Cheapest one-way flights from Atlanta to San Juan in September from 69€

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

One-Way flights

01 Sep Spirit Airlines direct
13 Sep Spirit Airlines
20 Sep Spirit Airlines
11 Sep Spirit Airlines
18 Sep Spirit Airlines
21 Sep Spirit Airlines
14 Sep Spirit Airlines
12 Sep Spirit Airlines
28 Sep Spirit Airlines
17 Sep Spirit Airlines

Also check the deals for return 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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