Cheapest return flights from Atlanta to San Juan in September from 150€

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

Return flights

08 Sep - 12 Sep Frontier Airlines direct
01 Sep - 04 Sep Frontier Airlines direct
18 Sep - 25 Sep Spirit Airlines
06 Sep - 14 Sep Spirit Airlines
01 Sep - 12 Sep Spirit Airlines
01 Sep - 21 Sep Spirit Airlines
12 Sep - 21 Sep Spirit Airlines
18 Sep - 28 Sep Spirit Airlines
18 Sep - 29 Sep Spirit Airlines
18 Sep - 21 Sep Spirit Airlines
27 Sep - 05 Oct Frontier Airlines direct
18 Sep - 05 Oct Spirit Airlines
18 Sep - 03 Oct Spirit Airlines
17 Sep - 05 Oct Spirit Airlines
17 Sep - 03 Oct Spirit Airlines
25 Sep - 14 Oct Spirit Airlines
25 Sep - 05 Oct Spirit Airlines
25 Sep - 03 Oct Spirit Airlines
21 Sep - 05 Oct Spirit Airlines
21 Sep - 03 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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