Cheapest return flights from Philadelphia to San Juan in May from 139€

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

Return flights

16 May - 19 May Spirit Airlines direct
02 May - 06 May Spirit Airlines direct
12 May - 15 May Spirit Airlines direct
05 May - 12 May Spirit Airlines direct
17 May - 19 May Spirit Airlines direct
17 May - 20 May Spirit Airlines direct
19 May - 20 May Spirit Airlines direct
03 May - 07 May Spirit Airlines direct
03 May - 08 May Spirit Airlines direct
03 May - 14 May Spirit Airlines direct
17 May - 03 Jun Spirit Airlines direct
26 May - 10 Jun Spirit Airlines direct
26 May - 03 Jun Spirit Airlines direct
19 May - 03 Jun Spirit Airlines direct
27 May - 10 Jun Spirit Airlines direct
27 May - 03 Jun Spirit Airlines direct
13 May - 03 Jun Spirit Airlines direct
16 May - 03 Jun Spirit Airlines direct
20 May - 10 Jun Spirit Airlines direct
20 May - 03 Jun Spirit Airlines direct

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

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