Cheapest return flights from Charlotte to San Juan in September from 171€

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

Return flights

27 Sep - 03 Oct Spirit Airlines
26 Sep - 03 Oct Spirit Airlines
27 Sep - 02 Oct Spirit Airlines
27 Sep - 05 Oct Spirit Airlines
26 Sep - 02 Oct Spirit Airlines
27 Sep - 12 Oct Spirit Airlines
26 Sep - 05 Oct Spirit Airlines
26 Sep - 12 Oct Spirit Airlines
26 Sep - 29 Sep Spirit Airlines
28 Sep - 03 Oct Spirit Airlines
26 Sep - 28 Sep Frontier Airlines
27 Sep - 29 Sep Spirit Airlines
22 Sep - 03 Oct Spirit Airlines
22 Sep - 27 Sep Spirit Airlines
27 Sep - 28 Sep Spirit Airlines
22 Sep - 29 Sep Spirit Airlines
23 Sep - 30 Sep Frontier Airlines
21 Sep - 28 Sep Frontier Airlines
28 Sep - 29 Sep Spirit Airlines
22 Sep - 26 Sep 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.

Book a cheap hotel in San Juan

Cheap car rent in San Juan

Feel free to contact us with any feedback or request another flight research.