Cheapest return flights from Charlotte to San Juan in December from 172€

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

Return flights

08 Dec - 11 Dec Spirit Airlines
07 Dec - 12 Dec Frontier Airlines
05 Dec - 13 Dec Spirit Airlines
13 Dec - 17 Dec Spirit Airlines
08 Dec - 13 Dec Spirit Airlines
05 Dec - 06 Dec Spirit Airlines
05 Dec - 08 Dec Spirit Airlines
05 Dec - 14 Dec Spirit Airlines
12 Dec - 14 Dec Spirit Airlines
10 Dec - 14 Dec Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
31 Dec - 07 Jan Spirit Airlines
29 Dec - 12 Jan Frontier Airlines
30 Dec - 13 Jan Spirit Airlines
24 Dec - 13 Jan Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
19 Dec - 09 Jan Spirit Airlines
30 Dec - 12 Jan Spirit Airlines
28 Dec - 13 Jan Spirit Airlines
27 Dec - 13 Jan Spirit Airlines

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

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