Cheapest return flights from Charlotte to San Juan in September from $250

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

Return flights

26 Sep - 29 Sep Spirit Airlines
25 Sep - 29 Sep Spirit Airlines
20 Sep - 29 Sep Spirit Airlines
19 Sep - 25 Sep Spirit Airlines
20 Sep - 25 Sep Spirit Airlines
20 Sep - 05 Oct Spirit Airlines
20 Sep - 09 Oct Spirit Airlines
25 Sep - 04 Oct Spirit Airlines
19 Sep - 22 Sep Frontier Airlines
16 Sep - 18 Sep Spirit Airlines
16 Sep - 29 Sep Spirit Airlines
19 Sep - 29 Sep Spirit Airlines
16 Sep - 25 Sep Spirit Airlines
16 Sep - 05 Oct Spirit Airlines
19 Sep - 05 Oct Spirit Airlines
19 Sep - 09 Oct Spirit Airlines
26 Sep - 05 Oct Spirit Airlines
26 Sep - 09 Oct Spirit Airlines
29 Sep - 05 Oct Spirit Airlines
29 Sep - 09 Oct Spirit Airlines

Also check the deals for one-way flights from Charlotte to San Juan in September.

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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