Cheapest return flights from Atlanta to San Juan in September from $381

Best time to book flights for Atlanta (ATL) to San Juan (SJU) flights at AirHint

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

Return flights

18 Sep - 22 Sep jetBlue
15 Sep - 19 Sep jetBlue
24 Sep - 28 Sep jetBlue
25 Sep - 28 Sep jetBlue
02 Sep - 05 Sep jetBlue
07 Sep - 14 Sep jetBlue
30 Sep - 05 Oct jetBlue
05 Sep - 07 Sep Southwest Airlines
04 Sep - 08 Sep jetBlue
05 Sep - 08 Sep jetBlue
11 Sep - 15 Sep jetBlue
30 Sep - 05 Oct Delta direct

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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