Cheapest return flights from Atlanta to San Juan in September from 132€
AirHint found the following cheapest return flights from Atlanta (ATL) to San Juan (SJU)
in September 2025 (see full year ).
Return flights
15 Sep
- 20 Sep
Frontier Airlines
132 €
direct
26 Sep
- 29 Sep
Frontier Airlines
146 €
direct
06 Sep
- 18 Sep
Spirit Airlines
153 €
06 Sep
- 11 Sep
Spirit Airlines
153 €
01 Sep
- 18 Sep
Spirit Airlines
162 €
01 Sep
- 11 Sep
Spirit Airlines
162 €
01 Sep
- 04 Sep
Spirit Airlines
162 €
07 Sep
- 18 Sep
Spirit Airlines
162 €
21 Sep
- 05 Oct
Spirit Airlines
162 €
25 Sep
- 05 Oct
Spirit Airlines
162 €
28 Sep
- 05 Oct
Spirit Airlines
162 €
09 Sep
- 11 Sep
Frontier Airlines
164 €
25 Sep
- 29 Sep
Spirit Airlines
170 €
19 Sep
- 05 Oct
Spirit Airlines
189 €
24 Sep
- 05 Oct
Spirit Airlines
189 €
26 Sep
- 05 Oct
Spirit Airlines
189 €
17 Sep
- 05 Oct
Spirit Airlines
189 €
29 Sep
- 05 Oct
Spirit Airlines
189 €
15 Sep
- 05 Oct
Spirit Airlines
189 €
25 Sep
- 12 Oct
Spirit Airlines
193 €
Also check the deals for one-way flights from Atlanta to San Juan in September .
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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