Cheapest return flights from Pittsburgh to San Juan in December from $225

AirHint found the following cheapest return flights from Pittsburgh (PIT) to San Juan (SJU) in December 2025 (see full year).

Return flights

08 Dec - 12 Dec American Airlines
11 Dec - 17 Dec Southwest Airlines
06 Dec - 15 Dec American Airlines
08 Dec - 15 Dec Spirit Airlines
01 Dec - 15 Dec Spirit Airlines
06 Dec - 12 Dec Spirit Airlines
01 Dec - 12 Dec Spirit Airlines
08 Dec - 14 Dec Spirit Airlines
06 Dec - 14 Dec Spirit Airlines
01 Dec - 14 Dec Spirit Airlines
23 Dec - 20 Jan Breeze Airways
16 Dec - 20 Jan Breeze Airways
28 Dec - 12 Jan Spirit Airlines
27 Dec - 04 Jan Southern Airways Express
27 Dec - 12 Jan Spirit Airlines
26 Dec - 12 Jan Spirit Airlines
12 Dec - 02 Jan Spirit Airlines
28 Dec - 02 Jan Southern Airways Express
26 Dec - 03 Jan Southern Airways Express
28 Dec - 04 Jan Spirit Airlines

Also check the deals for one-way flights from Pittsburgh to San Juan in December.

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