Cheapest return flights from Philadelphia to San Juan in January from 121€

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

Return flights

19 Jan - 04 Feb Spirit Airlines direct
19 Jan - 07 Feb Spirit Airlines direct
25 Jan - 04 Feb Spirit Airlines direct
24 Jan - 04 Feb Spirit Airlines direct
25 Jan - 10 Feb Spirit Airlines direct
24 Jan - 10 Feb Spirit Airlines direct
19 Jan - 30 Jan Spirit Airlines
25 Jan - 07 Feb Spirit Airlines direct
24 Jan - 07 Feb Spirit Airlines direct
31 Jan - 04 Feb Frontier Airlines
19 Jan - 30 Jan Spirit Airlines direct
27 Jan - 10 Feb Spirit Airlines
25 Jan - 30 Jan Spirit Airlines
24 Jan - 30 Jan Spirit Airlines
19 Jan - 23 Jan Spirit Airlines direct
25 Jan - 30 Jan Spirit Airlines direct
24 Jan - 30 Jan Spirit Airlines direct
24 Jan - 28 Jan Spirit Airlines direct
26 Jan - 30 Jan Spirit Airlines
27 Jan - 30 Jan Spirit Airlines

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

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