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

Return flights

29 Sep - 03 Oct	Southwest Airlines
21 Sep - 24 Sep	jetBlue
18 Sep - 22 Sep	Southwest Airlines
16 Sep - 21 Sep	Southwest Airlines
13 Sep - 17 Sep	American Airlines
10 Sep - 17 Sep	American Airlines
12 Sep - 15 Sep	jetBlue
13 Sep - 15 Sep	jetBlue

Also check the deals for one-way flights from Albany 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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Cheapest return flights from Albany to San Juan in September from $235

Return flights