Cheapest return flights from Pittsburgh to San Juan in December from 186€

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

Return flights

31 Dec - 17 Jan Spirit Airlines
13 Dec - 17 Dec United
15 Dec - 22 Dec Spirit Airlines
15 Dec - 19 Dec Spirit Airlines
15 Dec - 21 Dec Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
08 Dec - 12 Dec Southwest Airlines
25 Dec - 13 Jan Spirit Airlines
24 Dec - 13 Jan Spirit Airlines
30 Dec - 17 Jan Spirit Airlines
18 Dec - 22 Dec Spirit Airlines
18 Dec - 19 Dec Spirit Airlines
18 Dec - 21 Dec Spirit Airlines
24 Dec - 28 Dec Spirit Airlines
10 Dec - 14 Dec United
30 Dec - 13 Jan Spirit Airlines
24 Dec - 01 Jan Spirit Airlines
31 Dec - 01 Jan Spirit Airlines
27 Dec - 17 Jan Spirit Airlines
15 Dec - 01 Jan Spirit Airlines

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

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