Cheapest return flights from Nashville to San Juan in September from $243

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

Return flights

26 Sep - 03 Oct Spirit Airlines
27 Sep - 05 Oct Spirit Airlines
26 Sep - 28 Sep Spirit Airlines
27 Sep - 30 Sep Spirit Airlines
27 Sep - 03 Oct Spirit Airlines
26 Sep - 29 Sep Frontier Airlines
26 Sep - 05 Oct Spirit Airlines
27 Sep - 29 Sep Spirit Airlines
27 Sep - 13 Oct Spirit Airlines
29 Sep - 05 Oct Spirit Airlines
27 Sep - 18 Oct Spirit Airlines
26 Sep - 13 Oct Spirit Airlines
29 Sep - 30 Sep Spirit Airlines
23 Sep - 05 Oct Spirit Airlines
29 Sep - 03 Oct Spirit Airlines
23 Sep - 30 Sep Spirit Airlines
23 Sep - 28 Sep Spirit Airlines
22 Sep - 30 Sep Spirit Airlines
22 Sep - 28 Sep Spirit Airlines
23 Sep - 29 Sep Spirit Airlines

Also check the deals for one-way flights from Nashville 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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