Cheapest return flights from Charlotte to San Juan in December from 365€

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

Return flights

02 Dec - 22 Dec Spirit Airlines
31 Dec - 13 Jan Spirit Airlines
31 Dec - 09 Jan Delta
31 Dec - 10 Jan Spirit Airlines
31 Dec - 19 Jan Spirit Airlines
29 Dec - 12 Jan Frontier Airlines
28 Dec - 09 Jan Delta
29 Dec - 01 Jan Frontier Airlines
01 Dec - 22 Dec Spirit Airlines
31 Dec - 12 Jan Spirit Airlines
29 Dec - 13 Jan Spirit Airlines
31 Dec - 04 Jan Spirit Airlines
28 Dec - 31 Dec Frontier Airlines
26 Dec - 26 Dec Frontier Airlines
21 Dec - 26 Dec Spirit Airlines
29 Dec - 31 Dec Spirit Airlines
20 Dec - 22 Dec Spirit Airlines
21 Dec - 22 Dec Spirit Airlines
21 Dec - 31 Dec Spirit Airlines
22 Dec - 31 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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