Cheapest return flights from Charlotte to San Juan in December from $303

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

Return flights

05 Dec - 08 Dec Spirit Airlines
05 Dec - 05 Dec Spirit Airlines
05 Dec - 24 Dec Spirit Airlines
29 Dec - 13 Jan Spirit Airlines
05 Dec - 08 Dec American Airlines direct
29 Dec - 18 Jan Spirit Airlines
18 Dec - 07 Jan Frontier Airlines
29 Dec - 07 Jan Spirit Airlines
29 Dec - 04 Jan Frontier Airlines direct
20 Dec - 30 Dec Frontier Airlines
27 Dec - 30 Dec Frontier Airlines
19 Dec - 05 Jan Frontier Airlines direct
18 Dec - 27 Dec Frontier Airlines
27 Dec - 13 Jan Spirit Airlines
26 Dec - 05 Jan Frontier Airlines direct
24 Dec - 28 Dec Frontier Airlines
23 Dec - 02 Jan Frontier Airlines direct
26 Dec - 29 Dec Frontier Airlines direct
23 Dec - 13 Jan Spirit Airlines
29 Dec - 30 Dec Spirit Airlines

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

Skyscanner

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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