Cheapest return flights from Philadelphia to San Juan in October from 122€

AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU) in October 2025 (see full year).

Return flights

27 Oct - 29 Oct Frontier Airlines direct
24 Oct - 29 Oct Frontier Airlines direct
14 Oct - 28 Oct Frontier Airlines direct
10 Oct - 17 Oct Frontier Airlines direct
30 Oct - 04 Nov Frontier Airlines direct
21 Oct - 31 Oct Frontier Airlines direct
15 Oct - 18 Oct Frontier Airlines direct
17 Oct - 25 Oct Frontier Airlines direct
14 Oct - 16 Oct Frontier Airlines direct
15 Oct - 19 Oct Frontier Airlines direct
11 Oct - 12 Oct Frontier Airlines direct
31 Oct - 02 Nov Frontier Airlines direct
29 Oct - 03 Nov Frontier Airlines direct
19 Oct - 06 Nov Spirit Airlines direct
19 Oct - 02 Nov Spirit Airlines direct
26 Oct - 06 Nov Spirit Airlines direct
26 Oct - 02 Nov Spirit Airlines direct
23 Oct - 06 Nov Spirit Airlines direct
23 Oct - 02 Nov Spirit Airlines direct
14 Oct - 02 Nov Spirit Airlines

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

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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