Cheapest return flights from Atlanta to San Juan in September from $180

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

Return flights

27 Sep - 02 Oct Spirit Airlines
15 Sep - 25 Sep Spirit Airlines
15 Sep - 18 Sep Spirit Airlines
21 Sep - 25 Sep Spirit Airlines
22 Sep - 25 Sep Spirit Airlines
15 Sep - 02 Oct Spirit Airlines
21 Sep - 02 Oct Spirit Airlines
22 Sep - 02 Oct Spirit Airlines
25 Sep - 02 Oct Spirit Airlines
28 Sep - 02 Oct Spirit Airlines
13 Sep - 25 Sep Spirit Airlines
13 Sep - 18 Sep Spirit Airlines
13 Sep - 02 Oct Spirit Airlines
18 Sep - 25 Sep Spirit Airlines
15 Sep - 26 Sep Spirit Airlines
22 Sep - 26 Sep Spirit Airlines
25 Sep - 26 Sep Spirit Airlines
20 Sep - 02 Oct Spirit Airlines
18 Sep - 02 Oct Spirit Airlines
26 Sep - 02 Oct Spirit Airlines

Also check the deals for one-way flights from Atlanta 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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