 Apr - 01 May Frontier Airlines
28 Apr - 01 May Frontier Airlines
29 Apr - 06 May Frontier Airlines
24 Apr - 03 May Frontier Airlines
29 Apr - 01 May Frontier Airlines direct
28 Apr - 01 May Frontier Airlines direct
01 Apr - 08 Apr Frontier Airlines direct
29 Apr - 09 May Frontier Airlines direct
03 Apr - 10 Apr Frontier Airlines
03 Apr - 08 Apr Frontier Airlines
05 Apr - 08 Apr Frontier Airlines direct
30 Apr - 04 May Frontier Airlines

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