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
$ 303
05 Dec
- 05 Dec
Spirit Airlines
$ 323
05 Dec
- 24 Dec
Spirit Airlines
$ 426
29 Dec
- 13 Jan
Spirit Airlines
$ 466
05 Dec
- 08 Dec
American Airlines
$ 487
direct
29 Dec
- 18 Jan
Spirit Airlines
$ 529
18 Dec
- 07 Jan
Frontier Airlines
$ 544
29 Dec
- 07 Jan
Spirit Airlines
$ 549
29 Dec
- 04 Jan
Frontier Airlines
$ 570
direct
20 Dec
- 30 Dec
Frontier Airlines
$ 577
27 Dec
- 30 Dec
Frontier Airlines
$ 577
19 Dec
- 05 Jan
Frontier Airlines
$ 589
direct
18 Dec
- 27 Dec
Frontier Airlines
$ 602
27 Dec
- 13 Jan
Spirit Airlines
$ 605
26 Dec
- 05 Jan
Frontier Airlines
$ 608
direct
24 Dec
- 28 Dec
Frontier Airlines
$ 616
23 Dec
- 02 Jan
Frontier Airlines
$ 619
direct
26 Dec
- 29 Dec
Frontier Airlines
$ 637
direct
23 Dec
- 13 Jan
Spirit Airlines
$ 649
29 Dec
- 30 Dec
Spirit Airlines
$ 651
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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