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
$ 278
11 Dec
- 19 Dec
Frontier Airlines
$ 403
02 Dec
- 09 Dec
United
$ 409
22 Dec
- 02 Jan
Frontier Airlines
$ 463
11 Dec
- 19 Dec
American Airlines
$ 466
direct
02 Dec
- 09 Dec
American Airlines
$ 466
direct
22 Dec
- 02 Jan
Frontier Airlines
$ 474
direct
23 Dec
- 02 Jan
Frontier Airlines
$ 474
direct
16 Dec
- 20 Dec
Southwest Airlines
$ 485
01 Dec
- 09 Dec
Southwest Airlines
$ 515
01 Dec
- 09 Dec
American Airlines
$ 546
direct
26 Dec
- 29 Dec
Frontier Airlines
$ 564
direct
13 Dec
- 20 Dec
American Airlines
$ 575
27 Dec
- 03 Jan
Southwest Airlines
$ 875
Also check the deals for one-way flights from Charlotte to San Juan in December .
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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