Cheapest return flights from Charlotte to San Juan in December from $278

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

Return flights

13 Dec - 17 Dec Frontier Airlines
11 Dec - 19 Dec Frontier Airlines
02 Dec - 09 Dec United
22 Dec - 02 Jan Frontier Airlines
11 Dec - 19 Dec American Airlines direct
02 Dec - 09 Dec American Airlines direct
22 Dec - 02 Jan Frontier Airlines direct
23 Dec - 02 Jan Frontier Airlines direct
16 Dec - 20 Dec Southwest Airlines
01 Dec - 09 Dec Southwest Airlines
01 Dec - 09 Dec American Airlines direct
26 Dec - 29 Dec Frontier Airlines direct
13 Dec - 20 Dec American Airlines
27 Dec - 03 Jan Southwest 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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