Cheapest return flights from Charlotte to San Juan in October from $175

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

Return flights

28 Oct - 31 Oct Frontier Airlines
31 Oct - 04 Nov Frontier Airlines
29 Oct - 01 Nov Frontier Airlines
31 Oct - 03 Nov Spirit Airlines
23 Oct - 28 Oct Spirit Airlines
30 Oct - 01 Nov Spirit Airlines
25 Oct - 27 Oct Spirit Airlines
27 Oct - 28 Oct Spirit Airlines
21 Oct - 28 Oct Frontier Airlines
23 Oct - 30 Oct Spirit Airlines
31 Oct - 02 Nov Frontier Airlines
23 Oct - 27 Oct Spirit Airlines
26 Oct - 30 Oct Spirit Airlines
20 Oct - 30 Oct Spirit Airlines
31 Oct - 04 Nov American Airlines direct
31 Oct - 02 Nov American Airlines direct
31 Oct - 03 Nov American Airlines direct
27 Oct - 05 Nov American Airlines direct
23 Oct - 28 Oct American Airlines direct

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

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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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