Cheapest one-way flights from Charlotte to San Juan in December from $161

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

One-Way flights

05 Dec Spirit Airlines
14 Dec Spirit Airlines
29 Dec Frontier Airlines direct
30 Dec Frontier Airlines direct
28 Dec Frontier Airlines direct
11 Dec Spirit Airlines
23 Dec Frontier Airlines direct
17 Dec Spirit Airlines
12 Dec Spirit Airlines
22 Dec Spirit Airlines

Also check the deals for return 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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