Cheapest return flights from Philadelphia to San Juan in January from 236€

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

Return flights

31 Jan - 07 Feb Spirit Airlines direct
06 Jan - 24 Jan Spirit Airlines direct
17 Jan - 24 Jan Spirit Airlines direct
17 Jan - 30 Jan Spirit Airlines direct
17 Jan - 28 Jan Spirit Airlines direct
26 Jan - 30 Jan Spirit Airlines direct
26 Jan - 28 Jan Spirit Airlines direct
23 Jan - 24 Jan Spirit Airlines direct
23 Jan - 30 Jan Spirit Airlines direct
04 Jan - 24 Jan Spirit Airlines direct
07 Jan - 24 Jan Spirit Airlines direct
26 Jan - 07 Feb Spirit Airlines direct
26 Jan - 14 Feb Spirit Airlines direct
23 Jan - 07 Feb Spirit Airlines direct
31 Jan - 14 Feb Spirit Airlines direct
17 Jan - 07 Feb Spirit Airlines
26 Jan - 09 Feb Spirit Airlines
23 Jan - 09 Feb Spirit Airlines
31 Jan - 16 Feb Spirit Airlines
31 Jan - 09 Feb Spirit Airlines

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

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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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